7Baggers

Lumentum Holdings Inc
(NASDAQ:LITE) 

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Lumentum Holdings Inc. manufactures and sells optical and photonic products in the Americas, the Asia-Pacific, Europe, the Middle East, and Africa. The company operates in two segments, Optical Communications (OpComms) and Commercial Lasers (Lasers). The OpComms segment offers components, modules, a...

Founded: 2015
Full Time Employees: 5,473
CEO: Michael E. Hurlston  
Sector: Technology
Industry: Communication Equipment
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At a glance:
  • Telecom & Datacom Demand Cycles Drive Near-Term Volatility: Results are highly sensitive to spending cycles at cloud, telecom, and networking customers, which can cause quarter-to-quarter revenue and margin swings.
  • 3D Sensing Exposure Adds Concentration Risk (But Upside in New Device Cycles): Revenue tied to consumer device sensing programs can be lumpy and customer-concentrated, yet new product cycles can provide meaningful upside when adoption ramps.
  • Mix and Utilization Are Key Levers for Gross Margin: Profitability depends on product mix (higher-value photonics components vs. more commoditized lines) and factory utilization, making margins sensitive to volume changes.
  • Strategic Focus on Advanced Photonics for AI/Cloud Interconnects: Investments in lasers and photonic components for higher-speed optical links position the company to benefit from long-term bandwidth growth tied to AI and cloud infrastructure.
  • Execution Risk Around Inventory, Lead Times, and Customer Qualification: Operational performance hinges on managing inventory and supply chain while meeting stringent qualification requirements; delays or write-downs can pressure cash flow and earnings.
Bull Thesis:
  • Leadership in High-Growth Coherent Optical Solutions: Lumentum's strategic acquisition of NeoPhotonics has significantly strengthened its position in high-speed coherent optical components (e.g., 400G, 800G, 1.2T). As global data traffic continues to surge and networks upgrade to higher speeds, Lumentum is well-positioned to capitalize on the long-term demand for these advanced solutions in telecom and data center interconnects, with the current inventory correction viewed as a temporary headwind.
  • Potential Rebound in Consumer 3D Sensing Demand: While the consumer 3D sensing market (VCSELs for facial recognition, LiDAR) has experienced volatility, Lumentum remains a key supplier to major smartphone manufacturers. Future iterations of smartphones, the emergence of AR/VR devices, and potential expansion into automotive applications could drive renewed demand for their advanced VCSEL technology, providing a significant revenue uplift when new product cycles or broader adoption occurs.
  • Diversified Portfolio Addressing Multiple Long-Term Growth Drivers: Lumentum's business spans optical communications (telecom, datacom), commercial lasers (industrial, medical), and consumer 3D sensing. This diversification, coupled with its strong R&D capabilities, positions the company to benefit from multiple secular trends including 5G buildouts, AI-driven data center expansion, advanced manufacturing, and next-generation consumer electronics, mitigating over-reliance on any single market segment over the long term.
  • Operational Efficiencies and Margin Expansion Potential: Following the integration of NeoPhotonics and ongoing efforts to streamline operations, Lumentum has opportunities to improve its cost structure and expand gross and operating margins. As market conditions normalize and volumes recover, the company's focus on efficiency, higher-value products, and synergy realization should translate into improved profitability and free cash flow generation.
Bear Thesis:
  • Extended Downturn in Optical Communications Market: The current inventory correction and reduced capital expenditure by telecom carriers and data center operators could be more prolonged than anticipated. This sustained weakness in Lumentum's core optical communications segment, particularly in certain transceiver and module markets, could continue to pressure revenues and profitability for several quarters, delaying a meaningful recovery.
  • High Customer Concentration and Volatility in Consumer Segment: Lumentum has significant revenue concentration with a single major customer (Apple) in its consumer 3D sensing business. This makes the company highly susceptible to product cycle changes, design wins, and pricing pressures from this customer, leading to unpredictable revenue streams and potential margin erosion in a key segment.
  • Intense Competition and Persistent Pricing Pressure: The optical components market is highly competitive, with numerous domestic and international players. This intense competition often leads to pricing pressure, particularly in more commoditized segments. Lumentum's ability to maintain or expand margins could be challenged by competitors aggressively vying for market share, especially during periods of slower demand.
  • Macroeconomic Headwinds and Geopolitical Risks: Global macroeconomic uncertainties, including inflation, interest rate hikes, and potential recessions, could further dampen enterprise and carrier spending on network infrastructure. Additionally, geopolitical tensions (e.g., US-China trade relations) could impact supply chains, restrict market access, or increase operational costs, posing significant risks to Lumentum's international business.
Main Competitors:
  • Coherent Corp. ($COHR) (Optical components, lasers, VCSELs), A broad-based competitor across Lumentum's key segments, including optical communications (transceivers, ROADMs, components), commercial lasers (fiber, ultrafast, diode), and 3D sensing (VCSELs). Coherent (formerly II-VI) has grown significantly through acquisitions like Finisar, making it a direct rival in many product categories by offering similar or alternative photonic solutions.
  • Broadcom Inc. ($AVGO) (Optical transceivers, ASICs, networking components), Competes strongly in the optical communications segment, particularly in high-speed optical transceivers and components for data centers, enterprise networks, and telecom infrastructure. Broadcom leverages its extensive semiconductor and networking expertise to offer integrated solutions that often compete directly with Lumentum's optical modules and subsystems.
  • IPG Photonics Corporation ($IPGP) (High-power fiber lasers and amplifiers), A leading competitor in the commercial lasers market, specializing in high-power fiber lasers used for materials processing (cutting, welding, marking), medical, and scientific applications. IPG's vertically integrated model and proprietary technology provide a strong competitive position against Lumentum's industrial laser offerings, particularly in high-power applications.
  • ams OSRAM AG ($AMSOY) (VCSELs, optical sensors, LEDs), Directly competes with Lumentum in the 3D sensing and consumer electronics market, primarily through its advanced VCSEL (Vertical Cavity Surface Emitting Laser) arrays and optical sensor solutions used in facial recognition, augmented reality, and other consumer applications. They also compete in emerging automotive LiDAR applications.
Moat:
Lumentum operates in highly competitive and technologically intensive markets. Its moat is primarily built on deep intellectual property, advanced manufacturing capabilities (including vertical integration for certain products like VCSELs), and long-standing relationships with tier-1 customers in telecom, datacom, and consumer electronics. The company's ability to innovate rapidly and deliver high-performance, cost-effective photonic solutions is crucial for maintaining its competitive edge. Competition comes from diversified giants, specialized laser manufacturers, and optical component providers, all vying for market share through significant R&D investment, strategic acquisitions, and aggressive pricing. The industry is characterized by rapid technological cycles and substantial capital expenditure requirements, creating high barriers to entry for new players but also fostering intense rivalry among established ones.
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-28 2025-12-27 2025-09-27 2025-06-28 2025-03-29 2024-12-28 2024-09-28 2024-06-29 2024-03-30 2023-12-30 2023-09-30 2023-07-01 2023-04-01 2022-12-31 2022-10-01 2022-07-02 2022-04-02 2022-01-01 2021-10-02 2021-07-03 2021-04-03 2020-12-26 2020-09-26 2020-06-27 2020-03-28 2019-12-28 2019-09-28 2019-06-29 2019-03-30 2018-12-29 2018-09-29 2018-06-30 2018-03-31 2017-12-30 2017-09-30 2017-07-01 2017-04-01 2016-12-31 2016-10-01 2016-07-02 2016-04-02 2015-12-26 2015-09-26 2015-06-27 
                                                
      net revenue
    		808,400,000 665,500,000 533,800,000 480,700,000 425,200,000 402,200,000 336,900,000 308,300,000 366,500,000 366,800,000 317,600,000 370,800,000 383,400,000 506,000,000 506,800,000 422,100,000 395,400,000 446,700,000 448,400,000 392,100,000 419,500,000 478,800,000 452,400,000 368,100,000 402,800,000 457,800,000 449,900,000 404,600,000 432,900,000 373,700,000 354,100,000 301,100,000 298,800,000 404,600,000 243,200,000 -778,898,998.4 255,800,000 265,000,000 258,100,000 -661,299,097 230,400,000 218,300,000 212,600,000  
      yoy
    		90.12% 65.46% 58.44% 55.92% 16.02% 9.65% 6.08% -16.86% -4.41% -27.51% -37.33% -12.15% -3.03% 13.28% 13.02% 7.65% -5.74% -6.70% -0.88% 6.52% 4.15% 4.59% 0.56% -9.02% -6.95% 22.50% 27.05% 34.37% 44.88% -7.64% 45.60% -138.66% 16.81% 52.68% -5.77% 17.78% 11.02% 21.39% 21.40%      
      qoq
    		21.47% 24.67% 11.05% 13.05% 5.72% 19.38% 9.28% -15.88% -0.08% 15.49% -14.35% -3.29% -24.23% -0.16% 20.07% 6.75% -11.48% -0.38% 14.36% -6.53% -12.39% 5.84% 22.90% -8.61% -12.01% 1.76% 11.20% -6.54% 15.84% 5.54% 17.60% 0.77% -26.15% 66.37% -131.22% -404.50% -3.47% 2.67% -139.03% -387.02% 5.54% 2.68%   
      cost of sales
    		432,100,000 405,800,000 332,800,000 301,500,000 283,700,000 281,200,000 236,500,000 234,900,000 284,700,000 281,300,000 222,900,000 263,200,000 252,700,000 315,100,000 282,600,000 224,800,000 212,600,000 223,300,000 200,400,000 213,400,000 218,700,000 234,200,000 231,700,000 217,400,000 231,200,000 256,300,000 269,700,000 304,600,000 316,500,000 244,500,000 227,300,000 204,800,000 201,000,000 232,700,000 173,900,000 130,750,000 172,000,000 176,300,000 174,700,000 114,600,000 165,900,000 148,500,000 144,000,000  
      amortization of acquired developed intangibles
    		19,300,000 19,600,000 19,500,000 19,300,000 19,000,000 21,400,000 22,500,000 22,100,000 22,300,000 21,500,000 18,000,000 18,000,000 18,700,000 24,700,000 23,000,000 15,600,000 15,600,000 15,900,000 15,800,000 15,900,000 15,800,000 15,000,000 15,000,000 15,000,000 13,900,000 12,400,000 12,500,000                  
      gross profit
    		357,000,000 240,100,000 181,500,000 159,900,000 122,500,000 99,600,000 77,900,000 51,300,000 59,500,000 64,000,000 76,700,000 89,600,000 112,000,000 166,200,000 201,200,000 181,700,000 167,200,000 207,500,000 232,200,000 162,800,000 185,000,000 229,600,000 205,700,000 135,700,000 157,700,000 189,100,000 167,700,000 86,800,000 88,300,000 124,800,000 126,000,000 95,500,000 97,000,000 171,100,000 68,500,000 -250,799,681.9 82,100,000 87,000,000 81,700,000 -197,799,722.7 62,800,000 68,100,000 66,900,000  
      yoy
    		191.43% 141.06% 132.99% 211.70% 105.88% 55.62% 1.56% -42.75% -46.88% -61.49% -61.88% -50.69% -33.01% -19.90% -13.35% 11.61% -9.62% -9.63% 12.88% 19.97% 17.31% 21.42% 22.66% 56.34% 78.60% 51.52% 33.10% -9.11% -8.97% -27.06% 83.94% -138.08% 18.15% 96.67% -16.16% 26.79% 30.73% 27.75% 22.12%      
      qoq
    		48.69% 32.29% 13.51% 30.53% 22.99% 27.86% 51.85% -13.78% -7.03% -16.56% -14.40% -20.00% -32.61% -17.40% 10.73% 8.67% -19.42% -10.64% 42.63% -12.00% -19.43% 11.62% 51.58% -13.95% -16.60% 12.76% 93.20% -1.70% -29.25% -0.95% 31.94% -1.55% -43.31% 149.78% -127.31% -405.48% -5.63% 6.49% -141.30% -414.97% -7.78% 1.79%   
      gross margin %
    		44.16% 36.08% 34.00% 33.26% 28.81% 24.76% 23.12% 16.64% 16.23% 17.45% 24.15% 24.16% 29.21% 32.85% 39.70% 43.05% 42.29% 46.45% 51.78% 41.52% 44.10% 47.95% 45.47% 36.86% 39.15% 41.31% 37.27% 21.45% 20.40% 33.40% 35.58% 31.72% 32.46% 42.29% 28.17% 32.20% 32.10% 32.83% 31.65% 29.91% 27.26% 31.20% 31.47%  
      operating expenses:
    		                                            
      research and development
    		90,600,000 80,100,000 81,400,000 79,500,000 75,900,000 74,200,000 74,300,000 73,200,000 77,200,000 78,300,000 73,500,000 73,900,000 85,400,000 75,800,000 72,700,000 56,700,000 56,700,000 53,200,000 54,100,000 54,100,000 57,200,000 52,800,000 50,400,000 49,000,000 48,700,000 51,000,000 49,900,000 49,500,000 57,700,000 42,800,000 34,600,000 38,500,000 38,200,000 43,800,000 36,300,000 28,225,000 37,300,000 38,700,000 36,900,000 26,175,000 35,300,000 35,000,000 34,400,000  
      selling, general and administrative
    		90,800,000 96,100,000 85,100,000 83,600,000 112,000,000 76,300,000 76,300,000 74,900,000 77,700,000 85,100,000 73,000,000 68,300,000 76,400,000 98,400,000 105,700,000 69,600,000 63,800,000 69,000,000 63,300,000 58,300,000 65,500,000 61,300,000 56,300,000 54,800,000 61,300,000 62,400,000 56,700,000 49,400,000 55,200,000 62,700,000 33,000,000 32,700,000 33,200,000 35,700,000 26,600,000 21,050,000 28,100,000 31,000,000 25,100,000 21,950,000 28,000,000 25,800,000 34,000,000  
      restructuring and related charges
    		1,100,000 -400,000 8,300,000 5,200,000 7,200,000 700,000 9,700,000 36,600,000 19,200,000 5,800,000 11,000,000 3,300,000 1,600,000 13,900,000 9,300,000  -100,000 100,000 -1,100,000 4,600,000 2,900,000 200,000  3,100,000 2,700,000 900,000 1,300,000 1,700,000 21,100,000 7,800,000 1,300,000 3,400,000 100,000 800,000 2,900,000 2,500,000 3,100,000 4,000,000 2,900,000 975,000 1,800,000 1,100,000 1,000,000  
      gain on sale of facility
    		    -34,900,000                                        
      total operating expenses
    		182,500,000 175,800,000 174,800,000 168,300,000 160,200,000 151,200,000 160,300,000 184,700,000 174,100,000 169,200,000 157,500,000 145,500,000 163,400,000 188,100,000 187,700,000 126,300,000 120,400,000 122,300,000 116,300,000 117,000,000 -81,900,000 114,300,000 106,700,000 108,700,000 115,200,000 114,300,000 107,900,000 100,600,000 164,700,000 113,300,000 68,900,000 74,600,000 71,500,000 80,300,000 65,800,000 51,775,000 68,500,000 73,700,000 64,900,000 49,100,000 65,100,000 61,900,000 69,400,000  
      income from operations
    		174,500,000 64,300,000 6,700,000 -8,400,000 -37,700,000 -51,600,000 -82,400,000 -133,400,000 -114,600,000 -105,200,000 -80,800,000 -55,900,000 -51,400,000 -21,900,000 13,500,000 55,400,000 46,800,000 85,200,000 115,900,000 45,800,000 266,900,000 115,300,000 99,000,000 27,000,000 42,500,000 74,800,000 59,800,000 -13,800,000 -76,400,000 11,500,000 57,100,000 20,900,000 25,500,000 90,800,000 2,700,000 -43,699,952.4 13,600,000 13,300,000 16,800,000 -1,399,988.5 -2,300,000 6,200,000 -2,500,000  
      yoy
    		-562.86% -224.61% -108.13% -93.70% -67.10% -50.95% 1.98% 138.64% 122.96% 380.37% -698.52% -200.90% -209.83% -125.70% -88.35% 20.96% -82.47% -26.11% 17.07% 69.63% 528.00% 54.14% 65.55% -295.65% -155.63% 550.43% 4.73% -166.03% -399.61% -87.33% 2014.81% -147.83% 87.50% 582.71% -83.93% 3021.45% -691.30% 114.52% -772.00%      
      qoq
    		171.38% 859.70% -179.76% -77.72% -26.94% -37.38% -38.23% 16.40% 8.94% 30.20% 44.54% 8.75% 134.70% -262.22% -75.63% 18.38% -45.07% -26.49% 153.06% -82.84% 131.48% 16.46% 266.67% -36.47% -43.18% 25.08% -533.33% -81.94% -764.35% -79.86% 173.21% -18.04% -71.92% 3262.96% -106.18% -421.32% 2.26% -20.83% -1300.01% -39.13% -137.10% -348.00%   
      operating margin %
    		21.59% 9.66% 1.26% -1.75% -8.87% -12.83% -24.46% -43.27% -31.27% -28.68% -25.44% -15.08% -13.41% -4.33% 2.66% 13.12% 11.84% 19.07% 25.85% 11.68% 63.62% 24.08% 21.88% 7.33% 10.55% 16.34% 13.29% -3.41% -17.65% 3.08% 16.13% 6.94% 8.53% 22.44% 1.11% 5.61% 5.32% 5.02% 6.51% 0.21% -1.00% 2.84% -1.18%  
      other income, net:
    		                                            
      escrow settlement
    		 27,500,000                                           
      interest expense
    		-6,200,000 -6,300,000 -5,700,000 -5,400,000 -5,700,000 -5,600,000 -5,500,000 -5,400,000 -9,000,000 -9,700,000 -9,700,000 -9,400,000 -8,700,000 -8,900,000 -8,500,000 -26,500,000 -19,700,000 -17,100,000 -16,900,000 -18,000,000 -16,400,000 -16,300,000 -16,000,000 -15,900,000 -15,600,000 -18,300,000 -11,400,000                  
      other income
    		15,500,000 11,000,000 4,200,000 2,400,000 4,200,000 14,900,000 8,700,000 11,300,000 16,200,000 13,400,000 21,200,000 19,900,000 11,400,000 3,700,000 13,800,000 8,200,000 2,200,000 1,000,000 600,000 700,000 2,400,000 -900,000 600,000 3,500,000 21,700,000 1,200,000 5,000,000                  
      total other income
    		9,300,000 32,200,000 -1,500,000                                          
      income before income taxes
    		183,800,000 96,500,000 5,200,000 -11,400,000 -39,200,000 -42,300,000 -79,200,000 -127,500,000 -107,400,000 -101,500,000 -69,300,000 -45,400,000 -48,700,000 -27,100,000 18,800,000 37,100,000 29,300,000 69,100,000 99,600,000 28,500,000 252,900,000 98,100,000 83,600,000 14,600,000 48,600,000 57,700,000 53,400,000 -21,100,000 -82,500,000 17,700,000 52,600,000 27,700,000 2,700,000 95,500,000 3,500,000 -8,050,000 -44,400,000 17,900,000 -5,700,000 -1,175,000 -7,500,000 3,300,000 -500,000  
      income tax provision
    		39,600,000 18,300,000 1,000,000 -224,700,000 4,900,000 18,600,000 3,200,000 125,000,000 19,600,000 -2,400,000 -1,400,000 14,800,000 -9,400,000                                
      net income
    		144,200,000 78,200,000 4,200,000 213,300,000 -44,100,000 -60,900,000 -82,400,000 -252,500,000 -127,000,000 -99,100,000 -67,900,000 -60,200,000 -39,300,000 -31,700,000 -400,000 34,700,000 26,000,000 56,700,000 81,500,000 21,500,000 225,500,000 83,200,000 67,100,000 -4,600,000 43,400,000 49,100,000 47,600,000 -25,800,000 -74,300,000 16,300,000 47,400,000 33,500,000 2,700,000 204,800,000 7,100,000 47,599,897.5 -56,000,000 11,800,000 -3,400,000 5,000,009.3 -7,600,000 2,800,000 -200,000  
      yoy
    		-426.98% -228.41% -105.10% -184.48% -65.28% -38.55% 21.35% 319.44% 223.16% 212.62% 16875.00% -273.49% -251.15% -155.91% -100.49% 61.40% -88.47% -31.85% 21.46% -567.39% 419.59% 69.45% 40.97% -82.17% -158.41% 201.23% 0.42% -177.01% -2851.85% -92.04% 567.61% -29.62% -104.82% 1635.59% -308.82% 852.00% 636.84% 321.43% 1600.00%      
      qoq
    		84.40% 1761.90% -98.03% -583.67% -27.59% -26.09% -67.37% 98.82% 28.15% 45.95% 12.79% 53.18% 23.97% 7825.00% -101.15% 33.46% -54.14% -30.43% 279.07% -90.47% 171.03% 23.99% -1558.70% -110.60% -11.61% 3.15% -284.50% -65.28% -555.83% -65.61% 41.49% 1140.74% -98.68% 2784.51% -85.08% -185.00% -574.58% -447.06% -168.00% -165.79% -371.43% -1500.00%   
      net income margin %
    		17.84% 11.75% 0.79% 44.37% -10.37% -15.14% -24.46% -81.90% -34.65% -27.02% -21.38% -16.24% -10.25% -6.26% -0.08% 8.22% 6.58% 12.69% 18.18% 5.48% 53.75% 17.38% 14.83% -1.25% 10.77% 10.73% 10.58% -6.38% -17.16% 4.36% 13.39% 11.13% 0.90% 50.62% 2.92% -6.11% -21.89% 4.45% -1.32% -0.76% -3.30% 1.28% -0.09%  
      income allocated to participating securities
    		-1,700,000                                            
      net income available to common shareholders
    		142,500,000                                       -4,325,000 -7,900,000 600,000   
      net income per common share:
    		                                            
      basic
    		1,990,000 1.1 0.06 3.1 -0.64 -0.88 -1.21 -3.74 -1.88 -1.47 -1.02 -0.88 -0.57 -0.46 -0.01 0.51 0.37 0.78 1.12 0.3 2.97 1.1 0.89 -0.05 0.58 0.64 0.62 -0.36 -0.98 0.24 0.73 0.51 0.04 3.29 0.11 -0.91 -0.92 0.19 -0.06 0.24 -0.13 0.01   
      diluted
    		1,500,000 0.89 0.05 3.09 -0.64 -0.88 -1.21 -3.74 -1.88 -1.47 -1.02 -0.88 -0.57 -0.46 -0.01 0.49 0.35 0.75 1.08 0.29 2.85 1.06 0.86 -0.05 0.56 0.63 0.61 -0.36 -0.98 0.08 0.72 0.51 0.04 3.17 0.11 -0.91 -0.92 0.19 -0.06 0.24 -0.13 0.01   
      shares used to compute net income per common share:
    		                                            
      basic
    		71,500,000 71.1 70.3 0.2 69.3 68.9 68.3 0.2 67.5 67.2 66.7  68.6 68.3 68.1 -0.8 71 72.3 72.7 -0.2 75.8 75.6 75.3 -0.3 74.8 76.8 76.9 2 76.2 66.8 63.1              
      diluted
    		96,200,000 87.8 78.3 0.8 69.3 68.9 68.3 0.2 67.5 67.2 66.7  68.6 68.3 68.1 -0.9 74.5 75.3 75.4 -0.2 79.2 78.4 78.2 -0.1 77.5 78 77.6 2 76.2 67.8 63.9              
      net income per share
    		                                            
      basic
    		1,990,000 1.1 0.06 3.1 -0.64 -0.88 -1.21 -3.74 -1.88 -1.47 -1.02 -0.88 -0.57 -0.46 -0.01 0.51 0.37 0.78 1.12 0.3 2.97 1.1 0.89 -0.05 0.58 0.64 0.62 -0.36 -0.98 0.24 0.73 0.51 0.04 3.29 0.11 -0.91 -0.92 0.19 -0.06 0.24 -0.13 0.01   
      diluted
    		1,500,000 0.89 0.05 3.09 -0.64 -0.88 -1.21 -3.74 -1.88 -1.47 -1.02 -0.88 -0.57 -0.46 -0.01 0.49 0.35 0.75 1.08 0.29 2.85 1.06 0.86 -0.05 0.56 0.63 0.61 -0.36 -0.98 0.08 0.72 0.51 0.04 3.17 0.11 -0.91 -0.92 0.19 -0.06 0.24 -0.13 0.01   
      shares used to compute net income per share:
    		                                            
      basic
    		71,500,000 71.1 70.3 0.2 69.3 68.9 68.3 0.2 67.5 67.2 66.7  68.6 68.3 68.1 -0.8 71 72.3 72.7 -0.2 75.8 75.6 75.3 -0.3 74.8 76.8 76.9 2 76.2 66.8 63.1              
      diluted
    		96,200,000 87.8 78.3 0.8 69.3 68.9 68.3 0.2 67.5 67.2 66.7  68.6 68.3 68.1 -0.9 74.5 75.3 75.4 -0.2 79.2 78.4 78.2 -0.1 77.5 78 77.6 2 76.2 67.8 63.9              
      shares used to compute net loss per share:
    		                                            
      basic
    		71,500,000 71.1 70.3 0.2 69.3 68.9 68.3 0.2 67.5 67.2 66.7  68.6 68.3 68.1 -0.8 71 72.3 72.7 -0.2 75.8 75.6 75.3 -0.3 74.8 76.8 76.9 2 76.2 66.8 63.1              
      diluted
    		96,200,000 87.8 78.3 0.8 69.3 68.9 68.3 0.2 67.5 67.2 66.7  68.6 68.3 68.1 -0.9 74.5 75.3 75.4 -0.2 79.2 78.4 78.2 -0.1 77.5 78 77.6 2 76.2 67.8 63.9              
      provision for income taxes
    		             4,600,000 19,200,000 2,400,000 3,300,000 12,400,000 18,100,000 7,000,000 27,400,000 14,900,000 16,500,000 19,200,000 5,200,000 8,600,000 5,800,000 4,700,000 -8,200,000 1,400,000 5,200,000 -5,800,000  -109,300,000  3,850,000 11,600,000 6,100,000  75,000 100,000 500,000 -300,000  
      merger termination fee and related costs
    		                    -207,500,000                        
      impairment charges
    		                       1,800,000 2,500,000                    
      unrealized gain on derivative liability
    		                             10,900,000 -2,100,000   7,900,000 4,200,000   4,800,000 -22,700,000    2,200,000  
      items reconciling net income to net income attributable to common stockholders:
    		                                            
      less: cumulative dividends on series a preferred stock
    		                             -100,000               
      less: earnings allocated to series a preferred stock
    		                             -100,000               
      net income attributable to common stockholders - basic
    		                       35,025,000 43,400,000 49,100,000 47,600,000 -25,800,000 -74,300,000 16,100,000 46,100,000              
      net income attributable to common stockholders - diluted
    		                       35,025,000 43,400,000 49,100,000 47,600,000 -25,800,000 -74,300,000 5,400,000 46,100,000              
      shares used to compute net income per share attributable to common stockholders:
    		                                            
      basic
    		71,500,000 71.1 70.3 0.2 69.3 68.9 68.3 0.2 67.5 67.2 66.7  68.6 68.3 68.1 -0.8 71 72.3 72.7 -0.2 75.8 75.6 75.3 -0.3 74.8 76.8 76.9 2 76.2 66.8 63.1              
      diluted
    		96,200,000 87.8 78.3 0.8 69.3 68.9 68.3 0.2 67.5 67.2 66.7  68.6 68.3 68.1 -0.9 74.5 75.3 75.4 -0.2 79.2 78.4 78.2 -0.1 77.5 78 77.6 2 76.2 67.8 63.9              
      add: earnings allocated to series a preferred stock
    		                             100,000               
      less: unrealized gain on derivative liability on series a preferred stock
    		                                            
      add: cumulative dividends on series a preferred stock
    		                             100,000               
      unrealized loss on derivative liability
    		                                       -1,250,000 -4,800,000 -2,400,000   
      amortization of acquired intangibles
    		                           13,200,000 28,100,000 4,400,000               
      impairment charge
    		                           7,675,000 30,700,000                
      interest and other income
    		                           -3,300,000 -6,100,000 -4,700,000 -2,400,000 -1,000,000 -2,100,000 -3,200,000 -3,400,000   -200,000 200,000 -275,000 -400,000 -500,000 -200,000  
      add/less: unrealized loss on derivative liability on series a preferred stock
    		                             -10,900,000               
      amortization of acquired developed technologies
    		                              800,000 800,000 800,000 800,000 800,000          
      cumulative dividends on series a preferred stock
    		                              -200,000 -200,000 -200,000 -300,000 -200,000 599,999.1 -200,000 -200,000 -200,000 599,999.2 -300,000 -200,000   
      earnings allocated to series a preferred stock
    		                              -1,100,000 -800,000 -100,000            
      unrealized loss on derivative liabilities
    		                               7,800,000 -20,700,000   -18,625,000 -56,600,000        
      net income attributable to common stockholders
    		                               52,250,000 2,400,000 204,500,000 6,900,000   11,600,000       
      shares used in per share calculation attributable to common stockholders
    		                                            
      basic
    		                               15.525 62.4 62.2 61.7 0.2 61 60.3 59.9 0.1 59.2 59   
      diluted
    		                               15.8 63.3 64.6 63 0.2 61 62.7 59.9 0.1 59.2 59.2   
      benefit from income tax
    		                                  -3,600,000    -2,300,000      
      amortization of acquired technologies
    		                                   1,275,000 1,700,000 1,700,000 1,700,000 1,275,000 1,700,000 1,700,000 1,700,000  
      interest and other expenses
    		                                   -350,000 -1,400,000        
      accretion of series a preferred stock
    		                                       11,699,988.3  -2,000,000 -9,700,000  
      net loss attributable to common stockholders
    		                                   -12,050,000 -56,200,000  -3,600,000      
      shares used in per share calculation attributable to common shareholders:
    		                                            
      basic
    		                               15.525 62.4 62.2 61.7 0.2 61 60.3 59.9 0.1 59.2 59   
      diluted
    		                               15.8 63.3 64.6 63 0.2 61 62.7 59.9 0.1 59.2 59.2   
      dividends on series a preferred stock
    		                                          -100,000  
      net income attributable to common shareholders
    		                                          -10,000,000  
      net income per share
    		                                            
      basic and diluted
    		                                          -0.17  
      shares used in per share calculation attributable to common shareholders:
    		                                            
      basic and diluted
    		                                          58.8  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-28 2025-12-27 2025-09-27 2025-06-28 2025-03-29 2024-12-28 2024-09-28 2024-06-29 2024-03-30 2023-12-30 2023-09-30 2023-07-01 2023-04-01 2022-12-31 2022-10-01 2022-07-02 2022-04-02 2022-01-01 2021-10-02 2021-07-03 2021-04-03 2020-12-26 2020-09-26 2020-06-27 2020-03-28 2019-12-28 2019-09-28 2019-06-29 2019-03-30 2018-12-29 2018-09-29 2018-06-30 2018-03-31 2017-12-30 2017-09-30 2017-07-01 2017-04-01 2016-12-31 2016-10-01 2016-07-02 2016-04-02 2015-12-26 2015-09-26 2015-06-27 
                                                  
        assets
      		                                            
        current assets:
      		                                            
        cash and cash equivalents
      		2,617,800,000 657,700,000 772,900,000 520,700,000 516,400,000 479,700,000 489,200,000 436,700,000 425,000,000 469,300,000 861,600,000 859,000,000 549,200,000 592,100,000 605,300,000 1,290,200,000 1,130,300,000 552,000,000 611,000,000 774,300,000 687,700,000 321,300,000 269,500,000 298,000,000 688,300,000 1,085,000,000 539,000,000 432,600,000 357,300,000 371,300,000 459,400,000 397,300,000 176,800,000 202,100,000 150,800,000 272,900,000 577,900,000 155,900,000 166,800,000 157,100,000 157,200,000 161,900,000 142,100,000 14,500,000 
        short-term investments
      		554,500,000 497,600,000 348,900,000 356,400,000 350,300,000 417,000,000 426,900,000 450,300,000 445,900,000 754,700,000 1,082,700,000 1,154,600,000 1,118,000,000 1,088,300,000 1,019,600,000 1,258,800,000 1,433,800,000 1,470,400,000 1,273,600,000 1,171,700,000 1,366,900,000 1,379,000,000 1,341,200,000 1,255,800,000 763,100,000 230,600,000 291,900,000 335,900,000 340,200,000 312,800,000 274,900,000 314,200,000 516,000,000 422,400,000 381,700,000 282,400,000         
        accounts receivable
      		441,600,000 376,800,000 307,000,000 250,000,000 255,700,000 226,900,000 198,500,000 194,700,000 229,800,000 248,300,000 220,000,000 246,100,000 278,000,000 330,500,000 340,500,000 262,000,000 242,200,000 239,200,000 263,200,000 212,800,000 224,800,000 276,700,000 263,600,000 233,500,000 261,800,000 292,000,000 292,800,000 238,000,000 302,900,000 266,500,000 239,600,000 197,100,000 164,700,000 222,100,000 173,800,000 166,300,000 185,400,000 192,500,000 156,500,000 170,500,000 160,200,000 159,100,000 156,600,000 150,500,000 
        inventories
      		632,800,000 570,400,000 531,600,000 470,100,000 422,900,000 402,300,000 403,300,000 398,400,000 420,700,000 471,700,000 428,000,000 408,600,000 410,200,000 366,900,000 366,200,000 250,100,000 224,000,000 208,100,000 207,000,000 196,400,000 210,700,000 207,100,000 212,600,000 188,900,000 172,700,000 179,600,000 202,200,000 228,800,000 272,200,000 303,200,000 136,600,000 153,600,000 144,200,000 147,300,000 147,200,000 145,200,000 116,900,000 121,000,000 103,700,000 100,600,000 107,200,000 107,300,000 102,900,000 99,700,000 
        prepayments and other current assets
      		149,000,000 180,700,000 125,200,000 120,100,000 122,000,000 125,500,000 118,300,000 110,000,000 128,600,000 118,100,000 99,400,000 109,600,000 108,200,000 114,800,000 106,800,000 78,100,000 70,300,000 70,400,000 68,200,000 81,600,000 79,700,000 82,100,000 79,800,000 73,800,000 77,100,000 95,800,000 97,300,000 97,500,000 107,000,000 103,100,000 70,600,000 65,000,000 63,000,000 59,900,000 69,000,000 63,500,000 61,400,000 58,200,000 62,300,000 61,300,000 58,700,000 50,400,000 52,100,000 46,100,000 
        total current assets
      		4,395,700,000 2,283,200,000 2,085,600,000 1,717,300,000 1,667,300,000 1,651,400,000 1,636,200,000 1,590,100,000 1,650,000,000 2,062,100,000 2,691,700,000 2,777,900,000 2,463,600,000 2,492,600,000 2,438,400,000 3,139,200,000 3,100,600,000 2,540,100,000 2,423,000,000 2,436,800,000 2,569,800,000 2,266,200,000 2,166,700,000 2,050,000,000 1,963,000,000 1,883,000,000 1,423,200,000 1,332,800,000 1,418,100,000 1,356,900,000 1,181,100,000 1,127,200,000 1,064,700,000 1,053,800,000 922,500,000 930,300,000 941,600,000 527,600,000 489,300,000 489,500,000 483,300,000 478,700,000 453,700,000 310,800,000 
        property, plant and equipment
      		964,300,000 813,500,000 794,800,000 726,400,000 693,300,000 663,400,000 638,400,000 572,500,000 578,700,000 582,300,000 511,600,000 489,500,000 482,900,000 487,700,000 478,000,000 360,500,000 356,400,000 359,600,000 353,200,000 361,100,000 378,000,000 385,800,000 393,400,000 393,000,000 410,100,000 421,000,000 436,700,000 433,300,000 390,600,000 444,700,000 318,600,000 306,900,000 301,800,000 301,300,000 293,700,000 273,500,000 246,600,000 219,600,000 196,000,000 183,400,000 168,100,000 151,400,000 141,500,000 143,200,000 
        operating lease right-of-use assets
      		27,000,000 29,600,000 30,500,000 27,900,000 32,200,000 32,900,000 35,700,000 72,800,000 76,700,000 81,300,000 68,800,000 77,300,000 81,500,000 84,900,000 89,400,000 73,600,000 74,300,000 75,100,000 75,200,000 67,400,000 70,300,000 71,800,000 74,700,000 78,700,000 81,700,000 84,700,000 88,200,000                  
        goodwill
      		1,066,300,000 1,060,900,000 1,060,900,000 1,060,900,000 1,060,900,000 1,060,900,000 1,060,900,000 1,055,800,000 1,055,900,000 1,054,600,000 695,100,000 695,100,000 696,200,000 698,200,000 693,700,000 368,900,000 368,900,000 368,900,000 368,900,000 368,900,000 368,900,000 368,900,000 368,900,000 368,900,000 368,900,000 368,900,000 368,900,000 368,900,000 359,800,000 344,700,000               
        other intangible assets
      		362,900,000 396,700,000 430,700,000 465,100,000 499,800,000 534,900,000 573,900,000 617,500,000 688,500,000 730,600,000 435,200,000 459,200,000 498,400,000 539,900,000 576,000,000 155,700,000 176,900,000 198,300,000 219,800,000 241,200,000 263,200,000 285,200,000 296,100,000 316,800,000 338,000,000 358,000,000 376,600,000 395,400,000 412,300,000 445,000,000               
        deferred tax asset
      		197,900,000 206,100,000 204,600,000 210,300,000 12,700,000 11,000,000 12,500,000 10,700,000 139,200,000 130,200,000 128,000,000 116,300,000 116,200,000 100,100,000 100,500,000 27,000,000 19,700,000 67,200,000 72,900,000 72,900,000                         
        other non-current assets
      		13,800,000 15,300,000 6,000,000 10,800,000 8,800,000 11,600,000 12,000,000 12,500,000 15,500,000 14,900,000 14,600,000 16,800,000 15,200,000 14,700,000 11,400,000 37,300,000 36,700,000 6,500,000 6,000,000 3,300,000 5,800,000 5,400,000 6,000,000 4,000,000 4,300,000 4,500,000 4,600,000 16,600,000 18,400,000 21,000,000 5,700,000 3,500,000 3,600,000 3,500,000 3,600,000 3,700,000 2,900,000 2,700,000 2,500,000 1,600,000 1,500,000 600,000 300,000 900,000 
        total assets
      		7,027,900,000 4,805,300,000 4,613,100,000 4,218,700,000 3,975,000,000 3,966,100,000 3,969,600,000 3,931,900,000 4,204,500,000 4,656,000,000 4,545,000,000 4,632,100,000 4,354,000,000 4,418,100,000 4,387,400,000 4,162,200,000 4,133,500,000 3,615,700,000 3,519,000,000 3,551,600,000 3,745,900,000 3,468,200,000 3,387,400,000 3,292,600,000 3,268,700,000 3,221,200,000 2,867,800,000 2,716,600,000 2,771,400,000 2,796,600,000 1,645,000,000 1,581,500,000 1,518,200,000 1,507,400,000 1,248,400,000 1,232,900,000 1,244,500,000 796,700,000 737,500,000 726,300,000 704,900,000 682,000,000 649,700,000 512,600,000 
        liabilities and stockholders’ equity
      		                                            
        current liabilities:
      		                                            
        accounts payable
      		392,700,000 347,400,000 278,600,000 225,200,000 195,200,000 184,700,000 163,100,000 126,300,000 133,400,000 163,000,000 134,600,000 169,400,000 198,700,000 205,600,000 205,700,000 156,700,000 126,800,000 118,200,000 101,600,000 116,900,000 104,700,000 111,300,000 146,000,000 150,800,000 144,600,000 143,700,000 152,200,000 160,800,000 204,100,000 199,200,000 127,600,000 126,500,000 100,900,000 113,000,000 111,600,000 114,800,000 118,400,000 127,800,000 108,300,000 118,300,000 111,700,000 95,200,000 83,000,000 77,800,000 
        accrued payroll and related expenses
      		109,700,000 85,300,000 69,300,000 57,900,000 42,800,000 40,100,000 42,000,000 36,100,000 40,400,000 50,400,000 40,900,000 39,400,000 41,100,000 60,700,000 62,200,000 54,600,000 47,500,000 50,300,000 42,900,000 54,300,000 45,900,000 46,900,000 43,900,000 53,400,000 50,900,000 53,700,000 42,700,000 42,300,000 41,400,000 41,200,000 30,300,000 31,500,000 33,200,000 40,200,000 25,100,000 27,500,000 31,100,000 36,000,000 26,900,000 26,500,000 27,300,000 30,700,000 20,800,000 17,700,000 
        accrued expenses
      		48,900,000 39,200,000 45,500,000 34,600,000 43,500,000 46,200,000 39,700,000 52,400,000 61,700,000 65,800,000 59,400,000 51,200,000 59,500,000 62,100,000 52,800,000 44,700,000 36,700,000 41,000,000 40,400,000 33,100,000 39,500,000 32,700,000 34,300,000 23,700,000 32,900,000 37,200,000 51,400,000 46,700,000 54,400,000 46,500,000 35,000,000 33,900,000 36,300,000 29,600,000 18,000,000 19,300,000 23,000,000 16,500,000 13,300,000 14,900,000 18,200,000 15,700,000 14,500,000 11,500,000 
        current portion of long-term debt
      		3,238,600,000 3,240,200,000 1,079,000,000 10,600,000 10,300,000 9,800,000 10,800,000                                      
        operating lease liabilities, current
      		12,500,000 12,700,000 12,200,000 11,400,000 11,300,000 11,200,000 11,900,000 13,400,000 13,800,000 14,500,000 11,800,000 14,400,000 14,400,000 14,000,000 13,600,000 11,200,000 12,000,000 12,300,000 11,700,000 11,800,000 11,800,000 10,800,000 10,800,000 10,800,000 11,500,000 11,700,000 11,700,000                  
        other current liabilities
      		62,900,000 42,800,000 41,600,000 53,100,000 49,900,000 54,900,000 37,600,000 41,100,000 68,300,000 45,000,000 31,300,000 47,800,000 29,000,000 51,200,000 48,300,000 39,400,000 31,600,000 33,900,000 19,300,000 57,800,000 87,000,000 65,300,000 58,400,000 44,300,000 46,800,000 57,900,000 52,600,000 39,200,000 46,700,000 33,600,000 21,000,000 22,100,000 21,000,000 29,400,000 22,000,000 21,900,000 19,200,000 21,300,000 14,400,000 12,100,000 9,800,000 11,800,000 10,700,000 11,400,000 
        total current liabilities
      		3,865,300,000 3,767,600,000 1,526,200,000 392,800,000 353,000,000 346,900,000 305,100,000 269,300,000 317,600,000 658,400,000 593,700,000 633,800,000 768,900,000 814,300,000 802,800,000 716,500,000 660,700,000 656,700,000 611,700,000 664,600,000 674,200,000 647,300,000 293,400,000 283,000,000 286,700,000 304,200,000 316,800,000 294,000,000 358,000,000 325,500,000 213,900,000 214,000,000 191,500,000 217,700,000 177,200,000 184,200,000 192,100,000 202,000,000 163,500,000 173,700,000 169,000,000 157,400,000 132,600,000 122,100,000 
        long-term debt
      		43,200,000 47,100,000 2,164,500,000 2,562,600,000 2,562,400,000 2,561,200,000 2,569,200,000      1,900,800,000 1,900,300,000                               
        operating lease liabilities, non-current
      		19,400,000 22,700,000 24,500,000 23,600,000 25,800,000 26,100,000 29,800,000 43,000,000 47,300,000 52,900,000 41,200,000 47,700,000 53,100,000 57,000,000 58,000,000 48,800,000 52,800,000 55,800,000 57,500,000 47,600,000 50,500,000 55,100,000 56,000,000 57,600,000 59,100,000 62,500,000 65,300,000                  
        deferred tax liability
      		5,400,000 5,600,000 6,000,000 7,200,000 39,400,000 45,400,000 53,400,000 55,700,000 61,700,000 67,600,000 12,700,000 3,400,000 17,500,000 25,800,000 24,800,000 12,900,000 17,500,000 29,000,000 35,500,000 35,900,000 31,600,000 36,700,000 48,400,000 46,500,000 49,000,000 47,900,000 52,700,000 55,900,000 55,800,000 56,100,000               
        other non-current liabilities
      		121,200,000 115,700,000 111,100,000 97,800,000 114,900,000 114,200,000 116,200,000 103,400,000 98,800,000 97,600,000 85,700,000 91,400,000 75,700,000 77,100,000 75,900,000 42,900,000 42,800,000 42,000,000 42,900,000 40,900,000 45,700,000 38,100,000 38,800,000 36,000,000 33,700,000 33,000,000 32,100,000 33,700,000 21,400,000 26,600,000 18,800,000 19,000,000 24,200,000 24,400,000 25,300,000 25,000,000 19,900,000 14,300,000 9,500,000 9,100,000 8,700,000 8,000,000 16,300,000 9,800,000 
        total liabilities
      		4,054,500,000 3,958,700,000 3,832,300,000 3,084,000,000 3,095,500,000 3,093,800,000 3,073,700,000 2,974,600,000 3,027,800,000 3,378,200,000 3,234,200,000 3,276,300,000 2,816,000,000 2,874,500,000 2,861,000,000 2,287,200,000 2,221,400,000 1,593,800,000 1,547,600,000 1,578,800,000 1,580,900,000 1,546,300,000 1,571,300,000 1,543,400,000 1,534,500,000 1,539,600,000 1,306,500,000 1,219,500,000 1,267,500,000 1,236,900,000 625,700,000 619,600,000 605,800,000 607,300,000 571,500,000 578,300,000 740,100,000 244,500,000 206,000,000 193,100,000 192,400,000 175,300,000 148,900,000  
        commitments and contingencies
      		                                            
        stockholders’ equity:
      		                                            
        preferred stock, 0.001 par value...
      		                                            
        common stock, 0.001 par value...
      		100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000  
        additional paid-in capital
      		3,600,900,000 1,615,900,000 1,628,600,000 1,986,800,000 1,942,800,000 1,892,400,000 1,853,700,000 1,835,000,000 1,802,400,000 1,776,100,000 1,714,000,000 1,692,200,000 1,671,400,000 1,641,400,000 1,596,100,000 2,003,600,000 1,973,700,000 1,778,100,000 1,752,100,000 1,743,600,000 1,718,800,000 1,700,900,000 1,677,900,000 1,676,600,000 1,659,100,000 1,648,700,000 1,377,300,000 1,360,800,000 1,341,400,000 1,324,200,000 763,500,000 753,200,000 736,000,000 724,800,000 705,700,000 694,500,000 489,800,000 483,300,000 470,500,000 467,700,000 461,100,000 451,300,000 448,500,000  
        accumulated deficit
      		-634,600,000 -778,800,000 -857,000,000 -861,200,000 -1,074,500,000 -1,030,400,000 -969,500,000 -887,100,000 -634,600,000 -507,600,000 -408,500,000 -340,600,000 -140,600,000 -101,300,000 -69,600,000                              
        accumulated other comprehensive income
      		7,000,000 9,400,000 9,100,000 9,000,000 11,100,000 10,200,000 11,600,000 9,300,000 8,800,000 9,200,000 5,200,000 4,100,000 7,100,000 3,400,000 -200,000 400,000 -1,200,000 6,200,000 8,500,000 8,200,000 5,700,000 6,000,000 6,400,000 7,900,000 5,800,000 7,000,000 7,200,000 7,100,000 7,500,000 6,200,000 6,900,000 6,400,000 7,300,000 8,700,000 9,200,000 7,400,000 6,700,000 4,800,000 8,500,000 9,400,000 9,300,000 5,500,000 7,000,000 12,500,000 
        total stockholders’ equity
      		2,973,400,000 846,600,000 780,800,000 1,134,700,000 879,500,000 872,300,000 895,900,000 957,300,000 1,176,700,000 1,277,800,000 1,310,800,000 1,355,800,000 1,538,000,000 1,543,600,000 1,526,400,000 1,875,000,000 1,912,100,000 2,021,900,000 1,971,400,000 1,972,800,000 2,165,000,000 1,921,900,000 1,816,100,000 1,749,200,000 1,734,200,000 1,681,600,000 1,561,300,000 1,497,100,000 1,503,900,000 1,559,700,000 983,500,000 926,100,000 876,600,000 864,300,000 641,100,000 618,800,000 468,600,000 516,400,000 495,700,000 497,400,000 476,700,000 470,900,000 467,000,000 380,700,000 
        total liabilities and stockholders’ equity
      		7,027,900,000 4,805,300,000 4,613,100,000 4,218,700,000 3,975,000,000 3,966,100,000 3,969,600,000 3,931,900,000 4,204,500,000 4,656,000,000 4,545,000,000 4,632,100,000 4,354,000,000 4,418,100,000 4,387,400,000 4,162,200,000 4,133,500,000 3,615,700,000 3,519,000,000 3,551,600,000 3,745,900,000 3,468,200,000 3,387,400,000 3,292,600,000 3,268,700,000 3,221,200,000 2,867,800,000             726,300,000    512,600,000 
        convertible notes, current
      		         319,700,000 315,700,000 311,600,000    409,900,000 406,100,000 401,000,000 395,800,000 390,700,000 385,300,000 380,300,000                       
        convertible notes, non-current
      		       2,503,200,000 2,502,400,000 2,501,700,000 2,500,900,000 2,500,000,000    1,466,100,000 1,447,600,000 810,300,000 800,000,000 789,800,000 778,900,000 769,100,000                       
        short-term debt
      		            426,200,000 420,700,000                               
        short term debt
      		              420,200,000                              
        long term debt
      		              1,899,500,000                              
        retained earnings
      		               -129,100,000 -60,500,000 237,500,000 210,700,000 220,900,000 440,400,000 214,900,000 131,700,000 64,600,000 69,200,000 25,800,000 176,700,000 129,100,000 154,900,000 229,200,000 213,000,000 166,400,000 133,200,000 130,700,000 -73,900,000 -83,200,000 -28,000,000 28,200,000 16,600,000 20,200,000 6,200,000 14,000,000 11,400,000  
        deferred income taxes
      		                    89,900,000 84,900,000 81,600,000 81,200,000 102,700,000 101,100,000 169,600,000 169,600,000 172,200,000 184,300,000 122,000,000 125,600,000 128,200,000 128,400,000 7,600,000 3,900,000 31,100,000 30,800,000 31,600,000 31,900,000 30,100,000 27,700,000 28,900,000 30,300,000 
        convertible notes
      		                      1,134,700,000 1,120,300,000 1,106,000,000 1,092,000,000 356,500,000 351,900,000 347,400,000 342,900,000 338,500,000 334,200,000 329,900,000 325,700,000           
        term loan, current
      		                          6,200,000 5,000,000 5,000,000 5,000,000               
        term loan, non-current
      		                          483,100,000 484,000,000 484,900,000 485,800,000               
        redeemable convertible preferred stock
      		                                            
        liabilities, redeemable convertible preferred stock and stockholders’ equity
      		                                            
        derivative liability
      		                              54,500,000 52,400,000 60,200,000 39,500,000 47,400,000   28,200,000 33,000,000  14,700,000 9,900,000   
        non-controlling interest redeemable convertible series a preferred stock, 0.001 par value...
      		                              35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 33,800,000  
        total redeemable convertible preferred stock
      		                              35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000 35,800,000     
        total liabilities, redeemable convertible preferred stock, and stockholders’ equity
      		                           2,716,600,000 2,771,400,000 2,796,600,000 1,645,000,000 1,581,500,000 1,518,200,000 1,507,400,000 1,248,400,000          
        assets held-for-sale
      		                            38,500,000                
        liabilities held-for-sale
      		                            6,400,000                
        goodwill and intangibles
      		                              17,600,000 18,300,000 19,900,000 20,400,000 21,000,000 21,500,000 22,300,000 16,000,000 18,100,000 19,900,000 21,900,000 23,600,000 25,300,000 27,400,000 
        liabilities, redeemable convertible preferred stock, and stockholders’ equity
      		                                            
        income taxes payable
      		                                100,000 5,500,000 500,000 700,000 400,000 400,000 600,000 1,900,000 2,000,000 4,000,000 3,600,000 3,700,000 
        liabilities, redeemable convertible preferred stock, stockholders equity, and invested equity
      		                                            
        convertible note
      		                                  321,600,000 317,500,000 313,400,000        
        derivative liabilities
      		                                   51,600,000 214,700,000   10,300,000     
        total liabilities, redeemable convertible preferred stock, stockholders equity, and invested equity
      		                                   1,232,900,000         
        liabilities, redeemable convertible preferred stock, and equity
      		                                            
        total liabilities and stockholders' equity
      		                                    1,244,500,000 796,700,000 737,500,000      
        viavi net investment
      		                                           368,200,000 
        liabilities, mezzanine equity and stockholders’ equity
      		                                            
        mezzanine equity:
      		                                            
        total mezzanine equity
      		                                        35,800,000 35,800,000 33,800,000  
        total liabilities, mezzanine equity and stockholders’ equity
      		                                        704,900,000 682,000,000   
        liabilities, mezzanine and stockholders’ equity
      		                                            
        total liabilities, mezzanine and stockholders’ equity
      		                                          649,700,000  
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-28 2025-12-27 2025-09-27 2025-06-28 2025-03-29 2024-12-28 2024-09-28 2024-06-29 2024-03-30 2023-12-30 2023-09-30 2023-07-01 2023-04-01 2022-12-31 2022-10-01 2022-07-02 2022-04-02 2022-01-01 2021-10-02 2021-07-03 2021-04-03 2020-12-26 2020-09-26 2020-06-27 2020-03-28 2019-12-28 2019-09-28 2019-06-29 2019-03-30 2018-12-29 2018-09-29 2018-06-30 2018-03-31 2017-12-30 2017-09-30 2017-07-01 2017-04-01 2016-12-31 2016-10-01 2016-07-02 2016-04-02 2015-12-26 2015-09-26 
                                                   
          operating activities:
        		                                           
          net income
        		144,200,000 78,200,000 4,200,000         -60,200,000 -39,300,000 -31,700,000 -400,000 34,700,000 26,000,000 56,700,000 81,500,000 21,500,000 225,500,000 83,200,000 67,100,000 -4,600,000 43,400,000 49,100,000 47,600,000 -25,800,000 -74,300,000 16,300,000 47,400,000 33,500,000 2,700,000 204,800,000 7,100,000     14,300,000 -7,600,000 2,800,000 -200,000 
          adjustments to reconcile net income to net cash from operating activities:
        		                                           
          depreciation expense
        		32,800,000 30,600,000 27,800,000 26,400,000 25,000,000 25,900,000 27,000,000 28,200,000 27,000,000 27,200,000 28,200,000 28,000,000 27,700,000 26,400,000 24,500,000 20,400,000 20,200,000 20,600,000 20,400,000 21,000,000 22,800,000 23,800,000 23,800,000 25,500,000 27,500,000 28,700,000 31,600,000 28,200,000 29,000,000 26,000,000 19,700,000 20,700,000 18,400,000 18,200,000 16,700,000 15,100,000 14,100,000 13,100,000 11,900,000 12,300,000 11,300,000 12,100,000 11,700,000 
          stock-based compensation
        		41,600,000 45,400,000 42,400,000 40,000,000 62,800,000 38,800,000 35,600,000 30,500,000 31,600,000 34,600,000 32,100,000 32,100,000 33,100,000 36,600,000 46,600,000 27,700,000 23,300,000 27,300,000 24,800,000 24,200,000 25,100,000 24,100,000 19,500,000 17,100,000 19,200,000 20,200,000 16,700,000 14,200,000 16,000,000 19,700,000 10,800,000 11,700,000 11,000,000 14,800,000 9,300,000 8,000,000 8,000,000 9,000,000 7,700,000 4,400,000 8,200,000 6,300,000 6,000,000 
          bad debt expense
        		   0                                        
          gain on sale of facility
        		   0                                        
          amortization and write-off of acquired intangibles
        		33,800,000 34,000,000 34,400,000  35,100,000 39,000,000 43,600,000                                     
          write-down and loss on sales and dispositions of property, plant and equipment
        		1,400,000                                           
          amortization of debt issuance costs
        		                                           
          inducement expense on partial repurchase of 2026 notes
        		0 0 5,900,000                                         
          write-off of right-of-use assets
        		   1,600,000 700,000 200,000 5,300,000                                     
          other non-cash items
        		-2,900,000 -3,200,000 -3,000,000  3,000,000 -8,300,000 -300,000  -1,900,000 -2,800,000 -5,700,000  -2,400,000 3,200,000 -2,200,000                             
          changes in operating assets and liabilities:
        		                                           
          accounts receivable
        		-64,800,000 -69,800,000 -56,900,000 5,700,000 -32,200,000 -28,400,000 -3,800,000 35,100,000 18,500,000 -7,400,000 26,100,000 32,200,000 52,500,000 10,000,000 -11,500,000 -19,800,000 -3,000,000 24,000,000 -50,400,000 12,000,000 51,900,000 -13,400,000 -30,300,000 28,800,000 30,200,000 800,000 -54,800,000 64,900,000 -36,400,000 41,100,000 -41,900,000 -32,400,000 57,400,000 -48,300,000 -7,500,000 19,100,000 7,100,000 -36,000,000 14,000,000 -10,200,000 -500,000 -2,500,000 -8,600,000 
          inventories
        		-62,700,000 -45,000,000 -57,500,000 -45,600,000 -20,700,000 1,500,000 -6,500,000 21,300,000 45,000,000 24,300,000 -16,800,000 -900,000 -44,200,000 -11,800,000 -24,600,000 -25,300,000 -15,500,000 -700,000 -10,300,000 13,600,000 -3,300,000 6,000,000 -22,900,000 -15,600,000 4,000,000 20,800,000 23,500,000 26,600,000 13,500,000 -14,800,000 15,300,000 -8,800,000 3,300,000 -200,000 -2,000,000 -27,700,000 6,100,000 -17,100,000 -3,000,000 6,500,000 100,000 -4,300,000 -5,400,000 
          operating lease right-of-use assets
        		2,600,000 900,000 -2,600,000 2,700,000 0 2,600,000 -200,000 3,900,000 4,600,000 -8,800,000 3,700,000 4,200,000 3,400,000 4,300,000 3,600,000 700,000 800,000 100,000 -7,800,000 2,900,000 1,500,000 2,900,000 4,000,000 2,000,000 3,000,000                   
          prepayments and other current and non-current assets
        		                                    -12,200,000 6,500,000 -2,200,000     
          income taxes
        		16,400,000 3,400,000 -1,900,000 -235,000,000 -11,700,000 21,300,000 7,200,000 115,000,000 -10,700,000 -6,700,000 -19,900,000 14,200,000 -37,300,000 -3,800,000 -11,000,000 -900,000 -14,800,000 12,700,000 -18,100,000 -12,200,000 17,200,000 -3,400,000 14,400,000 18,300,000 2,600,000 5,600,000 4,800,000 -500,000 -10,900,000 1,000,000 4,800,000 -6,800,000 -11,500,000           
          accounts payable
        		29,500,000 51,100,000 28,800,000 24,300,000 6,200,000 6,100,000 32,600,000 -6,900,000 -31,700,000 -23,100,000 -28,000,000 -29,700,000 700,000 -3,900,000 -41,100,000 32,700,000 9,500,000 15,300,000 -10,500,000 7,600,000 -5,800,000 -30,400,000 -5,400,000 3,600,000 3,400,000 -5,600,000 -13,100,000 -26,300,000 -800,000 12,400,000 4,100,000 20,700,000 -8,900,000 -5,200,000 -1,800,000 1,300,000 -18,100,000 14,100,000 -14,200,000 -3,800,000 14,500,000 9,900,000 8,300,000 
          accrued payroll and related expenses
        		24,400,000 16,000,000 11,400,000 15,100,000 2,900,000 -1,900,000 5,900,000 -4,000,000 -10,000,000 3,600,000 1,500,000 -1,700,000 -19,600,000 -500,000 -14,500,000 7,100,000 -2,800,000 7,400,000 -11,400,000 8,400,000 -1,000,000 3,000,000 -9,500,000 2,500,000 -2,800,000 11,000,000 400,000 1,300,000 200,000 -500,000 -1,100,000 -1,700,000 -7,100,000 15,100,000 -2,400,000 -3,500,000 -5,100,000 9,100,000 500,000 -500,000 -3,900,000 10,000,000 3,600,000 
          operating lease liabilities
        		-3,500,000 -1,300,000 1,700,000 -2,100,000 -200,000 -4,400,000 1,000,000 -4,700,000 -6,300,000 10,700,000 -4,000,000 -5,400,000 -3,500,000 -400,000 -6,900,000 -4,800,000 -3,300,000 -1,100,000 9,800,000 -2,900,000 -3,600,000 -900,000 -1,600,000 -1,200,000 -3,500,000 -2,300,000 -4,600,000                 
          accrued expenses and other current and non-current liabilities
        		6,400,000 -3,000,000 24,800,000 -6,500,000 4,600,000 -10,200,000 -9,700,000 -20,300,000 -2,800,000 1,200,000 5,800,000 -9,400,000 -12,900,000 19,700,000 17,400,000 -300,000 -5,700,000 7,000,000 3,100,000 -8,600,000 6,300,000 -6,500,000 16,300,000 -2,500,000 -10,600,000 -13,400,000 6,200,000 -16,700,000 24,800,000 6,600,000 -3,800,000 -1,000,000 -2,200,000 16,300,000 -1,200,000 -8,900,000 2,600,000 10,900,000 1,600,000    1,600,000 
          net cash from operating activities
        		203,800,000 126,700,000 57,900,000 64,000,000 -1,600,000 24,300,000 39,600,000 35,500,000 -7,000,000 -1,500,000 -2,300,000 49,200,000 14,900,000 94,900,000 20,800,000 114,300,000 76,600,000 206,500,000 61,900,000 124,200,000 381,300,000 128,500,000 104,700,000 122,700,000 151,800,000 162,300,000 87,500,000 127,700,000 42,800,000 102,400,000 57,200,000 37,600,000 95,100,000 105,100,000 9,700,000 13,100,000 16,400,000 19,200,000 36,300,000 13,100,000 20,500,000 42,400,000 10,600,000 
          investing activities:
        		                                           
          payments for acquisition of property, plant and equipment
        		-124,700,000 -83,600,000 -76,200,000 -53,900,000 -62,800,000 -40,200,000 -74,100,000 -24,600,000 -19,600,000 -31,000,000 -57,800,000 -36,300,000 -29,400,000 -39,900,000 -22,900,000 -28,600,000 -18,600,000 -26,100,000 -17,900,000 -18,400,000 -15,900,000 -24,200,000 -26,300,000 -21,100,000 -17,500,000 -25,700,000 -21,700,000 -85,500,000 -26,600,000 -24,300,000 -29,600,000             
          payment for acquisition of business
        		                                           
          proceeds from sale of facility, net of cash and selling costs
        		   0                                        
          purchases of short-term investments
        		-121,700,000 -199,200,000 -58,300,000 -85,700,000 -89,800,000 -126,500,000 -63,900,000 -60,000,000 -34,400,000 -35,200,000 -149,100,000 -309,500,000 -393,000,000 -248,300,000 -79,500,000 -138,300,000 -298,800,000 -392,100,000 -255,900,000 -475,300,000 -563,500,000 -460,700,000 -491,500,000 -648,500,000 -641,500,000 0 -51,300,000 -73,600,000 -96,000,000 -94,200,000 -5,900,000 -49,200,000 -178,000,000 -178,800,000 -228,300,000         
          proceeds from maturities and sales of short-term investments
        		63,000,000 51,300,000 66,700,000 80,200,000 157,800,000 136,000,000 90,700,000 57,100,000 344,700,000 372,000,000 227,700,000 274,700,000 370,400,000 184,400,000 316,600,000 309,600,000 323,800,000 189,200,000 151,000,000 667,700,000 572,100,000 419,100,000 403,300,000 158,600,000 107,900,000 61,300,000 95,700,000 79,200,000 70,300,000 56,400,000 45,700,000 251,200,000 83,100,000 137,400,000 128,800,000         
          proceeds from the sales of property, plant and equipment
        		39,500,000    100,000 0 200,000  600,000    0    400,000 100,000 5,900,000                         
          net cash from investing activities
        		-181,900,000 -231,400,000 -67,800,000 -59,400,000 53,100,000 -30,700,000 -47,100,000 -27,500,000 290,300,000 -394,900,000 17,800,000 -70,900,000 -52,000,000 -104,500,000 -646,600,000 142,700,000 -23,200,000 -228,900,000 -116,900,000 197,300,000 -7,300,000 -75,000,000 -114,000,000 -509,800,000 -535,700,000 36,100,000 21,700,000 -54,400,000 -52,900,000 -681,900,000 9,500,000 181,700,000 -117,600,000 -58,600,000 -132,500,000 -320,600,000 -40,800,000 -35,400,000 -28,900,000 -18,600,000 -27,700,000 -21,800,000 -13,900,000 
          financing activities:
        		                                           
          proceeds from issuance of series a convertible preferred stock
        		                                           
          proceeds from the issuance of 2032 notes, net of issuance costs
        		0 -1,000,000 1,255,700,000                                         
          proceeds from term loans
        		0   0 0 0 76,500,000                                     
          proceeds from employee stock plans
        		500,000   7,800,000 200,000   7,100,000 0   8,500,000 900,000   6,900,000 0   7,100,000 0   5,000,000 0   4,600,000 0   4,800,000 0   4,400,000        
          payment for partial repurchase of 2026 notes
        		0 0 -843,100,000                                         
          payment for 2032 notes capped call options
        		                                           
          payment of withholding taxes related to net share settlement of restricted stock units
        		-56,800,000 -60,000,000 -47,400,000 -5,400,000 -12,500,000 -7,800,000 -16,000,000 -3,400,000 -4,500,000 -3,200,000 -12,900,000 -3,800,000 -6,700,000 -4,300,000 -22,400,000  -7,900,000 -8,300,000 -16,600,000                         
          principal payments on term loans
        		-4,100,000 -2,500,000 -2,600,000 -2,700,000 -2,500,000 -2,500,000 -400,000                                     
          payment for financing costs related to revolving credit facility
        		-400,000                                           
          payment for conversions of convertible notes
        		-700,000                                           
          payment of acquisition related holdback
        		   0 0 0 -1,000,000                     0 0 0 -1,000,000             
          net cash from financing activities
        		1,938,200,000 -10,500,000 262,100,000 -300,000 -14,800,000 -3,100,000 60,000,000 3,700,000 -327,600,000 4,100,000 -12,900,000 331,500,000 -5,800,000 -3,600,000 -59,100,000 -97,100,000 524,900,000 -36,600,000 -108,300,000 -234,900,000 -7,600,000 -1,700,000 -19,200,000 -3,700,000 -12,300,000 347,600,000 -2,800,000 1,000,000 -2,900,000 491,600,000 -4,600,000 1,900,000 -2,800,000 4,400,000 300,000 2,000,000 445,700,000 6,700,000 2,300,000 5,000,000 1,300,000 -600,000 130,700,000 
          increase in cash and cash equivalents
        		1,960,100,000 -115,200,000 252,200,000 4,300,000 36,700,000      2,600,000 309,800,000    159,900,000 578,300,000   86,600,000 366,400,000 51,800,000 -28,500,000   546,000,000 106,400,000   -88,100,000 62,100,000 220,500,000   -122,100,000 -305,000,000 422,000,000 -10,900,000 9,700,000 -100,000 -4,700,000 19,800,000 127,600,000 
          cash and cash equivalents at beginning of period
        		0 0 520,700,000 0 0 0 436,700,000 0 0 0 859,000,000 0 0 0 1,290,200,000 0 0 0 774,300,000 0 0 0 298,000,000 0 0 0 432,600,000 0 0 0 397,300,000 0 0 0 272,900,000 0 0 0 157,100,000 0 0 0 14,500,000 
          cash and cash equivalents at end of period
        		1,960,100,000 -115,200,000 772,900,000 4,300,000 36,700,000 -9,500,000 489,200,000 11,700,000 -44,300,000 -392,300,000 861,600,000  -42,900,000 -13,200,000 605,300,000 159,900,000 578,300,000 -59,000,000 611,000,000   51,800,000 269,500,000   546,000,000 539,000,000 74,300,000 -13,000,000 -88,100,000 459,400,000 220,500,000 -25,300,000 51,300,000 150,800,000 -305,000,000 422,000,000 -10,900,000 166,800,000 -100,000 -4,700,000 19,800,000 142,100,000 
          supplemental disclosure of cash flow information:
        		                                           
          cash paid for taxes
        		   10,100,000    8,700,000 30,300,000 3,700,000 18,500,000  27,900,000 9,200,000 29,300,000  17,800,000 -300,000 36,300,000   18,500,000 2,000,000    1,100,000 5,400,000 2,900,000 100,000 300,000 1,200,000 10,800,000 400,000 300,000  5,700,000       
          cash paid for interest
        		  100,000   9,400,000 100,000  500,000 9,300,000 600,000  600,000 4,800,000 600,000   2,600,000 600,000   2,600,000 600,000    4,800,000   100,000 600,000 100,000 600,000 0 600,000         
          supplemental disclosure of non-cash investing and financing activities:
        		                                           
          right-of-use assets obtained in exchange for new operating lease liabilities
        		      3,700,000       0 19,400,000   1,900,000 10,500,000                         
          net transfer of assets from property, plant, and equipment to assets held-for-sale
        		                                           
          holdback receivable from sale of property, plant and equipment
        		                                           
          bad debt recovery
        		 0 -100,000                                         
          change in valuation allowance on deferred tax assets
        		 1,700,000 -300,000                                         
          amortization of debt discount and debt issuance costs
        		 1,100,000 800,000 700,000 800,000 800,000 700,000 800,000 4,100,000 4,800,000 4,900,000 6,400,000 6,000,000 6,200,000 5,700,000 23,800,000 17,800,000 15,500,000 15,300,000 16,300,000 14,800,000 14,700,000 14,400,000 14,300,000 14,000,000 6,400,000 4,900,000                 
          prepayments and other current and non-currents assets
        		 -25,000,000 -2,400,000 -13,400,000 -6,700,000 1,600,000 -16,600,000 18,500,000 5,800,000 -1,000,000 7,300,000 4,400,000 5,300,000 -12,000,000 -1,900,000 -6,100,000 -900,000 -3,400,000 -3,900,000 800,000 4,200,000 -2,100,000 -7,700,000 800,000 11,700,000 6,300,000 -1,500,000 -200,000 100,000 -5,400,000 -5,300,000 4,200,000 6,100,000 1,600,000 -5,800,000     -1,700,000 -5,800,000 1,200,000 -6,400,000 
          payment for 2032 capped call options
        		 0 -102,000,000                                         
          loss on sales and dispositions of property, plant and equipment
        		  400,000 0 4,400,000 600,000 200,000 1,400,000 -200,000 0 1,400,000 1,100,000 300,000 6,900,000 300,000  700,000 300,000 -5,300,000                         
          proceeds from the exercise of stock options
        		  1,500,000    900,000             0 100,000 0 100,000 200,000 200,000   300,000    0 0 0 1,700,000 200,000 400,000 300,000 2,500,000 100,000 1,600,000 100,000 100,000 
          cash paid (refund) for taxes
        		  3,200,000   -2,700,000 -4,200,000                                     
          amortization and write-off of acquired intangible assets
        		                                           
          amortization of inventory fair value adjustment in connection with acquisition
        		           0 3,600,000 9,600,000 4,600,000                             
          gain on repurchase of convertible notes
        		                                           
          other non-cash income
        		                        -2,200,000                   
          acquisition of businesses, net of cash acquired
        		       0 0   0 0 -800,000 -860,800,000                             
          payment for acquisition of intangible assets
        		                                           
          proceeds from the sales of property and equipment
        		                                           
          proceeds from the issuance of 2029 notes, net of issuance costs
        		                                           
          payment, repurchase and conversion of 2024 notes
        		                                           
          repurchase of common stock
        		           -139,800,000 0 0 -35,800,000 -95,300,000 -322,000,000 -34,900,000 -91,700,000     0 0                   
          supplemental disclosure of non-cash transactions:
        		                                           
          unpaid property, plant and equipment in accounts payable and accrued expenses
        		      15,900,000  4,200,000 3,900,000 4,200,000  -6,200,000 3,800,000 12,600,000   1,300,000 5,800,000   -4,200,000 11,100,000    16,400,000    18,800,000 6,700,000 -3,900,000 1,800,000 12,600,000         
          settlement of loan to neophotonics
        		             0 50,000,000                             
          2029 notes issuance costs in current liabilities
        		                                           
          unpaid intangible assets in accrued expense
        		                                           
          share-based purchase price consideration in connection with the cloud light acquisition
        		                                           
          net loss
        		    -44,100,000 -60,900,000 -82,400,000  -127,000,000 -99,100,000 -67,900,000                            -3,400,000     
          adjustments to reconcile net loss to net cash from operating activities:
        		                                           
          amortization of inventory fair value adjustment in connection with acquisitions
        		                                           
          payments for acquisition of intangible assets
        		        -1,000,000 0 -3,000,000                                 
          payment of 0.25% convertible notes due 2024
        		                                           
          unpaid intangible assets in accrued expenses
        		         0 2,000,000                                 
          decrease in cash and cash equivalents
        		      52,500,000  -44,300,000     -13,200,000 -684,900,000    -163,300,000                         
          other non-cash expenses
        		                          -300,000     100,000 100,000 100,000 100,000         
          term loan funding provided to neophotonics
        		               0                            
          proceeds from the issuance of 2028 notes, net of issuance costs
        		                                           
          repayment of term loan
        		           0 0 -5,000,000 -900,000         0 0   -1,200,000                
          write-off of in-process research and development intangible assets
        		                                           
          amortization of acquired intangibles
        		        42,100,000 37,600,000 29,000,000  30,000,000 36,100,000 32,200,000 21,200,000 21,400,000 21,500,000 21,400,000 22,100,000 22,000,000 20,900,000 20,700,000 21,200,000 20,000,000 18,600,000 18,800,000 16,900,000 31,700,000               
          unpaid portion of acquisition purchase price
        		              800,000                             
          gain on sale of product lines
        		                   0    -700,000                    
          payment for asset acquisitions
        		                                           
          proceeds from sale of product lines
        		                   0 0 800,000 500,000 1,200,000                    
          repurchase and conversion of 2024 notes
        		                                           
          principal payments on finance leases
        		                   -100,000 -100,000 -100,000 -200,000 -3,300,000 -3,400,000 -3,000,000 -2,800,000                 
          proceeds from the issuance of 0.50% convertible notes due 2028, net of issuance costs
        		                                           
          repurchase of common stock pending settlement
        		                  5,100,000                         
          loss on early extinguishment of debt
        		                       0 0                   
          impairment and losses on sale of property, plant and equipment
        		                                           
          payment for asset acquisition
        		                   0 0   0 -1,000,000 -2,000,000 -1,000,000 0 -600,000 0 -700,000             
          proceeds from issuance of 2028 notes, net of issuance costs
        		                                           
          proceeds from issuance of 2026 notes, net of issuance costs
        		                                           
          tax payments related to restricted stock
        		                   -5,900,000 -7,600,000 -7,100,000 -19,100,000 -5,400,000    0 0               
          payment for conversions of 2024 notes
        		                                           
          other non-cash expense
        		                2,900,000 3,300,000 3,300,000  3,500,000 2,800,000 1,000,000                     
          supplemental disclosure of cash flow information and non-cash transactions:
        		                                           
          unrealized gain on derivative liability
        		                                          -2,200,000 
          impairment and other losses on property, plant and equipment
        		                                           
          amortization of inventory fair value adjustment in connection with oclaro acquisition
        		                       0 1,500,000 2,100,000 2,200,000 38,800,000 14,500,000               
          payment for oclaro acquisition, net of cash acquired
        		                            0               
          proceeds from the issuance of convertible notes due 2026, net of issuance costs
        		                                           
          payment of dividends - series a preferred stock
        		                           0 0 -300,000 -400,000             
          proceeds from term loan, net of issuance costs
        		                                           
          effect of exchange rates on cash and cash equivalents
        		                           0 0   -700,000 0 400,000 400,000 500,000 700,000   200,000   200,000 
          issuance of common stock upon conversion of series a preferred stock
        		                                           
          net transfer of assets from property plant and equipment to assets held-for-sale
        		                                           
          issuance of common stock and replacement awards in connection with oclaro acquisition
        		                                           
          loss and impairment charges on property, plant and equipment
        		                                           
          proceeds from the issuance of 0.50% convertible notes due 2026, net of issuance costs
        		                       -200,000 -500,000                   
          cash, cash equivalents, and restricted cash at end of period
        		                                           
          reconciliation of cash, cash equivalents, and restricted cash, reported within the condensed consolidated balance sheets to the total amounts reported on the condensed consolidated statements of cash flows:
        		                                           
          cash and cash equivalents
        		                                           
          restricted cash
        		                                           
          total cash, cash equivalents, and restricted cash at end of period
        		                                           
          loss on disposal of property, plant and equipment
        		                     3,800,000 900,000   2,900,000 1,800,000                 
          unrealized loss on derivative liability
        		                           0 0 -10,900,000 2,100,000   -7,900,000 -4,200,000   -4,800,000 22,700,000 -4,400,000 4,800,000   
          release of valuation allowance
        		                               0 0           
          equipment acquired under finance lease
        		                                           
          increase in cash, cash equivalents, and restricted cash
        		                                           
          proceeds from deposit related to sale of product lines
        		                                           
          amortization of operating lease right-of-use assets
        		                          3,300,000                 
          payment of debt issuance costs
        		                              -900,000             
          excess tax benefit associated with stock-based compensation
        		                                   1,400,000 -2,300,000       
          impairment charges
        		                                           
          amortization of discount on 0.25% convertible notes due 2024
        		                           4,500,000                
          amortization of debt issuance costs on term loan
        		                                           
          amortization of favorable/unfavorable leases
        		                           200,000                
          acquisition of business, net of cash acquired
        		                                           
          proceeds from the issuance of 0.25% convertible senior notes due 2024, net of issuance costs
        		                                   -900,000        
          proceeds from term loan, net of debt issuance costs
        		                           0 -200,000               
          repayment of capital lease obligations
        		                                           
          equipment acquired under capital lease
        		                               0 0 7,100,000 8,500,000         
          impairment charges and others
        		                                           
          amortization of deferred debt issuance cost on term loan
        		                            300,000               
          others
        		                                           
          repayment of capital lease obligation
        		                            -1,500,000 -2,300,000 -2,300,000 -2,900,000 -2,300,000 0 -1,200,000         
          increase in cash and cash equivalents, including cash classified within assets held-for-sale
        		                                           
          amortization of discount on convertible notes
        		                                           
          amortization of acquired developed technologies
        		                              800,000   800,000 800,000         
          amortization of discount on 0.25% convertible senior notes due 2024
        		                              4,300,000 4,300,000 4,200,000 4,100,000 4,100,000         
          unrealized loss on derivative liabilities
        		                               -7,800,000            
          amortization of acquired developed technologies and other intangibles
        		                               800,000            
          net transfers from viavi
        		                                        0 -700,000 132,900,000 
          payment of financing obligation related to acquisition
        		                                       0 0 0 -2,300,000 
          accretion of series a preferred stock
        		                                       0 0   
          loss on retirement of equipment
        		                                100,000           
          purchase of property, plant and equipment
        		                                -22,700,000 -17,200,000 -33,000,000 -38,100,000 -35,700,000 -35,400,000 -28,900,000 -18,600,000 -27,700,000 -21,800,000 -13,900,000 
          payment of dividends - preferred stock
        		                                -500,000 0 -200,000 -300,000 -200,000       
          issuance costs in current liabilities
        		                                           
          deferred taxes
        		                                  -3,500,000 26,400,000 -400,000 600,000 200,000 -1,500,000 -600,000 200,000 200,000 
          income taxes payable
        		                                   900,000 13,200,000 3,100,000 -1,300,000 -100,000 -2,100,000   
          amortization of acquired technologies and other intangibles
        		                                   1,400,000 1,800,000 1,800,000 1,800,000 1,800,000 1,800,000 1,800,000 1,800,000 
          disposal of property, plant and equipment
        		                                       0 100,000 300,000 200,000 
          net transfers from (to) viavi
        		                                           
          amortization of discount and issuance costs on 0.25% convertible senior notes due 2024
        		                                           
          accretion of preferred series stock to redemption value
        		                                           
          unpaid property, plant and equipment in accounts payable
        		                                           
          espp shares issued
        		                                           
          unpaid property, plant and equipment in accounts payable and accrued liabilities
        		                                           
          payment of dividends on series a preferred stock
        		                                      -200,000     
          issuance of common stock under employee stock plan
        		                                           
          non-cash financing activities:
        		                                           
          cumulative dividends on series a preferred stock
        		                                       200,000 300,000   
          accrued expenses, other current and non-current liabilities
        		                                        200,000   
          payment of dividends
        		                                           
          other non-cash incomes
        		                                           
          changes in operating assets and liabilities, net of impact of acquisitions of businesses and dispositions of assets:
        		                                           
          other current and non-currents assets
        		                                           
          capital expenditures
        		-124,700,000 -83,600,000 -76,200,000 -53,900,000 -62,800,000 -40,200,000 -74,100,000 -24,600,000 -19,600,000 -31,000,000 -57,800,000 -36,300,000 -29,400,000 -39,900,000 -22,900,000 -28,600,000 -18,600,000 -26,100,000 -17,900,000 -18,400,000 -15,900,000 -24,200,000 -26,300,000 -21,100,000 -17,500,000 -25,700,000 -21,700,000 -85,500,000 -26,600,000 -24,300,000 -29,600,000 0 -22,700,000 -17,200,000 -33,000,000 -38,100,000 -35,700,000 -35,400,000 -28,900,000 -18,600,000 -27,700,000 -21,800,000 -13,900,000 
          free cash flows
        		79,100,000 43,100,000 -18,300,000 10,100,000 -64,400,000 -15,900,000 -34,500,000 10,900,000 -26,600,000 -32,500,000 -60,100,000 12,900,000 -14,500,000 55,000,000 -2,100,000 85,700,000 58,000,000 180,400,000 44,000,000 105,800,000 365,400,000 104,300,000 78,400,000 101,600,000 134,300,000 136,600,000 65,800,000 42,200,000 16,200,000 78,100,000 27,600,000 37,600,000 72,400,000 87,900,000 -23,300,000 -25,000,000 -19,300,000 -16,200,000 7,400,000 -5,500,000 -7,200,000 20,600,000 -3,300,000 
          proceeds from the sale of property and equipment