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Allegion plc
(NYSE:ALLE) 

ALLE stock logo

Allegion plc manufactures and sells mechanical and electronic security products and solutions worldwide. The company offers door closers and controls; doors and door systems; electronic security products; electronic, biometric, and mobile access control systems; exit devices; locks, locksets, portab...

Founded: 1908
Full Time Employees: 11,000
Sector: Industrials
Industry: Security & Protection Services
Security ServicesIndustrials
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• Market Cap:
• Exchange:
• Shs Outstanding:
• Employees:
• Beta:
• Return on Equity (ROE) ttm:
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At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 
                                                      
      net revenues
    		1,033,600,000 1,033,200,000 1,070,200,000 1,022,000,000 941,900,000 945,600,000 967,100,000 965,600,000 893,900,000 897,400,000 917,900,000 912,500,000 923,000,000 861,500,000 913,700,000 773,100,000 723,600,000 709,200,000 717,000,000 746,900,000 694,300,000 727,300,000 728,400,000 589,500,000 674,700,000 719,500,000 748,300,000 731,200,000 655,000,000 702,400,000 711,500,000 704,700,000 613,100,000 623,100,000 609,400,000 627,000,000 548,800,000 569,700,000 581,100,000 584,900,000 502,300,000 545,400,000 544,500,000 519,500,000 458,700,000 573,500,000 546,700,000 531,500,000 472,500,000  
      cost of goods sold
    		579,100,000 573,700,000 580,400,000 555,500,000 519,400,000 528,900,000 535,000,000 537,300,000 502,500,000 512,100,000 514,600,000 510,600,000 532,000,000 510,800,000 545,700,000 458,100,000 434,900,000 422,700,000 416,500,000 426,400,000 396,900,000 407,400,000 409,200,000 342,900,000 381,600,000 400,300,000 412,800,000 410,500,000 378,100,000 401,900,000 402,100,000 399,100,000 355,300,000 348,200,000 335,500,000 346,000,000 308,000,000 331,600,000 317,600,000 317,500,000 286,000,000 325,200,000 304,500,000 297,700,000 271,600,000 374,000,000 310,600,000 305,200,000 280,600,000  
      selling and administrative expenses
    		259,200,000 249,900,000 256,000,000 246,800,000 226,100,000 232,100,000 217,100,000 219,300,000 219,300,000 218,100,000 210,200,000 217,300,000 220,000,000 191,300,000 205,100,000 167,900,000 171,700,000 171,400,000 162,100,000 175,100,000 166,100,000 161,500,000 156,200,000 150,100,000 167,900,000 175,900,000 167,400,000 175,000,000 168,900,000 159,100,000 167,100,000 162,200,000 159,100,000 145,700,000 147,800,000 146,900,000 142,000,000 140,900,000 142,000,000 143,100,000 133,800,000 138,700,000 129,600,000 126,100,000 116,100,000 135,900,000 130,500,000 136,600,000 125,100,000  
      operating income
    		195,300,000 209,600,000 233,800,000 219,700,000 196,400,000 184,600,000 215,000,000 209,000,000 172,100,000 159,700,000 193,100,000 184,600,000 171,000,000 159,400,000 162,900,000 147,100,000 117,000,000 115,100,000 138,400,000 145,400,000 131,300,000 117,700,000 160,400,000 96,500,000 28,900,000 143,300,000 168,100,000 145,700,000 108,000,000 141,400,000 142,300,000 143,400,000 98,700,000 129,200,000 126,100,000 134,100,000 98,800,000 97,200,000 121,500,000 124,300,000 82,500,000 81,500,000 110,400,000 95,700,000 71,000,000 63,600,000 105,600,000 89,700,000 66,800,000  
      yoy
    		-0.56% 13.54% 8.74% 5.12% 14.12% 15.59% 11.34% 13.22% 0.64% 0.19% 18.54% 25.49% 46.15% 38.49% 17.70% 1.17% -10.89% -2.21% -13.72% 50.67% 354.33% -17.86% -4.58% -33.77% -73.24% 1.34% 18.13% 1.60% 9.42% 9.44% 12.85% 6.94% -0.10% 32.92% 3.79% 7.88% 19.76% 19.26% 10.05% 29.89% 16.20% 28.14% 4.55% 6.69% 6.29%      
      qoq
    		-6.82% -10.35% 6.42% 11.86% 6.39% -14.14% 2.87% 21.44% 7.76% -17.30% 4.60% 7.95% 7.28% -2.15% 10.74% 25.73% 1.65% -16.84% -4.81% 10.74% 11.55% -26.62% 66.22% 233.91% -79.83% -14.75% 15.37% 34.91% -23.62% -0.63% -0.77% 45.29% -23.61% 2.46% -5.97% 35.73% 1.65% -20.00% -2.25% 50.67% 1.23% -26.18% 15.36% 34.79% 11.64% -39.77% 17.73% 34.28%   
      interest expense
    		24,200,000 25,100,000 26,600,000 24,600,000 24,700,000 25,200,000 28,800,000 25,100,000 22,900,000 22,900,000 22,900,000 23,700,000 23,600,000 23,700,000 23,100,000 17,200,000 11,900,000 13,200,000 12,300,000 12,400,000 12,300,000 12,300,000 12,900,000 13,000,000 12,900,000 13,300,000 15,600,000 13,400,000 13,700,000 13,700,000 14,000,000 13,400,000 12,900,000 56,000,000 17,800,000 16,100,000 15,900,000 15,900,000 15,600,000 16,500,000 16,300,000 16,300,000 13,700,000 11,300,000 11,600,000 15,500,000 12,700,000 12,500,000 13,100,000  
      other income
    		-400,000 600,000 -1,700,000 -5,300,000 -3,500,000   -5,100,000 -3,700,000   -1,600,000 -300,000 -4,500,000 -1,500,000 -3,400,000 -2,200,000 -5,350,000 -14,700,000 -3,200,000         -1,100,000 500,000 -1,900,000 -1,600,000    -5,200,000               
      earnings before income taxes
    		171,500,000 183,900,000 208,900,000 200,400,000 175,200,000 162,300,000 194,600,000 189,000,000 152,900,000 136,900,000 170,100,000 162,500,000 147,700,000 140,200,000 133,700,000 133,300,000 107,300,000 124,500,000 140,800,000 136,200,000 122,500,000 105,800,000 159,700,000 87,900,000 12,000,000 97,700,000 150,500,000 131,600,000 95,400,000 127,200,000 130,200,000 131,600,000 86,200,000 78,200,000 112,000,000 123,200,000 82,300,000 82,500,000 21,100,000 116,400,000 75,000,000 75,800,000 -6,800,000 84,000,000 56,300,000 40,400,000 94,900,000 78,200,000 53,900,000  
      provision for income taxes
    		33,400,000 36,400,000 20,500,000 40,700,000 27,000,000 18,200,000 20,400,000 33,600,000 29,100,000 18,300,000 13,700,000 20,500,000 24,100,000 4,800,000 19,100,000 18,100,000 14,200,000 11,800,000 -2,800,000 17,400,000 14,300,000 12,400,000 12,800,000 14,200,000 11,500,000 17,000,000 18,800,000 22,200,000 15,100,000 -5,700,000 14,100,000 17,600,000 13,800,000 66,100,000 21,900,000 17,400,000 13,600,000 7,500,000 19,100,000 21,000,000 16,200,000 3,800,000 19,400,000 19,000,000 12,400,000      
      net earnings
    		138,100,000 147,500,000 188,400,000 159,700,000  144,100,000 174,200,000 155,400,000 123,800,000 118,600,000 156,400,000 142,000,000 123,600,000 135,400,000 114,600,000 115,200,000 93,100,000 112,700,000 143,600,000 118,800,000 108,200,000 93,400,000 146,900,000 73,700,000 500,000 80,700,000 131,700,000 109,400,000 80,300,000 132,900,000 116,100,000 114,000,000 72,400,000 12,100,000 90,100,000 105,800,000 68,700,000 75,000,000 2,000,000 95,400,000 58,800,000 72,000,000 -26,400,000 65,000,000 43,700,000 22,600,000 65,600,000 47,000,000 37,400,000  
      yoy
    		 2.36% 8.15% 2.77%  21.50% 11.38% 9.44% 0.16% -12.41% 36.47% 23.26% 32.76% 20.14% -20.19% -3.03% -13.96% 20.66% -2.25% 61.19% 21540.00% 15.74% 11.54% -32.63% -99.38% -39.28% 13.44% -4.04% 10.91% 998.35% 28.86% 7.75% 5.39% -83.87% 4405.00% 10.90% 16.84% 4.17% -107.58% 46.77% 34.55% 218.58% -140.24% 38.30% 16.84%      
      qoq
    		-6.37% -21.71% 17.97%   -17.28% 12.10% 25.53% 4.38% -24.17% 10.14% 14.89% -8.71% 18.15% -0.52% 23.74% -17.39% -21.52% 20.88% 9.80% 15.85% -36.42% 99.32% 14640.00% -99.38% -38.72% 20.38% 36.24% -39.58% 14.47% 1.84% 57.46% 498.35% -86.57% -14.84% 54.00% -8.40% 3650.00% -97.90% 62.24% -18.33% -372.73% -140.62% 48.74% 93.36% -65.55% 39.57% 25.67%   
      earnings per share:
    		                                                  
      basic net earnings
    		1.6 1.44 2.19 1.86 1.72 1.298 2 1.78 1.41 1.2 1.78 1.62 1.4 0.918 1.3 1.31 1.05 1.028 1.6 1.32 1.19 0.598 1.59 0.8  0.855 1.41 1.17 0.85 0.795 1.22 1.2 0.76 0.693 0.95 1.11 0.72              
      diluted net earnings
    		1.59 1.433 2.18 1.85 1.71 1.29 1.99 1.77 1.41 1.195 1.77 1.61 1.4 0.913 1.3 1.3 1.05 1.02 1.59 1.31 1.18 0.595 1.58 0.8  0.85 1.4 1.16 0.84 0.788 1.21 1.19 0.75 0.688 0.94 1.1 0.71              
      weighted-average shares outstanding:
    		                                                  
      basic
    		86.1  85.9 86 86.3  87.1 87.3 87.6  87.9 87.9 88  87.9 87.9 88.2  89.7 90 90.7  92.3 92.3 92.7  93.3 93.8 94.5  95.1 95 95.1  95 95.2 95.3  96 95.8 95.9  95.9 95.8 95.9  95.9 96.3 96.3  
      diluted
    		86.6  86.5 86.4 86.7  87.6 87.7 88.1  88.2 88.3 88.4  88.2 88.2 88.6  90.3 90.6 91.2  92.7 92.7 93.3  94 94.5 95.1  95.8 95.6 95.8  95.8 95.9 96.1  96.9 96.8 96.9  95.9 96.7 96.9  96.9 97.3 97.4  
      total comprehensive income
    		116.2 153.375 178.3 250.4  116.4 215.5 150.3 99.8 102.75 127.2 149.9 133.9 45.95 46.3 65.4 72.1 81.675 121.2 129.3 76.2 58.2 171.4 94.3 -32.9 67.725 90.8 114.5 65.6 66.325 103.3 62.5 99.5 86.875 112.7 153.1 81.7 43.025 16.2 69 86.9 13.675 -29.1 70.5 13.3 29.15 40.5 52.7 23.4  
      net earnings attributable to allegion plc
    		    148,200,000 144,100,000 174,200,000 155,400,000 123,800,000 118,600,000 156,300,000 142,000,000 123,500,000 135,300,000 114,600,000 115,100,000 93,000,000 112,800,000 143,500,000 118,700,000 108,000,000 93,300,000 146,900,000 73,700,000 400,000 80,700,000 131,600,000 109,300,000 80,200,000 132,800,000 116,000,000 113,900,000 72,200,000 9,600,000 89,800,000 105,500,000 68,400,000 74,800,000 1,600,000 95,000,000 57,700,000 71,900,000 -27,300,000 63,900,000 45,400,000 35,800,000 60,300,000 43,500,000 35,600,000  
      earnings per share attributable to allegion plc ordinary shareholders:
    		                                                  
      total comprehensive income attributable to allegion plc
    		    184.8 61.8 215.5 150.3 99.8 153.8 126.4 150.8 133.7 182 46.7 65.9 72 119.4 121.2 129.1 76 143 171.1 94.1 -32.4 135.1 91.7 115 64.9 107.1 103.9 64.7 98.3 86.375 111.9 152.4 81.2 42.425 16 69.4 84.3 13.9 -28.8 69.4 15 26.625 34.8 49.3 22.4  
      other expense
    		     -4,300,000 -8,400,000   -450,000 100,000          -3,500,000 -400,000 -12,200,000 -4,400,000 4,000,000 2,200,000 2,000,000 700,000     -400,000 -2,050,000 -3,700,000  600,000 -1,200,000 400,000 -8,600,000 -8,800,000 -8,100,000 -3,200,000 400,000       
      less: net earnings attributable to noncontrolling interests
    		          100,000  100,000 100,000  100,000 100,000 -100,000 100,000 100,000 200,000 100,000   100,000  100,000 100,000 100,000 100,000 100,000 100,000 200,000 2,500,000 300,000 300,000 300,000 200,000 400,000 400,000 1,100,000 100,000 900,000 1,100,000 -1,700,000 -13,200,000 5,300,000 3,500,000 1,800,000  
      less: total comprehensive income attributable to noncontrolling interests
    		         0.1 0.8  0.2 0.4 -0.4 -0.5 0.1   0.2 0.2  0.3 0.2 -0.5   -0.5 0.7 2.5 -0.6 -2.2 1.2 0.5 0.8 0.7 0.5 0.6 0.2 -0.4 2.6 -0.225 -0.3 1.1 -1.7 2.525 5.7 3.4 -1  
      less: total comprehensive loss attributable to noncontrolling interests
    		           -0.9              -0.175 -0.9                        
      loss on divestitures
    		              7,600,000                        84,400,000   -2,500,000 106,700,000        
      impairment of goodwill and intangible assets
    		                     2,800,000 2,600,000                            
      weighted-average shares outstanding
    		                                                  
      basic
    		86.1  85.9 86 86.3  87.1 87.3 87.6  87.9 87.9 88  87.9 87.9 88.2  89.7 90 90.7  92.3 92.3 92.7  93.3 93.8 94.5  95.1 95 95.1  95 95.2 95.3  96 95.8 95.9  95.9 95.8 95.9  95.9 96.3 96.3  
      diluted
    		86.6  86.5 86.4 86.7  87.6 87.7 88.1  88.2 88.3 88.4  88.2 88.2 88.6  90.3 90.6 91.2  92.7 92.7 93.3  94 94.5 95.1  95.8 95.6 95.8  95.8 95.9 96.1  96.9 96.8 96.9  95.9 96.7 96.9  96.9 97.3 97.4  
      impairment of goodwill and indefinite-lived trade names
    		                        96,300,000                          
      dividends declared per ordinary share
    		                             0.21 0.21 0.21 0.21 0.16 0.16 0.16 0.16 0.12 0.12 0.12 0.12 0.075 0.1 0.1 0.1 0.06 0.08 0.08 0.08  
      earnings from continuing operations
    		                                     75,000,000 2,000,000 95,400,000 58,800,000 72,000,000 -26,200,000 65,000,000 43,900,000 22,800,000 67,700,000 55,100,000 37,600,000  
      discontinued operations, net of tax
    		                                          -200,000  -200,000 -200,000 -2,100,000 -8,100,000 -200,000  
      amounts attributable to allegion plc ordinary shareholders:
    		                                                  
      continuing operations
    		                                     74,800,000 1,600,000 95,000,000 57,700,000 71,900,000 -27,100,000 63,900,000 45,600,000 36,000,000 62,400,000 51,600,000 35,800,000  
      discontinued operations
    		                                          -200,000  -200,000 -200,000 -2,100,000 -8,100,000 -200,000  
      basic:
    		                                                  
      diluted:
    		                                                  
      other loss
    		                                            3,100,000      
      goodwill impairment charge
    		                                                  
      other (gain) loss
    		                                             -775,000 -2,000,000 -1,000,000 -200,000  
      benefit from income taxes
    		                                             17,600,000 27,200,000 23,100,000 16,300,000  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 
                                                        
        assets
      		                                                  
        current assets:
      		                                                  
        cash and cash equivalents
      		308,900,000 356,200,000 302,700,000 656,800,000 494,500,000 503,800,000 878,900,000 747,500,000 391,800,000 468,100,000 364,300,000 322,600,000 292,800,000 288,000,000 282,200,000 919,600,000 305,100,000 397,900,000 503,900,000 460,200,000 394,300,000 480,400,000 428,900,000 302,400,000 245,300,000 355,300,000 232,900,000 157,800,000 153,800,000 283,800,000 189,700,000 189,600,000 151,800,000 466,200,000 334,900,000 245,500,000 189,600,000 312,400,000 214,500,000 169,100,000 125,500,000 199,700,000 175,200,000 201,000,000 229,600,000 290,500,000 251,400,000 193,200,000 205,400,000 227,400,000 
        accounts and notes receivable
      		512,300,000 437,700,000 501,000,000 477,400,000 467,200,000 418,900,000 458,800,000 474,100,000 448,000,000 412,800,000 439,700,000 423,200,000 445,000,000 395,600,000 422,500,000 333,300,000 324,300,000 283,300,000 307,400,000 316,900,000 312,600,000 321,800,000 350,900,000 329,200,000 343,100,000 329,800,000 367,500,000 380,000,000 359,600,000 324,900,000 361,400,000 366,000,000 336,400,000 296,600,000 302,800,000 310,900,000 268,900,000 260,000,000 277,100,000 348,300,000 325,800,000 303,400,000 273,100,000 274,700,000 255,800,000 259,900,000 287,300,000 295,600,000 284,100,000 266,100,000 
        inventories
      		537,200,000 519,000,000 524,900,000 479,500,000 443,600,000 423,000,000 449,900,000 444,600,000 448,300,000 438,500,000 468,700,000 483,100,000 472,700,000 479,000,000 477,900,000 428,400,000 402,900,000 380,400,000 345,700,000 310,000,000 289,900,000 283,100,000 289,600,000 293,600,000 275,500,000 269,900,000 293,900,000 304,700,000 296,800,000 280,300,000 278,300,000 265,400,000 271,500,000 239,800,000 257,100,000 247,800,000 238,000,000 220,600,000 228,300,000 225,300,000 216,500,000 204,100,000 216,300,000 205,900,000 184,900,000 179,500,000 180,700,000 174,100,000 167,200,000 155,800,000 
        other current assets
      		64,600,000 48,900,000 75,000,000 63,900,000 56,400,000 46,800,000 74,800,000 49,600,000 50,200,000 32,600,000 47,400,000 46,300,000 42,900,000 40,200,000 53,300,000 71,700,000 45,000,000 26,900,000 45,400,000 57,100,000 51,200,000 28,100,000 49,700,000 50,000,000 54,700,000 29,200,000 32,500,000 37,300,000 33,200,000 19,600,000 37,100,000 31,500,000 42,900,000 17,000,000 29,800,000 35,000,000 45,700,000 22,200,000 82,400,000 85,200,000 42,600,000 17,400,000 56,800,000 55,200,000 56,300,000 26,200,000 61,000,000 72,600,000 73,300,000 23,700,000 
        total current assets
      		1,423,000,000 1,391,800,000 1,403,600,000 1,677,600,000 1,461,700,000 1,422,300,000 1,862,400,000 1,715,800,000 1,338,300,000 1,360,900,000 1,320,100,000 1,275,200,000 1,253,400,000 1,214,600,000 1,235,900,000 1,753,000,000 1,077,300,000 1,117,600,000 1,202,400,000 1,144,200,000 1,048,000,000 1,145,000,000 1,121,000,000 977,100,000 922,000,000 1,001,800,000 933,100,000 883,200,000 850,200,000 931,600,000 873,300,000 852,500,000 802,600,000 1,032,700,000 924,600,000 839,200,000 742,200,000 829,300,000 802,300,000 827,900,000 710,400,000 735,100,000 875,700,000 923,200,000 903,700,000 973,800,000 934,000,000 887,600,000 913,900,000 923,200,000 
        property, plant and equipment
      		450,100,000 444,600,000 424,100,000 410,700,000 396,800,000 385,300,000 384,800,000 370,500,000 362,000,000 358,100,000 334,900,000 329,100,000 319,600,000 308,700,000 290,700,000 278,000,000 280,800,000 283,700,000 278,600,000 286,800,000 285,700,000 294,900,000 293,700,000 292,500,000 289,200,000 291,400,000 281,900,000 281,700,000 275,100,000 276,700,000 273,300,000 272,500,000 277,400,000 252,200,000 246,100,000 241,300,000 232,100,000 226,600,000 226,400,000 227,100,000 226,100,000 224,800,000 227,900,000 207,800,000 206,300,000 211,200,000 212,500,000 210,300,000 208,900,000 203,000,000 
        goodwill
      		1,930,600,000 1,912,400,000 1,901,100,000 1,574,200,000 1,508,200,000 1,489,400,000 1,505,800,000 1,488,300,000 1,436,400,000 1,443,100,000 1,428,100,000 1,439,100,000 1,441,300,000 1,413,100,000 1,373,500,000 781,000,000 796,400,000 803,800,000 808,700,000 810,800,000 807,800,000 819,000,000 790,100,000 777,700,000 773,000,000 873,300,000 860,400,000 878,100,000 878,700,000 883,000,000 878,000,000 857,000,000 878,000,000 761,200,000 755,900,000 745,700,000 724,600,000 716,800,000 736,100,000 728,800,000 727,200,000 714,100,000 823,400,000 527,500,000 498,600,000 506,000,000 509,900,000 517,800,000 507,100,000 504,900,000 
        intangible assets
      		836,500,000 826,000,000 836,400,000 595,700,000 568,800,000 569,000,000 604,800,000 609,800,000 565,800,000 572,800,000 580,300,000 603,600,000 614,800,000 608,900,000 599,700,000 412,100,000 434,000,000 447,500,000 459,800,000 464,200,000 467,400,000 487,100,000 494,300,000 488,900,000 485,300,000 510,900,000 511,700,000 533,600,000 536,300,000 547,100,000 558,400,000 516,400,000 545,800,000 394,300,000 393,200,000 386,800,000 368,200,000 357,400,000 390,000,000 389,900,000 384,500,000 372,400,000 260,300,000 122,500,000 111,700,000 125,700,000 133,100,000 144,900,000 143,500,000 146,100,000 
        other noncurrent assets
      		671,900,000 327,100,000 660,100,000 656,600,000 628,600,000 290,400,000 615,900,000 594,700,000 584,400,000 283,700,000 519,700,000 516,800,000 495,300,000 218,300,000 443,500,000 429,600,000 419,100,000 243,900,000 367,200,000 354,100,000 339,000,000 196,700,000 328,600,000 297,700,000 288,200,000 177,300,000 278,300,000 272,700,000 260,500,000 87,200,000 147,100,000 133,300,000 124,300,000 66,200,000 127,500,000 121,600,000 118,300,000 45,000,000 151,800,000 171,800,000 221,800,000 147,000,000 221,700,000 208,600,000 207,100,000 126,900,000 202,700,000 207,500,000 204,500,000 202,700,000 
        total assets
      		5,312,100,000 5,223,700,000 5,225,300,000 4,914,800,000 4,564,100,000 4,487,800,000 4,973,700,000 4,779,100,000 4,286,900,000 4,311,500,000 4,183,100,000 4,163,800,000 4,124,400,000 3,991,200,000 3,943,300,000 3,653,700,000 3,007,600,000 3,051,000,000 3,116,700,000 3,060,100,000 2,947,900,000 3,069,400,000 3,027,700,000 2,833,900,000 2,757,700,000 2,967,200,000 2,865,400,000 2,849,300,000 2,800,800,000 2,810,200,000 2,730,100,000 2,631,700,000 2,628,100,000 2,542,000,000 2,447,300,000 2,334,600,000 2,185,400,000 2,247,400,000 2,306,600,000 2,345,500,000 2,270,000,000 2,285,300,000 2,409,000,000 1,989,600,000 1,927,400,000 2,015,900,000 1,992,200,000 1,968,100,000 1,977,900,000 1,979,900,000 
        liabilities and equity
      		                                                  
        current liabilities:
      		                                                  
        accounts payable
      		271,700,000 244,800,000 258,300,000 273,000,000 249,300,000 258,000,000 266,700,000 253,600,000 247,500,000 259,200,000 245,700,000 265,200,000 277,800,000 280,700,000 266,400,000 278,400,000 258,400,000 259,100,000 212,400,000 233,000,000 209,800,000 220,400,000 191,100,000 195,500,000 198,700,000 221,000,000 208,800,000 206,500,000 198,300,000 235,000,000 208,000,000 210,200,000 197,500,000 188,300,000 177,700,000 194,600,000 173,100,000 179,900,000 165,100,000 175,700,000 162,300,000 175,100,000 180,200,000 233,800,000 231,500,000 249,500,000 222,900,000 219,800,000 213,600,000 211,300,000 
        accrued expenses and other current liabilities
      		473,800,000 324,000,000 506,100,000 430,600,000 398,100,000 275,400,000 405,900,000 364,300,000 364,700,000 258,200,000 391,500,000 383,000,000 378,100,000 247,900,000 410,200,000 319,400,000 310,500,000 199,900,000 343,100,000 331,000,000 295,700,000 189,400,000 297,800,000 267,400,000 254,600,000 174,700,000 282,300,000 275,500,000 252,000,000 135,000,000 243,900,000 227,700,000 219,300,000 134,600,000 219,500,000 195,300,000 178,300,000 117,800,000 220,000,000 245,400,000 194,700,000 124,900,000 196,300,000 183,400,000 201,200,000 120,400,000 211,000,000 186,900,000 177,400,000 111,600,000 
        short-term borrowings and current maturities of long-term debt
      		300,000 200,000 28,200,000 24,900,000 25,000,000 21,900,000 418,900,000 416,300,000 413,200,000 412,600,000 12,600,000 12,600,000 12,600,000 12,600,000 12,600,000 12,600,000 12,600,000 12,600,000 238,400,000 100,000 100,000 200,000 200,000 800,000 3,400,000 100,000 100,000 35,100,000 35,100,000 35,300,000 35,000,000 35,200,000 35,300,000 35,000,000 35,000,000 46,900,000 47,100,000 48,200,000 47,200,000 48,600,000 49,100,000 65,600,000 59,000,000 61,800,000 49,400,000 49,600,000 30,300,000 30,700,000 70,500,000 71,900,000 
        total current liabilities
      		745,800,000 755,400,000 792,600,000 728,500,000 672,400,000 696,900,000 1,091,500,000 1,034,200,000 1,025,400,000 1,079,700,000 649,800,000 660,800,000 668,500,000 703,600,000 689,200,000 610,400,000 581,500,000 601,200,000 793,900,000 564,100,000 505,600,000 521,500,000 489,100,000 463,700,000 456,700,000 507,000,000 491,200,000 517,100,000 485,400,000 520,800,000 486,900,000 473,100,000 452,100,000 460,800,000 432,200,000 436,800,000 398,500,000 429,600,000 432,300,000 469,700,000 406,100,000 447,100,000 517,200,000 479,000,000 482,100,000 531,300,000 464,200,000 437,400,000 461,500,000 490,500,000 
        long-term debt
      		2,030,400,000 1,979,900,000 2,059,500,000 2,042,300,000 1,972,000,000 1,977,600,000 1,983,200,000 1,988,300,000 1,600,100,000 1,602,400,000 2,005,100,000 2,046,700,000 2,109,300,000 2,081,900,000 2,214,500,000 2,018,100,000 1,426,800,000 1,429,500,000 1,192,500,000 1,430,300,000 1,429,800,000 1,429,400,000 1,428,900,000 1,428,500,000 1,428,000,000 1,427,600,000 1,427,000,000 1,393,100,000 1,401,300,000 1,409,500,000 1,417,700,000 1,425,900,000 1,474,100,000 1,442,300,000 1,412,000,000 1,394,100,000 1,404,800,000 1,415,600,000 1,426,400,000 1,437,100,000 1,446,900,000 1,479,800,000 1,575,900,000 1,190,500,000 1,202,700,000 1,215,000,000 1,249,200,000 1,256,900,000 1,264,400,000 1,272,000,000 
        other noncurrent liabilities
      		434,700,000 210,800,000 426,600,000 357,500,000 312,800,000 175,600,000 328,000,000 331,300,000 310,500,000 173,400,000 296,800,000 315,800,000 302,000,000 119,500,000 246,000,000 245,500,000 254,300,000 87,900,000 262,700,000 278,300,000 281,500,000 100,800,000 282,600,000 261,700,000 259,200,000 76,700,000 260,000,000 275,500,000 276,700,000 28,800,000 226,500,000 224,000,000 240,800,000 23,900,000 231,000,000 234,300,000 227,100,000 32,600,000 292,400,000 295,900,000 339,300,000 63,300,000 287,900,000 247,400,000 241,100,000 71,100,000 272,800,000 285,000,000 280,300,000 75,800,000 
        total liabilities
      		3,210,900,000 3,156,100,000 3,278,700,000 3,128,300,000 2,957,200,000 2,987,100,000 3,402,700,000 3,353,800,000 2,936,000,000 2,993,200,000 2,951,700,000 3,023,300,000 3,079,800,000 3,046,700,000 3,149,700,000 2,874,000,000 2,262,600,000 2,288,600,000 2,249,100,000 2,272,700,000 2,216,900,000 2,236,800,000 2,200,600,000 2,153,900,000 2,143,900,000 2,206,800,000 2,178,200,000 2,185,700,000 2,163,400,000 2,156,200,000 2,131,100,000 2,123,000,000 2,167,000,000 2,136,500,000 2,075,200,000 2,065,200,000 2,030,400,000 2,131,000,000 2,151,100,000 2,202,700,000 2,192,300,000 2,255,600,000 2,381,000,000 1,916,900,000 1,925,900,000 1,997,400,000 1,986,200,000 1,979,300,000 2,006,200,000 2,035,600,000 
        equity:
      		                                                  
        ordinary shares, 0.01 par value
      		900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 900,000 1,000,000 900,000 900,000 1,000,000 1,000,000 900,000 1,000,000 1,000,000 1,000,000 1,000,000  1,000,000    1,000,000    1,000,000 
        capital in excess of par value
      		 34,200,000 25,600,000     1,800,000   11,800,000 5,300,000 19,600,000 13,900,000 9,200,000 5,400,000   2,800,000    6,800,000 1,600,000       12,200,000 5,200,000  9,100,000 5,200,000    16,900,000 8,800,000 1,100,000 24,400,000 17,900,000 12,300,000 5,100,000  2,600,000 5,600,000 20,400,000 8,400,000 
        retained earnings
      		2,327,800,000 2,238,100,000 2,134,500,000 1,989,900,000 1,901,000,000 1,831,400,000 1,819,400,000 1,713,200,000 1,635,500,000 1,578,900,000 1,516,100,000 1,399,200,000 1,296,800,000 1,212,800,000 1,113,700,000 1,035,200,000 956,100,000 952,600,000 1,061,500,000 961,800,000 915,900,000 985,600,000 1,023,400,000 906,000,000 861,800,000 975,100,000 957,100,000 892,700,000 871,600,000 873,600,000 771,900,000 675,800,000 581,900,000 544,400,000 543,500,000 468,900,000 401,800,000 376,600,000 350,700,000 360,600,000 277,300,000 232,400,000 170,200,000 207,100,000 152,800,000 142,400,000 95,400,000 55,500,000 28,000,000 400,000 
        accumulated other comprehensive loss
      		-227,500,000 -205,600,000 -214,400,000 -204,300,000 -295,000,000 -331,600,000 -249,300,000 -290,600,000 -285,500,000 -261,500,000 -296,700,000 -266,800,000 -275,600,000 -285,800,000 -332,500,000 -264,600,000 -215,400,000 -194,400,000 -201,000,000 -178,700,000 -189,100,000 -157,100,000 -206,800,000 -231,000,000 -251,400,000 -218,600,000 -273,000,000 -233,100,000 -238,800,000 -223,500,000 -188,200,000 -175,900,000 -126,800,000 -152,900,000 -182,500,000 -204,500,000 -251,400,000 -264,300,000 -216,800,000 -231,200,000 -205,700,000 -232,200,000 -174,600,000 -173,100,000 -178,700,000 -148,200,000    -96,600,000 
        total equity
      		2,101,200,000 2,067,600,000 1,946,600,000 1,786,500,000 1,606,900,000 1,500,700,000 1,571,000,000 1,425,300,000 1,350,900,000 1,318,300,000 1,231,400,000 1,140,500,000 1,044,600,000 944,500,000 793,600,000 779,700,000 745,000,000 762,400,000 867,600,000 787,400,000 731,000,000 832,600,000 827,100,000 680,000,000 613,800,000 760,400,000 687,200,000 663,600,000 637,400,000 654,000,000 599,000,000 508,700,000 461,100,000 405,500,000 372,100,000 269,400,000 155,000,000 116,400,000 155,500,000 142,800,000 77,700,000 29,700,000 28,000,000 72,700,000 1,500,000 18,500,000 6,000,000 -11,200,000 -28,300,000 -55,700,000 
        total liabilities and equity
      		5,312,100,000 5,223,700,000 5,225,300,000 4,914,800,000 4,564,100,000 4,487,800,000 4,973,700,000 4,779,100,000 4,286,900,000 4,311,500,000 4,183,100,000 4,163,800,000 4,124,400,000 3,991,200,000 3,943,300,000 3,653,700,000 3,007,600,000 3,051,000,000 3,116,700,000 3,060,100,000 2,947,900,000 3,069,400,000 3,027,700,000 2,833,900,000 2,757,700,000 2,967,200,000 2,865,400,000 2,849,300,000 2,800,800,000 2,810,200,000 2,730,100,000 2,631,700,000 2,628,100,000 2,542,000,000 2,447,300,000 2,334,600,000 2,185,400,000 2,247,400,000 2,306,600,000 2,345,500,000 2,270,000,000 2,285,300,000 2,409,000,000 1,989,600,000 1,927,400,000 2,015,900,000 1,992,200,000 1,968,100,000 1,977,900,000 1,979,900,000 
        current tax receivable
      		 30,000,000    29,800,000    8,900,000    8,300,000    29,100,000    25,800,000    14,200,000    15,400,000    12,200,000    11,900,000             
        deferred and noncurrent income taxes
      		 321,800,000    331,400,000    292,900,000    227,600,000    154,500,000    126,700,000    112,500,000    84,600,000    35,400,000    72,300,000    120,000,000    58,000,000    86,700,000 
        accrued compensation and benefits
      		 152,100,000    117,600,000    134,800,000    134,700,000    117,700,000    86,100,000    98,400,000    95,300,000    84,700,000    81,000,000    72,400,000    74,000,000    71,800,000 
        current tax payable
      		 34,300,000    24,000,000    14,900,000    27,700,000    11,900,000    18,200,000    12,800,000    20,200,000    18,200,000    2,700,000             
        postemployment and other benefit liabilities
      		 44,200,000    39,100,000    44,100,000    40,100,000    69,200,000    79,400,000    87,700,000    81,200,000    85,900,000    134,500,000    145,400,000    122,000,000    110,600,000 
        allegion plc shareholders’ equity
      		                                                  
        assets held for sale
      		             3,500,000        5,800,000     2,900,000   800,000    900,000    2,200,000     154,300,000     3,900,000   
        total allegion plc shareholders’ equity
      		         1,318,300,000 1,232,100,000 1,138,600,000 1,041,700,000 941,800,000 791,300,000 776,900,000 741,600,000 759,100,000 864,200,000 784,000,000 727,700,000 829,400,000 824,300,000 677,500,000 611,300,000 757,400,000 685,000,000 660,500,000 633,700,000 651,000,000 596,900,000 506,000,000 456,000,000 401,600,000 367,200,000 265,300,000 151,400,000 113,300,000 151,800,000 139,200,000 73,700,000 25,600,000 14,500,000 47,300,000  -4,800,000 -30,700,000 -42,200,000 -60,400,000 -86,800,000 
        noncontrolling interests
      		          -700,000 1,900,000 2,900,000 2,700,000 2,300,000 2,800,000 3,400,000 3,300,000 3,400,000 3,400,000 3,300,000 3,200,000 2,800,000 2,500,000 2,500,000 3,000,000 2,200,000 3,100,000 3,700,000  2,100,000 2,700,000 5,100,000  4,900,000 4,100,000 3,600,000  3,700,000 3,600,000 4,000,000  13,500,000 25,400,000 21,300,000  36,700,000 31,000,000 32,100,000  
        allegion plc shareholders’ equity:
      		                                                  
        liabilities held for sale
      		                     7,200,000                     81,700,000   1,500,000     
        restricted cash
      		                      1,900,000 1,900,000 3,400,000 3,400,000 3,400,000 3,400,000 6,800,000 6,800,000 6,800,000                  40,100,000 40,200,000 
        noncontrolling interest
      		                             3,000,000    3,900,000    3,100,000    4,100,000    23,300,000    31,100,000 
        ordinary shares
      		                                        1,000,000  1,000,000 1,000,000 1,000,000  1,000,000 1,000,000 1,000,000  
        current tax receivable and deferred taxes
      		                                         10,500,000         
        deferred taxes
      		                                         91,900,000    72,300,000     
        current tax payable and deferred taxes
      		                                         9,100,000         
        costs in excess of billings on uncompleted contracts
      		                                           186,400,000 177,100,000 181,100,000 153,600,000 148,200,000 143,800,000 158,800,000 
        total allegion plc shareholders’ deficit
      		                                            -19,800,000      
        deferred taxes and current tax receivable
      		                                             36,600,000    51,200,000 
        deferred taxes and current tax payable
      		                                             36,300,000    23,900,000 
        accumulated other comprehensive income
      		                                              -129,700,000 -104,300,000 -109,800,000  
        parent company investment
      		                                                  
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 
                                                        
          cash flows from operating activities:
        		                                                
          net earnings
        		138,100,000 147,500,000 188,400,000 159,700,000 148,200,000 144,100,000 174,200,000 155,400,000 123,800,000 118,600,000 156,400,000 142,000,000 123,600,000 135,400,000 114,600,000 115,200,000 93,100,000 112,700,000 143,600,000 118,800,000 108,200,000 93,400,000 146,900,000 73,700,000 500,000 80,700,000 131,700,000 109,400,000 80,300,000 132,900,000 116,100,000 114,000,000 72,400,000 12,100,000 90,100,000 105,800,000 68,700,000 75,000,000 2,000,000 95,400,000 58,800,000 72,000,000 -26,400,000 65,000,000 43,700,000 65,600,000   
          adjustments to arrive at net cash from operating activities:
        		                                                
          depreciation and amortization
        		35,600,000 34,600,000 36,700,000 31,900,000 30,000,000 29,700,000 29,800,000 30,700,000 28,800,000 27,900,000 28,200,000 27,200,000 28,300,000 28,300,000 29,500,000 19,700,000 20,400,000 21,100,000 20,100,000 20,500,000 21,400,000 20,700,000 20,600,000 19,900,000 19,800,000 20,400,000 21,200,000 20,700,000 20,700,000 20,400,000 20,300,000 23,000,000 22,500,000 17,000,000 17,200,000 16,200,000 16,500,000 16,200,000 17,200,000 17,100,000 16,400,000 15,700,000 12,700,000 12,700,000 12,100,000 12,100,000 12,200,000 12,200,000 
          changes in assets and liabilities and other non-cash items
        		-72,400,000  4,400,000 18,100,000 -73,700,000  27,900,000 -13,100,000 -101,500,000  -33,600,000 -8,100,000 -82,900,000  6,800,000 -46,300,000 -93,000,000  -74,800,000 16,400,000 -17,800,000  -8,700,000 3,600,000 -85,800,000  19,500,000 -10,500,000 -113,600,000  5,300,000 -8,200,000 -105,000,000  -1,300,000 -17,100,000 -76,100,000  -26,400,000 -10,500,000 -76,000,000  1,600,000 -48,900,000 -51,400,000 31,300,000 -1,700,000 -50,500,000 
          net cash from operating activities
        		101,300,000 240,100,000 229,500,000 209,700,000 104,500,000 219,000,000 231,900,000 173,000,000 51,100,000 219,500,000 151,000,000 161,100,000 69,000,000 192,400,000 158,000,000 88,600,000 20,500,000 132,200,000 88,900,000 155,700,000 111,800,000 200,900,000 161,400,000 97,200,000 30,800,000 208,800,000 172,400,000 119,600,000 -12,600,000 197,400,000 141,700,000 128,800,000 -10,100,000 177,200,000 106,000,000 104,900,000 -40,900,000 199,100,000 77,200,000 102,000,000 -800,000 131,500,000 92,300,000 28,800,000 4,400,000 108,200,000 64,700,000 -900,000 
          cash flows from investing activities:
        		                                                
          capital expenditures
        		-21,000,000 -39,600,000 -19,700,000 -17,700,000 -21,100,000 -24,100,000 -19,900,000 -20,900,000 -27,200,000 -23,500,000 -20,700,000 -17,700,000 -22,300,000 -22,500,000 -16,900,000 -15,900,000 -8,700,000 -16,700,000 -10,800,000 -11,600,000 -6,300,000 -13,800,000 -8,900,000 -12,600,000 -11,800,000 -16,200,000 -20,100,000 -17,000,000 -12,300,000 -17,300,000 -10,900,000 -12,200,000 -8,700,000 -15,600,000 -12,300,000 -13,600,000 -7,800,000 -16,100,000 -9,900,000 -9,100,000 -7,400,000 -7,900,000 -8,700,000 -9,200,000 -9,400,000 -13,800,000 -16,800,000 -9,200,000 
          free cash flows
        		80,300,000 200,500,000 209,800,000 192,000,000 83,400,000 194,900,000 212,000,000 152,100,000 23,900,000 196,000,000 130,300,000 143,400,000 46,700,000 169,900,000 141,100,000 72,700,000 11,800,000 115,500,000 78,100,000 144,100,000 105,500,000 187,100,000 152,500,000 84,600,000 19,000,000 192,600,000 152,300,000 102,600,000 -24,900,000 180,100,000 130,800,000 116,600,000 -18,800,000 161,600,000 93,700,000 91,300,000 -48,700,000 183,000,000 67,300,000 92,900,000 -8,200,000 123,600,000 83,600,000 19,600,000 -5,000,000 94,400,000 47,900,000 -10,100,000 
          acquisition of businesses, net of cash acquired
        		-75,700,000  -546,600,000 -36,900,000 -10,500,000  -400,000 -101,500,000 -19,300,000  -3,100,000 8,000,000 -36,600,000                                 0 -17,700,000 -5,300,000 
          other investing activities
        		-200,000 1,600,000 -400,000 0 3,600,000 1,900,000 -3,900,000 -200,000 3,100,000 -22,200,000 1,600,000 -100,000 7,500,000 -5,700,000 -2,000,000 -1,700,000 2,400,000 0 13,500,000 -2,500,000 1,700,000 11,900,000 200,000 800,000 -7,000,000 -5,700,000 300,000 -1,500,000 -800,000 -3,400,000 -1,200,000 0 100,000  1,800,000 300,000 800,000  -900,000 -2,700,000 -2,000,000  200,000 100,000 4,000,000 1,100,000 40,600,000 200,000 
          net cash from investing activities
        		-96,900,000 -36,200,000 -566,700,000 -54,600,000 -28,000,000 -38,200,000 -24,200,000 -122,600,000 -43,400,000 -45,700,000 -22,200,000 -9,800,000 -51,400,000 -28,200,000 -942,000,000 -17,600,000 -6,300,000 -16,700,000 3,800,000 -14,100,000 -4,600,000 -17,400,000 -8,700,000 -11,800,000 -18,800,000 -21,600,000 -19,800,000 -18,500,000 -17,700,000 -35,100,000 -107,400,000 -16,400,000 -284,900,000 -14,100,000 -10,200,000 1,900,000 -27,800,000 -14,700,000 -10,800,000 -35,700,000 -2,800,000 600,000 -467,900,000 -52,100,000 -14,400,000 -12,700,000 6,100,000 -14,300,000 
          cash flows from financing activities:
        		                                                
          debt repayments
        		 600,000 -207,300,000 -6,300,000 -3,100,000 -403,200,000 -3,700,000 -3,200,000 -3,200,000 -3,100,000 -3,200,000 -3,200,000 -3,100,000 -3,200,000 -3,100,000 -3,200,000 -3,100,000     -100,000     -100,000    -9,000,000    8,700,000 -11,900,000 -12,900,000    -28,300,000   200,000 -12,400,000    
          proceeds from revolving facility
        		131,000,000 261,900,000 224,000,000                           0 75,000,000 0 40,000,000                
          repayments of revolving facility
        		-81,000,000                             0 -75,000,000                  
          net proceeds (repayments) from debt
        		50,000,000                                                
          dividends paid to ordinary shareholders
        		-47,400,000 -43,900,000 -43,600,000 -44,200,000 -43,600,000 -41,400,000 -41,800,000 -41,700,000 -42,100,000 -39,500,000 -39,900,000 -39,900,000 -39,400,000 -36,000,000 -36,400,000 -35,700,000 -35,800,000 -32,100,000 -32,300,000 -32,100,000 -32,500,000 -29,000,000 -29,600,000 -29,700,000 -29,000,000 -25,100,000 -25,000,000 -25,300,000 -25,200,000 -19,800,000 -19,900,000 -20,000,000 -19,700,000 -15,300,000 -15,200,000 -15,200,000 -15,200,000 -11,500,000 -11,600,000 -11,500,000 -11,400,000 -9,600,000 -9,600,000 -9,600,000 -9,500,000 -7,700,000 -7,700,000 -7,200,000 
          repurchase of ordinary shares
        		-40,600,000 0 0 -40,000,000 -40,000,000 -100,000,000 -40,000,000 -40,000,000 -40,000,000 -40,000,000 0   0 0 0 -61,000,000 -200,100,000 -12,900,000 -50,100,000 -149,700,000 -114,700,000 0 0 -94,100,000 -46,300,000 -46,100,000 -69,800,000 -63,800,000 -37,300,000 0 0 -30,000,000 0 0 -30,000,000 -30,000,000 -55,100,000 0 0 -30,000,000 0 0 0 -30,000,000 -20,000,000   
          other financing activities
        		-10,700,000 -21,000,000 10,900,000 6,600,000 -4,600,000 -11,200,000 4,900,000 -300,000 5,300,000 3,800,000 600,000 0 -2,900,000 100,000 -700,000 1,300,000 -5,000,000 2,900,000 1,000,000 4,400,000 -5,000,000 -3,300,000 200,000 -100,000 3,100,000  400,000 2,600,000 -1,200,000 -3,900,000 2,400,000 100,000 -2,400,000  1,300,000 2,600,000 2,100,000  4,000,000 3,900,000 -5,100,000  -16,500,000 3,500,000 5,200,000 800,000   
          net cash from financing activities
        		-48,700,000 -151,500,000 -16,000,000 -7,900,000 -91,300,000 -541,800,000 -80,900,000 308,200,000 -80,000,000 -78,800,000 -81,500,000 -123,000,000 -15,400,000 -169,100,000 157,700,000 553,300,000 -104,900,000 -220,000,000 -44,200,000 -77,900,000 -187,200,000 -142,600,000 -30,100,000 -32,400,000 -116,800,000 -67,800,000 -73,800,000 -101,400,000 -99,200,000 -66,500,000 -26,500,000 -69,500,000 -20,900,000 -32,200,000 -8,200,000 -54,500,000 -56,000,000    -74,800,000        
          effect of exchange rate changes on cash and cash equivalents
        		-3,000,000 1,100,000 -900,000 15,100,000 5,500,000 -14,100,000 4,600,000 -2,900,000 -4,000,000 8,800,000 -5,600,000 1,500,000 2,600,000  -11,100,000 -9,800,000 -2,100,000               -5,100,000 1,500,000 400,000 1,800,000 3,600,000 1,900,000 -6,500,000 0 -2,500,000 4,200,000 -1,700,000 -3,700,000 600,000 -4,200,000 -2,500,000 -600,000 -3,400,000 
          net decrease in cash and cash equivalents
        		-47,300,000    -9,300,000            -92,800,000               37,800,000 -314,400,000   55,900,000 -122,800,000   43,600,000 -74,200,000   -28,600,000 -60,900,000   -22,000,000 
          cash and cash equivalents - beginning of period
        		356,200,000  0 0 503,800,000  0 0 468,100,000  0 0 288,000,000  0 0 397,900,000               0 466,200,000  0 0 312,400,000  0 0 199,700,000  0 0 290,500,000 0 0 227,400,000 
          cash and cash equivalents - end of period
        		308,900,000  -354,100,000 162,300,000 494,500,000  131,400,000 355,700,000 391,800,000  41,700,000 29,800,000 292,800,000  -637,400,000 614,500,000 305,100,000               37,800,000 151,800,000  89,400,000 55,900,000 189,600,000  45,400,000 43,600,000 125,500,000  -25,800,000 -28,600,000 229,600,000 58,200,000 -12,200,000 205,400,000 
          impairment of intangible assets
        		                                                
          share-based compensation
        		                                                
          unrealized loss on investments
        		                                                
          deferred income taxes
        		                                                
          other items
        		                                                
          changes in other assets and liabilities:
        		                                                
          accounts and notes receivable
        		                                                
          inventories
        		                                                
          accounts payable
        		                                                
          other assets and liabilities
        		                                                
          acquisition of and equity investments in businesses, net of cash acquired
        		             0    0        -3,000,000 0 0 -4,600,000 -300,000 -95,300,000 -4,200,000 -276,300,000  0 0 -20,800,000  0    -459,400,000 -43,000,000 -9,000,000    
          proceeds from issuance of senior notes
        		     0 0       0 0           0                       
          repayments of debt
        		                                                
          debt financing costs
        		     -700,000 -300,000       0 -1,100,000                                  
          proceeds from exercise of stock options
        		                                                
          net increase in cash and cash equivalents
        		 53,500,000 -354,100,000   -375,100,000 131,400,000 355,700,000 -76,300,000 103,800,000 41,700,000 29,800,000 4,800,000  -637,400,000                   131,300,000    97,900,000    24,500,000    58,200,000   
          cash and cash equivalents – beginning of period
        		                                                
          cash and cash equivalents – end of period
        		                                                
          net proceeds from debt
        		  16,700,000                                              
          proceeds from 2021 revolving facility
        		         0 0 0 30,000,000                                    
          repayments of 2021 revolving facility
        		         0 -39,000,000                                      
          settlement of second amended credit facility
        		                                                
          payments of long-term debt
        		                                -8,800,000 -173,800,000 0 -11,700,000 -11,800,000 6,600,000 -13,100,000 -28,800,000 -11,700,000 -416,100,000 0      
          net repayments of from debt
        		    -3,100,000                                            
          excess tax benefit from share based awards
        		                                                
          loss on divestitures
        		             0                                   
          unrealized losses on investments
        		                                                
          (repayments of) proceeds from debt
        		                                                
          net proceeds from (repayments of) debt
        		      -3,700,000     -63,200,000 26,900,000  195,900,000                  31,200,000                
          net (repayments of) proceeds from debt
        		        -3,200,000                                        
          unrealized losses (gains) on investments
        		                                                
          proceeds from sale of equity method investment
        		                 0                               
          proceeds from issuance of 2021 term facility
        		                                                
          proceeds from (repayments of) debt
        		                                                
          net proceeds (repayments of) from debt
        		                                                
          impairment of goodwill and intangible assets
        		                     2,800,000                           
          loss on assets held for sale
        		                                                
          effect of exchange rate changes on cash, cash equivalents and restricted cash
        		                 -1,500,000 -4,800,000 2,200,000 -6,100,000 8,700,000 3,900,000 2,600,000 -5,200,000 3,000,000 -3,700,000 900,000 -500,000                    
          net increase in cash, cash equivalents and restricted cash
        		                 -106,000,000    49,600,000                           
          cash, cash equivalents and restricted cash – beginning of period
        		                                                
          cash, cash equivalents and restricted cash – end of period
        		                                                
          debt extinguishment costs
        		                                                
          other current and noncurrent assets
        		                                                
          other current and noncurrent liabilities
        		                                                
          proceeds related to business dispositions
        		                                                
          payments of short-term borrowings and long-term debt
        		                                                
          debt issuance costs
        		                         -1,200,000        -6,500,000    0           
          proceeds from shares issued under incentive plans
        		                                                
          cash, cash equivalents and restricted cash - beginning of period
        		                  0 0 480,400,000  0 0 358,700,000  0 0 290,600,000                    
          cash, cash equivalents and restricted cash - end of period
        		                  43,700,000 65,900,000 394,300,000  126,500,000 55,600,000 248,700,000  75,100,000 600,000 160,600,000                    
          short-term (repayments) borrowings
        		                                                
          net decrease in cash, cash equivalents and restricted cash
        		                   65,900,000 -86,100,000   55,600,000 -110,000,000  75,100,000 600,000 -130,000,000                    
          short-term borrowings
        		                             100,000 -200,000   0 0 -200,000 -1,100,000    -16,600,000 7,000,000 -400,000      
          purchase of other investments
        		                                                
          short-term repayments
        		                                                
          payments of other long-term debt
        		                          -400,000,000 -8,900,000 -8,800,000  -8,800,000                  
          impairment of goodwill and indefinite-lived trade names
        		                       0 96,300,000                        
          short-term borrowings (repayments)
        		                       -2,600,000 3,200,000                        
          debt proceeds (repayments)
        		                       -2,600,000 3,200,000                        
          impairment of trade names
        		                                                
          discretionary pension plan contribution
        		                                 0 0 0 -50,000,000            
          changes in other assets and liabilities
        		                                                
          proceeds from sale of equity investment
        		                                 100,000 300,000              
          purchase of investments
        		                                                
          issuance of term facility
        		                                                
          redemption of senior notes
        		                                                
          redemption premium
        		                                                
          payments of short-term borrowings
        		                          -100,000 0 -200,000                    
          debt (repayments) proceeds
        		                            -9,000,000                    
          gain on sale of marketable securities
        		                                                
          loss on sale of property, plant and equipment
        		                                                
          equity earnings, net of dividends
        		                                                
          proceeds from sale of property, plant and equipment
        		                                                
          proceeds from sale of marketable securities
        		                                     0 0 7,500,000 6,600,000        
          allegion plcconsolidated statements of cash flows - (continued)in millions
        		                                                
          for the years ended december 31,
        		                                                
          effect of exchange rate changes on cash, cash equivalents, and restricted cash
        		                                                
          net increase in cash, cash equivalents, and restricted cash
        		                                                
          cash, cash equivalents, and restricted cash - beginning of period
        		                                                
          cash, cash equivalents, and restricted cash - end of period
        		                                                
          loss from discontinued operations, net of tax
        		                                                
          share based compensation
        		                                                
          decrease in:
        		                                                
          net cash from continuing operating activities
        		                                     199,100,000 77,200,000 102,000,000 -800,000 131,400,000 92,600,000 28,800,000 4,600,000 109,400,000 66,100,000 -700,000 
          net cash from discontinued operating activities
        		                                         100,000 -300,000 0 -200,000 -1,200,000 -1,400,000 -200,000 
          proceeds from revolving credit facility
        		                                         0       
          proceeds from term facility
        		                                                
          repayment of second amended credit facility
        		                                                
          dividends paid to noncontrolling interests
        		                                                
          other
        		                                               11,800,000 
          borrowings from revolving facility
        		                                                
          acquisition/divestiture of noncontrolling interests
        		                                      0          
          write-off of debt issuance costs
        		                                                
          loss on sale of business
        		                                                
          increase in:
        		                                                
          restricted cash
        		                                                
          proceeds from long-term debt
        		                                         0       
          net proceeds (repayments) of debt
        		                                                
          excess tax benefit from share-based compensation
        		                                                
          discontinued operations, net of tax
        		                                          200,000 0 200,000 2,100,000   
          proceeds from revolving credit facility, net of payments
        		                                                
          debt borrowings (repayments)
        		                                      -13,100,000          
          net cash from continuing financing activities
        		                                      -21,000,000    353,500,000 -5,900,000 -46,700,000 -34,800,000 -82,400,000 -3,400,000 
          goodwill impairment charge
        		                                                
          proceeds from business dispositions, net of cash sold
        		                                                
          net transfers to parent and affiliates
        		                                                
          payments on revolving credit facility
        		                                                
          gain on sale of property, plant and equipment
        		                                                
          net debt repayments
        		                                                
          net transfers to former parent and affiliates
        		                                                
          net debt proceeds
        		                                              -47,200,000 -8,000,000 
          income from continuing operations
        		                                               37,600,000 
          net transfers from former parent and affiliates
        		                                                
          income from discontinued operations, net of tax
        		                                                
          (gain) loss on sale of property, plant and equipment
        		                                                
          net proceeds (repayments) in debt