7Baggers

Sotera Health Company
(NASDAQ:SHC) 

SHC stock logo

Sotera Health Company provides sterilization, and lab testing and advisory services to the medical device, pharmaceutical, and food products industries in the Americas, Europe and Asia. The company's sterilization services include gamma and electron beam irradiation, and EO processing; Nelson Labs c...

Founded: 2015
Full Time Employees: 2,900
CEO: Michael B. Petras  
Sector: Healthcare
Industry: Diagnostics & Research

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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 
                          
      revenues:
                          
      service
    241,608,000 259,043,000 255,529,000 257,244,000 223,940,000 238,795,000 238,790,000 237,756,000 226,481,000 237,918,000 227,120,000 226,050,000 214,510,000 220,377,000 216,704,000 221,529,000 206,218,000 207,594,000 200,499,000 208,710,000 188,698,000  
      product
    38,437,000 44,398,000 55,783,000 37,097,000 30,583,000 51,408,000 46,678,000 38,838,000 21,695,000 72,321,000 36,057,000 29,232,000 6,080,000 31,213,000 32,000,000 45,110,000 30,536,000 33,655,000 25,665,000 43,207,000 23,450,000  
      total net revenues
    280,045,000 303,441,000 311,312,000 294,341,000 254,523,000 290,203,000 285,468,000 276,594,000 248,176,000 310,239,000 263,177,000 255,282,000 220,590,000 251,590,000 248,704,000 266,639,000 236,754,000 241,249,000 226,164,000 251,917,000 212,148,000  
      cost of revenues:
                          
      total cost of revenues
    132,976,000 137,521,000 133,751,000 127,720,000 119,091,000 125,838,000 127,444,000 123,803,000 121,061,000 130,156,000 117,193,000 115,694,000 109,087,000 109,870,000 112,691,000 116,243,000 107,879,000 107,296,000 100,578,000 108,156,000 96,776,000  
      gross profit
    147,069,000 165,920,000 177,561,000 166,621,000 135,432,000 164,365,000 158,024,000 152,791,000 127,115,000 180,083,000 145,984,000 139,588,000 111,503,000 141,720,000 136,013,000 150,396,000 128,875,000 133,953,000 125,586,000 143,761,000 115,372,000  
      yoy
    8.59% 0.95% 12.36% 9.05% 6.54% -8.73% 8.25% 9.46% 14.00% 27.07% 7.33% -7.19% -13.48% 5.80% 8.30% 4.62% 11.70%      
      qoq
    -11.36% -6.56% 6.57% 23.03% -17.60% 4.01% 3.42% 20.20% -29.41% 23.36% 4.58% 25.19% -21.32% 4.20% -9.56% 16.70% -3.79% 6.66% -12.64% 24.61%   
      selling, general and administrative expenses
    68,211,000 57,514,000 63,294,000 68,893,000 63,061,000 61,837,000 62,009,000 60,575,000 58,209,000 60,358,000 54,112,000 60,287,000 61,910,000 65,949,000 57,091,000 63,132,000 59,542,000 51,827,000 44,038,000 49,828,000 52,465,000  
      amortization of intangible assets
    3,031,000 3,023,000 3,090,000 9,298,000 15,327,000 15,382,000 15,508,000 15,417,000 15,732,000 15,701,000 15,774,000 16,097,000 16,227,000 15,603,000 15,727,000 15,769,000 15,841,000 15,700,000 15,877,000 15,661,000 16,543,000  
      illinois eo litigation settlement
        30,943,000                  
      interest expense
    34,745,000 35,048,000 39,147,000 40,651,000 40,876,000 40,960,000 41,572,000 40,388,000 41,771,000 42,653,000 40,627,000 30,728,000 28,870,000 32,269,000 23,427,000 14,044,000 10,404,000 15,607,000 18,140,000 19,163,000 21,282,000  
      foreign exchange loss
    -571,000   627,000 289,000 2,436,000 -1,054,000 -611,000 -572,000 -227,000 -426,000 465,000 347,000 647,000 -535,000 -755,000 788,000 -65,000 756,000 76,000 578,000  
      other income
    -960,000 -2,016,000 -464,000 -5,825,000    -1,520,000     -1,253,000 -2,246,000 -1,713,000  -2,967,000 -7,854,000 -693,000 -2,764,000   
      income before income taxes
    42,613,000 70,497,000 72,935,000 18,897,000 -14,823,000 44,964,000 42,754,000 15,142,000 11,014,000 65,670,000 470,000 34,485,000 5,402,000 -378,502,000 42,016,000 48,108,000 45,267,000 58,734,000 41,103,000 61,797,000 14,082,000  
      provision for income taxes
    16,024,000 35,650,000 24,535,000 10,935,000 -1,563,000 32,641,000 25,756,000 6,388,000 4,691,000 26,989,000 14,130,000 10,972,000 2,560,000 -58,783,000 16,926,000 17,690,000 14,626,000 22,737,000 13,659,000 19,182,000 3,017,000  
      net income
    26,589,000 34,847,000 48,400,000 7,962,000 -13,260,000 12,323,000 16,998,000 8,754,000 6,323,000 38,681,000 -13,660,000 23,513,000 2,842,000 -319,719,000 25,090,000 30,418,000 30,641,000 35,997,000 27,444,000 42,615,000 11,065,000  
      yoy
    -300.52% 182.78% 184.74% -9.05% -309.71% -68.14% -224.44% -62.77% 122.48% -112.10% -154.44% -22.70% -90.72% -988.18% -8.58% -28.62% 176.92%      
      qoq
    -23.70% -28.00% 507.89% -160.05% -207.60% -27.50% 94.17% 38.45% -83.65% -383.17% -158.10% 727.34% -100.89% -1374.29% -17.52% -0.73% -14.88% 31.17% -35.60% 285.13%   
      other comprehensive income net of tax:
                          
      pension and post-retirement benefits
    -104,000 2,317,000 -12,000 71,000 10,000 8,456,000 -137,000 30,000 113,000 -10,347,000 -126,000 18,000 -51,000 19,467,000 1,065,000 532,000 -274,000 25,849,000 1,383,000 -421,000 -249,000  
      interest rate derivatives
    1,633,000 -164,000 -29,000 -1,123,000 -772,000 662,000 -4,016,000 -2,461,000 419,000 -8,734,000 -1,714,000 4,002,000 -9,251,000 2,174,000 9,408,000 3,178,000 6,179,000      
      foreign currency translation
    -17,631,000 13,516,000 -17,178,000 82,217,000 19,560,000 -92,750,000 24,931,000 -23,110,000 -27,706,000 40,539,000 -32,996,000 21,374,000 11,257,000 35,707,000 -69,460,000 -46,038,000 14,975,000 -3,867,000 -29,867,000 20,425,000 -3,086,000  
      comprehensive income
    10,487,000 50,516,000 31,181,000 89,127,000 5,538,000 -71,309,000 37,776,000 -16,787,000 -20,851,000 60,139,000 -48,496,000 48,907,000 4,797,000 -262,371,000 -33,897,000 -11,910,000 51,521,000 58,383,000 -1,040,000 62,619,000 7,730,000  
      earnings per share:
                          
      basic
    0.09 0.12 0.17 0.03 -0.05 0.05 0.06 0.03 0.02 0.14 -0.05 0.08 0.01 -1.14 0.09 0.11 0.11 0.12 0.1 0.15 0.04  
      diluted
    0.09 0.12 0.17 0.03 -0.05 0.05 0.06 0.03 0.02 0.14 -0.05 0.08 0.01 -1.14 0.09 0.11 0.11 0.12 0.1 0.15 0.04  
      weighted-average number of shares outstanding:
                          
      basic
    284,887 283,956 284,067 283,933 283,558 282,784 283,059 282,894 281,913 281,008 281,105 280,893 280,691 280,096 280,142 279,990 279,829 279,228 279,381 279,078 278,827  
      diluted
    287,622 286,421 286,745 285,756 283,558 284,906 285,564 284,541 284,062 283,222 281,105 283,147 282,977 280,096 280,172 280,171 279,908 279,382 279,560 279,214 278,968  
      illinois eo litigation settlements
       34,000,000                   
      loss on refinancing of debt
     295,000 1,087,000 80,000  8,000 70,000 23,400,000               
      foreign exchange gain
     -153,000 -1,528,000                    
      other expense
        -241,000 -1,021,000 -2,835,000  961,000 -825,000 427,000 -2,474,000    485,000     -3,890,000  
      operating expenses:
                          
      total operating expenses
         77,219,000 77,517,000 75,992,000 73,941,000 76,059,000 69,886,000 76,384,000 78,137,000 81,552,000 72,818,000 78,901,000 75,383,000 67,527,000 59,915,000 65,489,000 69,008,000  
      operating income
         87,146,000 80,507,000 76,799,000 53,174,000 104,024,000 76,098,000 63,204,000 33,366,000 60,168,000 63,195,000 71,495,000 53,492,000 66,426,000 65,671,000 78,272,000 46,364,000  
      yoy
         -16.23% 5.79% 21.51% 59.37% 72.89% 20.42% -11.60% -37.62% -9.42% -3.77% -8.66% 15.37%      
      qoq
         8.25% 4.83% 44.43% -48.88% 36.70% 20.40% 89.43% -44.55% -4.79% -11.61% 33.66% -19.47% 1.15% -16.10% 68.82%   
      georgia eo litigation settlement
              35,000,000            
      impairment of investment in unconsolidated affiliate
                   9,613,000       
      loss on extinguishment of debt
                     4,000 6,365,000  14,312,000  
      less: net income attributable to noncontrolling interests
                       16,000 223,000  
      net income attributable to sotera health company
                 -319,719,000 25,090,000 30,418,000 30,641,000 35,997,000 27,444,000 42,599,000 10,842,000  
      less: comprehensive income attributable to noncontrolling interests
                       326,000 208,000  
      comprehensive income attributable to sotera health company
                 -262,371,000 -33,897,000 -11,910,000 51,521,000 58,383,000 -1,040,000 62,293,000 7,522,000  
      interest rate swaps
                          
    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 
                            
        assets
                            
        current assets:
                            
        cash and cash equivalents
      314,147,000 344,621,000 299,192,000 332,437,000 304,390,000 277,242,000 306,738,000 246,084,000 261,133,000 296,407,000 244,959,000 262,700,000 647,948,000 395,214,000 163,975,000 139,564,000 121,440,000 106,917,000 114,912,000 156,217,000 108,009,000 102,447,000 
        restricted cash short-term
      1,798,000 1,835,000 1,834,000 1,835,000 1,691,000 1,623,000 1,744,000 1,674,000 1,687,000 5,247,000 7,575,000 7,790,000 12,232,000 1,080,000 986,000 1,054,000 6,000 7,000 7,000 7,000 7,000 7,000 
        accounts receivable
      137,256,000 139,329,000 142,390,000 136,557,000 128,066,000 140,327,000 130,121,000 123,659,000 111,069,000 147,696,000 118,396,000 117,307,000 109,163,000 118,482,000 111,613,000 119,852,000 114,763,000 108,183,000 96,094,000 118,405,000 96,393,000 91,735,000 
        inventories
      57,494,000 54,375,000 49,865,000 59,949,000 61,045,000 49,158,000 53,647,000 57,872,000 51,342,000 48,316,000 37,924,000 42,102,000 46,736,000 37,145,000 37,153,000 39,652,000 45,701,000 54,288,000 37,496,000 35,721,000 33,375,000 34,093,000 
        prepaid expenses and other current assets
      68,969,000 65,250,000 72,351,000 66,024,000 54,663,000 51,031,000 57,421,000 56,652,000 53,663,000 53,846,000 84,201,000 90,910,000 87,303,000 80,995,000 81,673,000 81,173,000 83,956,000 71,923,000 67,707,000 67,942,000 69,758,000 64,964,000 
        income taxes receivable
      6,307,000 8,000,000 12,183,000 11,373,000 5,135,000 6,656,000 13,942,000 11,736,000 8,285,000 5,732,000 26,591,000 25,883,000 20,417,000 12,094,000 25,334,000 17,386,000 5,694,000 4,643,000 21,089,000 22,813,000 20,825,000 21,769,000 
        total current assets
      585,971,000 613,410,000 577,815,000 608,175,000 554,990,000 526,037,000 563,613,000 497,677,000 487,179,000 557,244,000 519,646,000 546,692,000 923,799,000 645,010,000 420,734,000 398,681,000 371,560,000 345,961,000 337,305,000 401,105,000 328,367,000 315,015,000 
        property, plant, and equipment
      1,143,452,000 1,130,564,000 1,093,972,000 1,080,399,000 1,046,449,000 1,036,892,000 1,026,028,000 994,614,000 979,422,000 946,914,000 884,385,000 859,138,000 816,164,000 774,527,000 704,406,000 699,571,000 669,161,000 650,797,000 624,341,000 623,513,000 611,620,000 609,814,000 
        operating lease assets
      32,896,000 33,393,000 34,427,000 31,524,000 27,072,000 27,551,000 29,266,000 24,272,000 22,517,000 24,037,000 24,672,000 25,179,000 24,941,000 26,481,000 27,194,000 29,853,000 36,984,000 39,946,000 42,682,000 45,147,000 47,117,000 45,963,000 
        deferred income taxes
      3,769,000 3,853,000 3,224,000 4,466,000 2,979,000 2,865,000 4,946,000 4,749,000 4,883,000 4,993,000 4,043,000 4,157,000 4,165,000 4,101,000 5,087,000 5,425,000 5,769,000 5,885,000 8,015,000 8,194,000 8,088,000 8,424,000 
        post-retirement assets
      54,953,000 53,817,000 49,287,000 48,272,000 44,262,000 42,524,000 32,916,000 30,721,000 29,502,000 28,482,000 39,342,000 39,004,000 36,915,000 35,570,000 9,856,000 8,788,000       
        other assets
      37,866,000 36,694,000 37,606,000 39,282,000 37,094,000 37,053,000 35,436,000 39,541,000 42,881,000 41,242,000 34,563,000 34,082,000 32,909,000 38,983,000 47,131,000 38,308,000 27,488,000 12,866,000 9,211,000 8,834,000 9,281,000 9,304,000 
        other intangible assets
      279,357,000 288,227,000 290,856,000 300,109,000 300,300,000 317,653,000 351,977,000 367,938,000 390,457,000 416,318,000 429,112,000 456,120,000 471,860,000 491,265,000 503,755,000 543,057,000 582,144,000 598,844,000 608,641,000 640,787,000 656,572,000 643,366,000 
        goodwill
      1,097,634,000 1,103,232,000 1,098,975,000 1,104,502,000 1,084,382,000 1,081,073,000 1,104,555,000 1,098,306,000 1,102,851,000 1,111,190,000 1,100,811,000 1,110,498,000 1,103,420,000 1,101,768,000 1,092,469,000 1,116,002,000 1,125,828,000 1,120,320,000 1,103,148,000 1,114,176,000 1,106,728,000 1,115,936,000 
        total assets
      3,235,898,000 3,263,190,000 3,186,162,000 3,216,729,000 3,097,528,000 3,071,648,000 3,148,737,000 3,057,818,000 3,059,692,000 3,130,420,000 3,036,574,000 3,074,870,000 3,414,173,000 3,117,705,000 2,810,632,000 2,839,685,000 2,835,769,000 2,789,502,000 2,742,739,000 2,851,129,000 2,777,000,000 2,761,279,000 
        liabilities and equity
                            
        current liabilities:
                            
        accounts payable
      76,688,000 77,963,000 61,388,000 63,660,000 70,106,000 55,098,000 70,754,000 64,487,000 61,576,000 71,039,000 57,125,000 55,580,000 61,939,000 74,139,000 60,730,000 65,271,000 55,221,000 72,868,000 51,814,000 63,147,000 57,174,000 52,400,000 
        accrued liabilities
      85,629,000 124,736,000 139,733,000 143,542,000 113,803,000 90,463,000 82,885,000 69,054,000 61,774,000 122,471,000 106,371,000 103,450,000 496,791,000 490,130,000 56,762,000 52,658,000 60,459,000 61,861,000 54,497,000 57,165,000 56,373,000 60,518,000 
        deferred revenue
      13,741,000 17,999,000 14,060,000  13,754,000 15,100,000 10,653,000  12,882,000 13,492,000 12,712,000  15,161,000 12,140,000 5,347,000  12,928,000 8,669,000 4,866,000 5,539,000 5,958,000 6,056,000 
        current portion of long-term debt
      13,983,000 13,973,000 13,964,000 14,820,000 14,811,000 14,803,000 14,795,000 11,092,000 4,808,000 4,797,000 5,235,000 5,225,000 4,031,000 197,119,000         
        current portion of finance lease obligations
      3,577,000 3,465,000 3,347,000 3,237,000 3,039,000 2,923,000 2,822,000 2,767,000 1,490,000 8,771,000 8,398,000 8,605,000 8,588,000 1,722,000 1,591,000 1,615,000 1,342,000 1,160,000 1,339,000 1,103,000 1,108,000 1,173,000 
        current portion of operating lease obligations
      5,788,000 5,755,000 5,589,000 5,598,000 5,084,000 5,056,000 5,287,000 4,835,000 5,303,000 5,934,000 6,362,000 7,111,000 6,942,000 7,554,000 7,718,000 8,132,000 8,906,000 9,289,000 9,546,000 10,106,000 9,631,000 9,383,000 
        income taxes payable
      8,398,000 5,693,000 4,318,000 3,937,000 5,394,000 7,559,000 8,341,000 4,409,000 4,507,000 4,150,000 4,139,000 5,726,000 4,589,000 5,867,000 7,351,000 6,876,000 4,368,000 6,695,000 10,914,000 11,072,000 7,384,000 10,448,000 
        total current liabilities
      207,804,000 249,584,000 242,399,000 246,320,000 225,991,000 191,002,000 195,537,000 169,633,000 152,340,000 230,654,000 200,594,000 200,330,000 600,149,000 791,567,000 140,031,000 142,021,000 143,851,000 161,161,000 133,606,000 148,792,000 138,019,000 140,598,000 
        long-term debt
      2,124,327,000 2,126,724,000 2,128,996,000 2,202,651,000 2,205,355,000 2,208,100,000 2,210,815,000 2,213,518,000  2,223,674,000 2,222,789,000 2,221,987,000   1,746,555,000 1,745,548,000   1,742,578,000 1,838,133,000   
        finance lease obligations, less current portion
      93,201,000 93,835,000 94,506,000 95,420,000 94,216,000 95,286,000 97,934,000 93,518,000 90,858,000 63,793,000 63,219,000 61,283,000 61,735,000 56,955,000 54,935,000 57,140,000 40,014,000 40,877,000 38,014,000 33,446,000 33,432,000 34,939,000 
        operating lease obligations, less current portion
      29,381,000 29,901,000 30,975,000 27,988,000 23,979,000 24,465,000 25,953,000 21,353,000 19,132,000 20,087,000 20,674,000 20,538,000 20,561,000 21,577,000 22,174,000 24,546,000 31,065,000 33,017,000 35,378,000 37,354,000 39,806,000 38,941,000 
        noncurrent asset retirement obligations
      53,852,000 53,496,000 52,411,000 52,150,000 50,152,000 49,319,000 49,102,000 48,096,000 48,021,000 47,944,000 44,382,000 44,492,000 43,350,000 42,586,000 43,889,000 42,688,000 42,995,000 41,833,000 46,117,000 46,408,000 45,633,000 45,013,000 
        deferred lease income
      16,651,000 17,057,000 16,933,000 17,397,000 16,676,000 16,784,000 17,984,000 17,906,000 18,223,000 18,762,000 18,444,000 19,045,000 18,785,000 18,902,000 18,769,000 20,146,000 20,916,000 20,745,000 20,871,000 21,550,000 21,362,000 21,255,000 
        post-retirement obligations
      7,983,000 8,123,000 8,124,000 8,302,000 7,905,000 7,863,000 8,223,000 8,184,000 8,235,000 8,439,000 7,760,000 8,008,000 7,858,000 7,910,000 10,485,000 11,198,000 11,608,000 11,464,000 42,544,000 45,638,000 46,959,000 48,223,000 
        noncurrent liabilities
      5,152,000 7,360,000 7,031,000 7,150,000 5,474,000 4,418,000 9,285,000 8,762,000 8,728,000 8,879,000 12,415,000 12,626,000 15,051,000 12,831,000 15,345,000 15,668,000 16,188,000 16,274,000 19,300,000 18,905,000 18,795,000 17,506,000 
        total liabilities
      2,613,393,000 2,657,155,000 2,635,691,000 2,705,446,000 2,683,437,000 2,666,737,000 2,678,574,000 2,635,054,000 2,630,300,000 2,686,686,000 2,659,103,000 2,656,503,000 3,053,048,000 2,767,467,000 2,203,903,000 2,203,685,000 2,193,639,000 2,203,406,000 2,216,970,000 2,327,858,000 2,311,256,000 2,306,705,000 
        see commitments and contingencies note
                            
        equity:
                            
        common stock, with 0.01 par value...
      2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 2,860,000 
        preferred stock, with 0.01 par value...
                            
        treasury stock
      -12,100,000 -17,013,000 -18,657,000 -19,038,000 -20,855,000 -23,434,000 -24,612,000 -24,764,000 -26,042,000 -27,182,000 -28,474,000 -28,700,000 -29,420,000 -29,775,000 -32,653,000 -32,654,000 -33,536,000 -33,545,000 -34,000,000 -34,000,000 -34,000,000 -34,000,000 
        additional paid-in capital
      1,263,189,000 1,262,119,000 1,258,715,000 1,251,089,000 1,244,841,000 1,243,778,000 1,238,899,000 1,229,428,000 1,220,547,000 1,215,178,000 1,210,346,000 1,202,972,000 1,195,357,000 1,189,622,000 1,186,620,000 1,181,995,000 1,177,097,000 1,172,593,000 1,171,104,000 1,167,566,000 1,169,852,000 1,166,412,000 
        retained deficit
      -505,504,000 -532,093,000 -566,940,000 -615,340,000 -623,302,000 -610,042,000 -622,365,000 -639,363,000 -648,117,000 -654,440,000 -693,121,000 -679,461,000 -702,974,000 -705,816,000 -386,097,000 -411,187,000 -441,605,000 -472,246,000 -508,243,000 -535,687,000 -578,286,000 -589,128,000 
        accumulated other comprehensive loss
      -125,940,000 -109,838,000 -125,507,000 -108,288,000 -189,453,000 -208,251,000 -124,619,000 -145,397,000 -119,856,000 -92,682,000 -114,140,000 -79,304,000 -104,698,000 -106,653,000 -164,001,000 -105,014,000 -62,686,000 -83,566,000 -105,952,000 -77,468,000 -97,162,000 -93,842,000 
        total equity
      622,505,000 606,035,000 550,471,000 511,283,000 414,091,000 404,911,000 470,163,000 422,764,000 429,392,000 443,734,000 377,471,000 418,367,000 361,125,000 350,238,000 606,729,000 636,000,000 642,130,000 586,096,000 525,769,000 523,271,000 465,744,000 454,574,000 
        total liabilities and equity
      3,235,898,000 3,263,190,000 3,186,162,000 3,216,729,000 3,097,528,000 3,071,648,000 3,148,737,000 3,057,818,000 3,059,692,000 3,130,420,000 3,036,574,000 3,074,870,000 3,414,173,000 3,117,705,000 2,810,632,000 2,839,685,000 2,835,769,000 2,789,502,000 2,742,739,000 2,851,129,000 2,777,000,000 2,761,279,000 
        deferred revenues
         11,526,000    12,989,000    13,840,000    6,863,000       
        long-term debt, less current portion
              2,224,611,000    2,222,333,000 1,747,115,000   1,744,541,000 1,743,534,000   1,837,580,000 1,824,789,000 
        current portion of asset retirement obligations
                252,000 793,000 2,108,000 2,896,000 532,000 606,000 627,000 619,000 630,000 660,000 391,000 620,000 
        investment in unconsolidated affiliate
                      9,550,000 9,405,000 9,396,000 9,373,000 9,227,000 13,457,000 
        total equity attributable to sotera health company
                   350,238,000 606,729,000 636,000,000 642,130,000 586,096,000 525,769,000 523,271,000 463,264,000  
        noncontrolling interests
                          2,480,000 2,272,000 
        post-retirement asset
                      7,285,000 5,478,000     
        mandatorily redeemable noncontrolling interest
                           13,625,000 
        total equity (deficit) attributable to sotera health company
                           452,302,000 
      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 
                             
          operating activities:
                             
          net income
        26,589,000 34,847,000 48,400,000 7,962,000 -13,260,000 12,323,000 16,998,000 8,754,000 6,323,000 38,681,000 -13,660,000 23,513,000 2,842,000 -319,719,000 25,090,000 30,418,000 30,641,000 35,997,000 27,444,000 42,615,000 11,065,000 
          adjustments to reconcile net income to net cash from operating activities:
                             
          depreciation
        25,212,000 26,974,000 22,711,000 23,093,000 22,130,000 20,672,000 23,207,000 20,075,000 20,306,000 20,664,000 17,993,000 18,989,000 18,931,000 16,504,000 15,885,000 15,744,000 15,867,000 16,703,000 16,395,000 15,683,000 15,379,000 
          amortization of intangible assets
        5,602,000 5,552,000 5,649,000 11,923,000 18,674,000 19,640,000 19,858,000 19,755,000 20,124,000 20,058,000 20,182,000 20,501,000 20,607,000 19,958,000 20,218,000 21,196,000 20,182,000 21,443,000 21,239,000 21,778,000 22,282,000 
          deferred income taxes
        4,167,000 16,935,000 8,186,000 -9,024,000 -16,075,000 7,542,000 9,990,000 -4,658,000 -3,441,000 165,000 2,969,000 2,085,000 -1,770,000 -91,113,000 6,737,000 4,783,000 5,633,000 -11,847,000 4,627,000 7,141,000 -3,637,000 
          share-based compensation expense
        14,393,000 7,568,000 7,949,000 8,119,000 7,242,000 8,144,000 9,789,000 10,181,000 8,663,000 8,204,000 8,373,000 8,373,000 7,288,000 6,256,000 4,616,000 5,801,000 4,538,000  3,547,000 3,493,000 3,449,000 
          accretion of asset retirement obligations
        673,000 584,000 601,000 562,000 574,000 723,000 637,000 636,000 642,000 730,000 556,000 555,000 572,000 549,000 527,000 598,000 520,000 501,000 598,000 602,000 551,000 
          unrealized foreign exchange loss
        -2,102,000 1,139,000 -10,508,000 13,527,000 5,359,000 -12,582,000   -5,061,000 3,613,000   802,000 1,626,000        
          unrealized loss on derivatives not designated as hedging instruments
        1,194,000 -258,000 1,389,000 -3,598,000 1,604,000 1,637,000   1,833,000 -2,724,000   227,000         
          amortization of debt issuance costs
        1,467,000 1,484,000 1,305,000 1,375,000 1,270,000 1,280,000 1,254,000 2,169,000 2,535,000 2,529,000 2,410,000 2,202,000 1,910,000 1,422,000 1,423,000 1,422,000 1,414,000 1,372,000 1,544,000 1,582,000 1,663,000 
          other
        -1,656,000 -526,000 -1,275,000 -1,006,000 -1,468,000 -1,092,000 -1,017,000 -2,260,000 -998,000 -1,827,000 -869,000 -1,295,000 -1,328,000 -880,000 -2,066,000 -2,054,000 -1,989,000 -6,554,000 -1,933,000 -1,398,000 -2,843,000 
          changes in operating assets and liabilities:
                             
          accounts receivable
        891,000 4,495,000 -6,428,000 -4,546,000 13,630,000 -14,026,000 -6,019,000 -18,308,000 40,569,000 -22,026,000 -2,247,000 -7,674,000 10,223,000 -3,997,000 5,363,000 -7,534,000 -6,387,000 -10,608,000 20,853,000 -21,620,000 -4,134,000 
          inventories
        -4,088,000 -3,754,000 9,040,000 4,176,000 -11,839,000 1,470,000 4,861,000 -7,032,000 -4,052,000 -9,106,000 3,011,000 5,635,000 -9,512,000 545,000 -116,000 4,689,000 9,323,000 -16,816,000 -2,659,000 -1,869,000 1,099,000 
          other current assets
        -2,997,000 6,046,000 -4,698,000 -10,557,000 -3,693,000 6,891,000 309,000 -3,352,000 -250,000 4,895,000 8,328,000 -2,902,000 -6,318,000 7,250,000 -6,383,000 2,251,000 -8,934,000 -5,777,000 1,242,000 3,307,000 -2,324,000 
          accounts payable
        2,815,000 7,987,000 -8,375,000 -6,098,000 11,671,000 -7,528,000 2,843,000 5,321,000 -7,280,000 12,079,000 2,913,000 -10,715,000 -9,610,000 14,474,000 -3,374,000 2,749,000 -12,742,000 20,052,000 -15,371,000 8,455,000 6,625,000 
          accrued liabilities
        -10,862,000 -11,338,000 27,793,000 -4,345,000 -10,169,000 10,132,000 15,567,000 12,421,000 -31,006,000 14,889,000 -33,662,000 13,447,000 8,826,000 22,469,000 9,995,000 -14,348,000 2,479,000 9,581,000 -3,610,000 1,167,000 -5,542,000 
          illinois eo litigation settlements
        -34,000,000                     
          income taxes payable / receivable
        4,049,000 4,083,000 -1,332,000 -7,656,000 -556,000 5,724,000 1,089,000 -3,535,000 -1,808,000 19,290,000 -4,299,000 -4,516,000 -9,551,000 12,718,000 -9,082,000 -10,746,000 -5,222,000 13,723,000 378,000 520,000 -4,518,000 
          other liabilities
        -200,000 439,000 -117,000 -98,000 71,000 -3,485,000 -180,000 48,000 -176,000 -924,000 -297,000 -140,000 -372,000 -1,106,000 1,957,000 -387,000 -81,000 -79,000 -195,000 -1,608,000 1,513,000 
          other long-term assets
        -1,712,000 552,000 720,000 -473,000 -587,000 -1,756,000 -1,854,000 -1,008,000 -2,224,000 3,933,000 -4,529,000 254,000 104,000 -330,000 167,000 -4,085,000 -341,000 -4,027,000 -334,000 267,000 -282,000 
          net cash from operating activities
        29,435,000 103,104,000 71,154,000 57,416,000 55,521,000 55,717,000 97,453,000 61,295,000 9,699,000 113,123,000 41,849,000 -336,575,000 33,871,000 101,926,000 67,779,000 58,289,000 49,967,000 66,351,000 80,938,000 78,097,000 56,159,000 
          capital expenditures
        -25,477,000 -42,584,000 -29,264,000 -33,964,000 -6,876,000 -72,062,000 -33,555,000 -43,837,000 -19,436,000 -64,489,000 -52,618,000 -49,209,000 -31,939,000 -73,906,000 -38,340,000 -36,096,000 -35,546,000 -41,264,000 -16,109,000 -23,847,000 -20,942,000 
          free cash flows
        3,958,000 60,520,000 41,890,000 23,452,000 48,645,000 -16,345,000 63,898,000 17,458,000 -9,737,000 48,634,000 -10,769,000 -385,784,000 1,932,000 28,020,000 29,439,000 22,193,000 14,421,000 25,087,000 64,829,000 54,250,000 35,217,000 
          investing activities:
                             
          purchases of property, plant and equipment
        -46,166,000 -50,699,000 -36,172,000 -31,229,000 -19,918,000 -65,870,000 -36,389,000 -41,921,000 -34,890,000 -64,826,000 -52,015,000 -53,134,000 -45,000,000 -71,736,000 -39,000,000 -36,096,000 -35,546,000 -41,264,000 -16,109,000 -23,847,000 -20,942,000 
          other investing activities
        1,038,000 2,837,000 37,000 37,000 37,000 37,000 32,000 -2,000    16,000    
          net cash from investing activities
        -45,128,000 -50,699,000 -33,335,000 -31,229,000 -19,881,000 -65,870,000 -36,352,000 -41,921,000 -34,853,000 -64,826,000 -51,978,000 -53,134,000 -44,968,000 -71,738,000 -38,966,000 -35,709,000 -35,483,000 -72,263,000 -16,596,000 -24,455,000 -46,519,000 
          financing activities:
                             
          payment on long-term borrowings
        -3,558,000   -3,774,000 -3,773,000   -2,259,350,000 -1,250,000             
          payments of debt issuance costs
            -10,000    -1,291,000    -24,457,000   4,000 -31,000   -226,000 -3,435,000 
          shares withheld for employee taxes on equity awards
        -8,802,000 -2,707,000 -207,000 -54,000 -3,600,000                 
          other financing activities
        -419,000 -1,456,000 -539,000 -789,000 -704,000 1,670,000 -804,000 -508,000 -2,664,000 1,546,000 -1,231,000 -495,000 -1,627,000 -363,000 -396,000 -638,000 -418,000     
          net cash from financing activities
        -12,779,000 -8,175,000 -77,339,000 -6,933,000 -8,087,000 -6,548,000 -2,654,000 -29,421,000 -11,941,000 -3,793,000 -3,454,000 -710,000 273,916,000 199,244,000 -400,000 -634,000 -449,000 -1,782,000 -103,414,000 -8,307,000 -3,783,000 
          effect of exchange rate changes on cash and cash equivalents
        -2,039,000 1,200,000 6,274,000 8,937,000 -337,000 -12,916,000 2,277,000 -5,015,000 -1,739,000 4,616,000 -4,373,000 729,000 1,067,000 1,901,000 -4,070,000 -2,774,000 487,000 -301,000 -2,233,000 2,873,000 -295,000 
          net increase in cash and cash equivalents, including restricted cash
        -30,511,000 45,430,000 -33,246,000 28,191,000 27,216,000 -29,617,000   -38,834,000 49,120,000 -17,956,000 -389,690,000 263,886,000 231,333,000 24,343,000 19,172,000 14,522,000 -7,995,000 -41,305,000 48,208,000 5,562,000 
          cash and cash equivalents, including restricted cash, at beginning of period
        346,456,000 278,865,000 301,654,000 396,294,000 106,924,000 102,454,000 
          cash and cash equivalents, including restricted cash, at end of period
        315,945,000 45,430,000 -33,246,000 28,191,000 306,081,000 -29,617,000 60,724,000 -15,062,000 262,820,000 49,120,000 -17,956,000 -389,690,000 660,180,000 231,333,000 24,343,000 19,172,000 121,446,000 -7,995,000 -41,305,000 48,208,000 108,016,000 
          supplemental disclosures of cash flow information:
                             
          cash paid during the period for interest
        36,546,000 34,415,000 26,884,000 55,300,000 47,416,000 37,145,000 31,610,000 41,434,000 69,735,000 23,146,000 72,344,000 42,896,000 35,456,000 10,804,000 22,988,000 26,248,000 15,809,000 5,046,000 17,111,000 16,870,000 19,745,000 
          cash paid during the period for income taxes, net of tax refunds received
        9,200,000 13,266,000 15,400,000 19,992,000 12,215,000 23,382,000 14,733,000 17,877,000 9,837,000 7,623,000 14,997,000 13,576,000 14,014,000 19,022,000 19,134,000 23,835,000 13,505,000 20,085,000 9,137,000 11,224,000 11,561,000 
          purchases of property, plant and equipment included in accounts payable
        20,689,000 8,115,000 6,908,000 -2,735,000 13,042,000 -6,192,000 2,834,000 -1,916,000 15,454,000 337,000 -603,000 3,925,000 13,061,000 -2,170,000 660,000       
          loss on refinancing of debt
         295,000 1,087,000   8,000 70,000               
          illinois eo litigation settlement
           30,943,000               
          georgia eo litigation settlement
             -35,000,000            
          proceeds from long-term borrowings
                 500,000,000         
          payment of revolving credit facility
                           
          payments of debt issuance costs and debt discount
         -455,000 -1,593,000   -17,000 -1,850,000    -973,000           
          payments of long-term borrowings
                             
          buyout of leased facility
                           
          payment of long-term borrowings
                             
          buyout of leased facilities
                -6,736,000             
          impairment of investment in unconsolidated affiliate
                           
          purchase of regulatory compliance associates inc., net of cash acquired
                             
          proceeds from revolving credit facility and long-term borrowings
                             
          unrealized foreign exchange losses
                       -1,156,000 2,430,000 73,000 -382,000 -1,257,000 2,354,000 
          unrealized gain on derivatives not designated as hedging instruments
                        -7,364,000     
          net decrease in cash and cash equivalents, including restricted cash
                             
          payment on revolving credit facility
                    -200,000,000         
          loss on extinguishment of debt
                         4,000 6,365,000 14,312,000 
          purchase of bioscience laboratories, llc, net of cash acquired
                         230,000 -608,000 -13,152,000 
          purchase of mandatorily redeemable noncontrolling interest in nelson laboratories fairfield, inc.
                         -12,425,000 
          purchase of noncontrolling interests in china subsidiaries
                         -698,000   
          payments of debt issuance costs and prepayment premium
                        -74,000    
          adjustment to purchase of regulatory compliance associates inc.
                      387,000 63,000     
          unrealized gains on derivatives not designated as hedging instruments
                             
          purchase of iotron industries canada, inc., net of cash acquired
                             
          proceeds from issuance of common stock, net of underwriting discounts and issuance costs
                             
          repurchase of common shares
                             
          payments on revolving credit facility and long-term borrowings
                             
          payments on debt
                             
          equipment purchases included in accounts payable
                        9,508,000 -3,000 4,857,000 2,281,000 7,389,000 
          impairment of long-lived assets
                             
          share-based non-cash compensation expense
                             
          unrealized gain on embedded derivative instruments
                             
          dividends and distributions to shareholders
                             
          unrealized loss on embedded derivative instruments
                          1,190,000 -761,000 -853,000 
          proceeds from borrowings
                             
          proceeds from revolving credit facility
                             
          payments on long-term borrowings
                             
          gain on interest rate swap
                             
          net loss
                             
          adjustments to reconcile net loss to net cash from operating activities:
                             
          net cash from (provided by) financing activities