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v3.24.0.1

Segment Information - Revenue from External Customers by Products and Services (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 495,358 | $ 446,728 | $ 447,299 | $ 398,262 | $ 443,254 | $ 381,694 | $ 372,313 | $ 330,692 | $ 1,787,647 | $ 1,527,953 | $ 1,400,182
Revenues |  |  |  |  |  |  |  |  | $ 1,787,647 | $ 1,527,953 | $ 1,400,182
Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
Firefighter Safety |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 684,224 | $ 578,935 | $ 526,326
Firefighter Safety | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 38.00% | 38.00% | 38.00%
Detection |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 634,915 | $ 529,735 | $ 461,779
Detection | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 36.00% | 35.00% | 33.00%
Industrial PPE and Other |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 468,508 | $ 419,283 | $ 412,077
Industrial PPE and Other | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 26.00% | 27.00% | 29.00%
Americas |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 1,235,594 | $ 1,043,238 | $ 908,068
Americas | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
Americas | Firefighter Safety |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 501,676 | $ 416,427 | $ 354,426
Americas | Firefighter Safety | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 41.00% | 40.00% | 39.00%
Americas | Detection |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 419,312 | $ 349,543 | $ 292,058
Americas | Detection | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 34.00% | 34.00% | 32.00%
Americas | Industrial PPE and Other |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 314,606 | $ 277,268 | $ 261,584
Americas | Industrial PPE and Other | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 25.00% | 26.00% | 29.00%
International |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 552,053 | $ 484,715 | $ 492,114
International | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
International | Firefighter Safety |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 182,548 | $ 162,508 | $ 171,900
International | Firefighter Safety | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 33.00% | 34.00% | 35.00%
International | Detection |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 215,603 | $ 180,192 | $ 169,721
International | Detection | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 39.00% | 37.00% | 34.00%
International | Industrial PPE and Other |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 153,902 | $ 142,015 | $ 150,493
International | Industrial PPE and Other | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 28.00% | 29.00% | 31.00%

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