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v3.25.0.1

Segment Information - Revenue from External Customers by Products and Services (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 499,696 | $ 432,679 | $ 462,463 | $ 413,302 | $ 495,358 | $ 446,728 | $ 447,299 | $ 398,262 | $ 1,808,140 | $ 1,787,647 | $ 1,527,953
Revenues |  |  |  |  |  |  |  |  | $ 1,808,140 | $ 1,787,647 | $ 1,527,953
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 |  |  |  |  |  |  |  |  | $ 712,684 | $ 684,224 | $ 578,935
Firefighter Safety | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 39.00% | 38.00% | 38.00%
Detection |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 642,792 | $ 634,915 | $ 529,735
Detection | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 36.00% | 36.00% | 35.00%
Industrial PPE and Other |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 452,664 | $ 468,508 | $ 419,283
Industrial PPE and Other | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 25.00% | 26.00% | 27.00%
Americas |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 1,246,641 | $ 1,235,594 | $ 1,043,238
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 |  |  |  |  |  |  |  |  | $ 507,738 | $ 501,676 | $ 416,427
Americas | Firefighter Safety | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 41.00% | 41.00% | 40.00%
Americas | Detection |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 426,839 | $ 419,312 | $ 349,543
Americas | Detection | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 34.00% | 34.00% | 34.00%
Americas | Industrial PPE and Other |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 312,064 | $ 314,606 | $ 277,268
Americas | Industrial PPE and Other | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 25.00% | 25.00% | 26.00%
International |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 561,499 | $ 552,053 | $ 484,715
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 |  |  |  |  |  |  |  |  | $ 204,946 | $ 182,548 | $ 162,508
International | Firefighter Safety | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 36.00% | 33.00% | 34.00%
International | Detection |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 215,953 | $ 215,603 | $ 180,192
International | Detection | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 38.00% | 39.00% | 37.00%
International | Industrial PPE and Other |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 140,600 | $ 153,902 | $ 142,015
International | Industrial PPE and Other | Sales | Product concentration risk |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk (percentage) |  |  |  |  |  |  |  |  | 26.00% | 28.00% | 29.00%

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