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v3.22.4

Segment Information - Revenue from External Customers by Products and Services (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 1,527,953 | $ 1,400,182 | $ 1,348,223
Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 100.00% | 100.00% | 100.00%
Breathing Apparatus |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 371,176 | $ 322,412 | $ 329,179
Breathing Apparatus | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 24.00% | 23.00% | 24.00%
Fixed Gas & Flame Detection (a) |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 356,075 | $ 299,018 | $ 287,414
Fixed Gas & Flame Detection (a) | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 23.00% | 21.00% | 21.00%
Firefighter Helmets & Protective Apparel (b) |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 207,759 | $ 203,914 | $ 162,207
Firefighter Helmets & Protective Apparel (b) | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 14.00% | 15.00% | 12.00%
Portable Gas Detection |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 173,660 | $ 162,761 | $ 142,581
Portable Gas Detection | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 11.00% | 12.00% | 11.00%
Industrial Head Protection |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 163,253 | $ 143,601 | $ 125,921
Industrial Head Protection | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 11.00% | 10.00% | 9.00%
Fall Protection |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 110,094 | $ 117,731 | $ 103,075
Fall Protection | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 7.00% | 8.00% | 8.00%
Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 145,936 | $ 150,745 | $ 197,846
Other | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 10.00% | 11.00% | 15.00%
Americas |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 1,043,238 | $ 908,068 | $ 874,305
Americas | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 100.00% | 100.00% | 100.00%
Americas | Breathing Apparatus |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 265,558 | $ 217,340 | $ 220,650
Americas | Breathing Apparatus | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 25.00% | 24.00% | 25.00%
Americas | Fixed Gas & Flame Detection (a) |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 227,609 | $ 182,515 | $ 158,924
Americas | Fixed Gas & Flame Detection (a) | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 22.00% | 20.00% | 18.00%
Americas | Firefighter Helmets & Protective Apparel (b) |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 150,869 | $ 137,086 | $ 133,653
Americas | Firefighter Helmets & Protective Apparel (b) | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 14.00% | 15.00% | 15.00%
Americas | Portable Gas Detection |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 121,934 | $ 109,543 | $ 90,545
Americas | Portable Gas Detection | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 12.00% | 12.00% | 10.00%
Americas | Industrial Head Protection |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 127,485 | $ 108,869 | $ 92,075
Americas | Industrial Head Protection | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 12.00% | 12.00% | 11.00%
Americas | Fall Protection |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 69,225 | $ 69,108 | $ 58,060
Americas | Fall Protection | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 7.00% | 8.00% | 7.00%
Americas | Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 80,558 | $ 83,607 | $ 120,398
Americas | Other | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 8.00% | 9.00% | 14.00%
International |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 484,715 | $ 492,114 | $ 473,918
International | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 100.00% | 100.00% | 100.00%
International | Breathing Apparatus |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 105,618 | $ 105,072 | $ 108,529
International | Breathing Apparatus | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 22.00% | 21.00% | 23.00%
International | Fixed Gas & Flame Detection (a) |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 128,466 | $ 116,503 | $ 128,490
International | Fixed Gas & Flame Detection (a) | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 27.00% | 24.00% | 27.00%
International | Firefighter Helmets & Protective Apparel (b) |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 56,890 | $ 66,828 | $ 28,554
International | Firefighter Helmets & Protective Apparel (b) | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 12.00% | 14.00% | 6.00%
International | Portable Gas Detection |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 51,726 | $ 53,218 | $ 52,036
International | Portable Gas Detection | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 11.00% | 11.00% | 11.00%
International | Industrial Head Protection |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 35,768 | $ 34,732 | $ 33,846
International | Industrial Head Protection | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 7.00% | 7.00% | 7.00%
International | Fall Protection |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 40,869 | $ 48,623 | $ 45,015
International | Fall Protection | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 8.00% | 10.00% | 10.00%
International | Other |  |  |
Revenue from External Customer [Line Items] |  |  |
Revenues | $ 65,378 | $ 67,138 | $ 77,448
International | Other | Sales | Product concentration risk |  |  |
Revenue from External Customer [Line Items] |  |  |
Concentration risk (percentage) | 13.00% | 13.00% | 16.00%

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