Commitments and Contingencies - Product Liability (Details) $ in Millions	1 Months Ended						2 Months Ended	3 Months Ended		9 Months Ended
	May 31, 2022 USD ($)	Apr. 30, 2022 USD ($)	Oct. 31, 2021 USD ($) plaintiff	Jun. 30, 2021 USD ($)	Apr. 30, 2021 USD ($) plaintiff	Dec. 31, 2020 plaintiff	Jun. 30, 2021 lawsuit	Sep. 30, 2022 USD ($) case wave lawsuit	Jun. 30, 2022 USD ($)	Sep. 30, 2022 USD ($) lawsuit case plaintiff individual wave	Jul. 31, 2022 USD ($)
State court
Product Liability Litigation
Number of lawsuits filed | case										5
Product Liability - Dual-Ended Combat Arms Earplugs
Product Liability Litigation
Number of plaintiffs | plaintiff										227,000
Committed amount to product liability accrual											$ 1,000.0
Pre-tax charge on product liability									$ 1,200.0
Product Liability - Dual-Ended Combat Arms Earplugs | Aearo Entities
Product Liability Litigation
Committed amount to product liability accrual								$ 600.0		$ 600.0
Product Liability - Dual-Ended Combat Arms Earplugs | Other Investments | Aearo Entities
Product Liability Litigation
Committed amount to product liability accrual								700.0		700.0
Product Liability - Dual-Ended Combat Arms Earplugs | Other Liabilities | Aearo Entities
Product Liability Litigation
Committed amount to product liability accrual								900.0		900.0
Product Liability - Dual-Ended Combat Arms Earplugs | Contingent Liability Claims | Aearo Entities
Product Liability Litigation
Committed amount to product liability accrual								1,200.0		1,200.0
Product Liability - Dual-Ended Combat Arms Earplugs | Other Assets | Aearo Entities
Product Liability Litigation
Committed amount to product liability accrual								$ 300.0		$ 300.0
Product Liability - Dual-Ended Combat Arms Earplugs | Pending Litigation
Product Liability Litigation
Number of plaintiffs | plaintiff										132,300
Number of putative class action and other lawsuits | lawsuit										14
Product Liability - Dual-Ended Combat Arms Earplugs | Additional Projected Case Expenses
Product Liability Litigation
Committed amount to product liability accrual											$ 200.0
Product Liability - Dual-Ended Combat Arms Earplugs | Multi-district litigation (MDL)
Product Liability Litigation
Number of plaintiffs | plaintiff					3	3
Amount of punitive damages awarded					$ 6.0
Settlement amount paid			$ 8.0	$ 1.0	7.0
Initial number of federal bellwether cases | lawsuit							2
Apportioned fault of the company				62.00%
Apportioned fault of the plaintiff				38.00%
Number of lawsuits pending | case								1,500		1,500
Number of lawsuits filed | lawsuit										94,500
Number of waves of pending lawsuits | wave								3		3
Lawsuits pending period (in months)								14 months
Number of pending lawsuits per wave | lawsuit								500		500
Product Liability - Dual-Ended Combat Arms Earplugs | State court
Product Liability Litigation
Number of plaintiffs | individual										1,000
Number of lawsuits filed | lawsuit										40
Product Liability - Dual-Ended Combat Arms Earplugs | Maximum | Multi-district litigation (MDL)
Product Liability Litigation
Amount of compensatory damages awarded					$ 1.0
Product Liability - Bair Hugger
Product Liability Litigation
Number of lawsuits pending | case								3		3
Number of lawsuits filed | lawsuit										5,264
Product Liability - Bair Hugger | U.S. District Court for the District of Minnesota
Product Liability Litigation
Number of lawsuits filed | lawsuit										61
Product Liability - Bair Hugger | Canada
Product Liability Litigation
Number of lawsuits filed | lawsuit										1
Product Liability - Bair Hugger | Minimum
Product Liability Litigation
Number of plaintiffs | individual										5,000
Product Liability - Dual-Ended Combat Arms Earplugs, Seventh Trial | Multi-district litigation (MDL)
Product Liability Litigation
Settlement amount paid			13.0
Product Liability - Dual-Ended Combat Arms Earplugs, Eighth Trial | Multi-district litigation (MDL)
Product Liability Litigation
Settlement amount paid			$ 23.0
Product Liability - Dual-Ended Combat Arms Earplugs, Eleventh Trail, Plaintiff Two | Multi-district litigation (MDL) | Compensatory Damages
Product Liability Litigation
Number of plaintiffs | plaintiff			2
Settlement amount paid	$ 5.0		$ 15.0
Product Liability - Dual-Ended Combat Arms Earplugs, Eleventh Trail, Plaintiff Two | Multi-district litigation (MDL) | Punitive Damages
Product Liability Litigation
Settlement amount paid	$ 72.0		$ 40.0
Product Liability - Dual-Ended Combat Arms Earplugs, Thirteenth Trial | Multi-district litigation (MDL)
Product Liability Litigation
Settlement amount paid		$ 2.2								$ 8.0
Number of lawsuits pending | case								1,500		1,500
Product Liability - Dual-Ended Combat Arms Earplugs, Twelfth Trial | Multi-district litigation (MDL)
Product Liability Litigation
Number of plaintiffs | plaintiff										1
Settlement amount paid										$ 50.0