Contingencies - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) claim lawsuit	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) claim lawsuit	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) claim lawsuit	Dec. 31, 2019 USD ($) lawsuit claim
Loss Contingencies [Line Items]
Product liability expense	$ 10,688	$ 2,077	$ 25,235	$ 4,878
Loss contingency, years of activity			5 years
Insurance receivables	105,900		$ 105,900		$ 97,000	$ 63,800
Insurance receivables, current	10,900		10,900		12,000
Insurance receivables, noncurrent	95,000		95,000		85,000
Notes receivable from insurance companies	48,200		48,200		52,300	$ 56,000
Notes receivable from insurance companies, current	3,900		3,900
Amount reported in notes receivable, insurance companies, noncurrent	44,300		44,300		48,500
Notes receivable from insurance companies, current	3,884		3,884		3,796
Product warranty expense			6,700	6,800
Single incident
Loss Contingencies [Line Items]
Product liability accrual	$ 1,300		1,300		$ 1,400
Product liability expense			$ (100)	(1,700)
Lawsuit
Loss Contingencies [Line Items]
Number of lawsuits | lawsuit	1,672		1,672		1,622	1,605
Damages from product defects
Loss Contingencies [Line Items]
Number of lawsuits | claim	4,145		4,145		2,878	2,456
Cumulative trauma
Loss Contingencies [Line Items]
Product liability accrual	$ 232,600		$ 232,600		$ 221,500
Product liability expense	16,400	2,400	43,900	5,700
Claims settled, but not yet paid
Loss Contingencies [Line Items]
Product liability accrual	6,900		6,900		7,800
Uninsured cumulative trauma
Loss Contingencies [Line Items]
Product liability expense	10,700	$ 2,100	25,200	$ 4,900
Other current liabilities | Cumulative trauma
Loss Contingencies [Line Items]
Product liability accrual	31,100		31,100		35,300
Other noncurrent liabilities | Cumulative trauma
Loss Contingencies [Line Items]
Product liability accrual					$ 186,200
Other noncurrent liabilities | Cumulative trauma, reported claims
Loss Contingencies [Line Items]
Product liability, gross	$ 201,500		$ 201,500