Contingencies - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) lawsuit	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) lawsuit	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) lawsuit	Dec. 31, 2018 USD ($) lawsuit
Loss Contingencies [Line Items]
Product liability expense	$ 2,077	$ 1,730	$ 4,878	$ 8,155
Loss contingency, years of activity			5 years
Insurance receivables	59,100		$ 59,100		$ 63,800	$ 71,700
Insurance receivables, current	7,600		7,600		7,600
Insurance receivables, noncurrent	51,500		51,500		56,200
Notes receivable from insurance companies	52,000		52,000		56,000	$ 59,600
Notes receivable from insurance companies, current	3,766		3,766		3,676
Amount reported in notes receivable, insurance companies, noncurrent	48,200		48,200		52,300
Product warranty expense			6,800	8,800
Single Incident
Loss Contingencies [Line Items]
Product liability accrual	$ 1,400		1,400		$ 3,100
Product liability expense			$ (1,700)	(600)
Lawsuit
Loss Contingencies [Line Items]
Number of lawsuits | lawsuit	1,743		1,743		1,605	1,481
Damages from Product Defects
Loss Contingencies [Line Items]
Number of lawsuits | lawsuit	2,840		2,840		2,456	2,355
Cumulative Trauma
Loss Contingencies [Line Items]
Product liability accrual	$ 166,500		$ 166,500		$ 167,500
Product liability expense			5,700	9,600
Claims Settled, But Not Yet Paid
Loss Contingencies [Line Items]
Product liability accrual	3,300		3,300		3,000
Uninsured Cumulative Trauma
Loss Contingencies [Line Items]
Product liability expense			4,900	$ 8,600
Other Current Liabilities | Cumulative Trauma
Loss Contingencies [Line Items]
Product liability accrual	17,700		17,700		17,400
Other Noncurrent Liabilities | Cumulative Trauma
Loss Contingencies [Line Items]
Product liability accrual					$ 150,100
Other Noncurrent Liabilities | Cumulative Trauma, Reported Claims
Loss Contingencies [Line Items]
Product liability, gross	$ 148,800		$ 148,800