Commitments and Contingencies - Narrative (Details) - USD ($)	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Commitments And Contingencies [Line Items]
Period over which product liability self-insurance retention levels have fluctuated (in years)	10 years
Product liability reserves	$ 10,000,000.0	$ 9,200,000
Warranty claims reserves	59,500,000	$ 63,200,000
Self-insured retention, per occurrence	100,000
Maximum
Commitments And Contingencies [Line Items]
Product liability self-insurance maximum retention level for new occurrence	$ 3,000,000.0