Commitments and Contingencies (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) claim	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) claim	Sep. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Letters of credit outstanding	$ 340,700		$ 340,700			$ 298,800
Surety bonds outstanding	$ 2,200,000		$ 2,200,000			1,800,000
Maximum product warranty in years			10 years
Number of individual claims managed | claim	1,000		1,000
Self-insurance liabilities	$ 679,293	$ 624,662	$ 679,293	$ 624,662	$ 652,686	$ 627,067	$ 620,617	$ 641,779
Incurred but not reported percentage of liability reserves	70.00%		70.00%			70.00%
Adjustment to self insurance reserves				(56,600)
ROU assets	$ 69,300		$ 69,300			$ 74,300
Operating lease liabilities	85,866		85,866			92,700
Additional ROU assets under operating leases	3,300	2,100	7,500	15,200
Payments on lease liabilities	5,000	5,100	16,100	15,600
Total lease expense	14,300	10,600	40,500	31,200
Variable lease costs	3,300	1,600	7,700	5,600
Short-term lease costs	5,200	$ 3,700	15,800	$ 9,700
Other Assets
Loss Contingencies [Line Items]
Recorded insurance receivables	$ 49,200		$ 49,200			$ 57,500