Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Letters of credit outstanding	$ 288,800		$ 303,400
Surety bonds outstanding	$ 2,100,000		2,200,000
Maximum product warranty in years	10 years
Self-insurance liabilities	$ 652,745	$ 644,278	$ 635,857	$ 627,067
Incurred but not reported percentage of liability reserves	73.00%		74.00%
ROU assets	$ 72,900		$ 73,500
Operating lease liabilities	89,419		$ 90,100
Additional ROU assets under operating leases	3,900	500
Payments on lease liabilities	5,400	5,500
Total lease expense	14,200	12,900
Variable lease costs	3,000	2,200
Short-term lease costs	4,200	$ 5,100
Other Assets
Loss Contingencies [Line Items]
Recorded insurance receivables	$ 43,700