Commitments and Contingencies (Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) claim	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Letters of credit outstanding	$ 289,900		$ 298,800
Surety bonds outstanding	$ 1,900,000		1,800,000
Maximum product warranty in years	10 years
Number of individual claims managed | claim	1,000
Self-insurance liabilities	$ 644,278	$ 653,068	$ 627,067	$ 641,779
Incurred but not reported percentage of liability reserves	69.00%		70.00%
ROU assets	$ 71,000		$ 74,300
Operating lease liabilities	88,499		92,700
Additional ROU assets under operating leases	500	1,100
Payments on lease liabilities	5,500	5,300
Total lease expense	12,900	10,200
Variable lease costs	2,200	1,900
Short-term lease costs	5,100	$ 2,900
Other Assets
Loss Contingencies [Line Items]
Recorded insurance receivables	$ 57,500		$ 57,500