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Commitments and Contingencies (Narrative) (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
claim
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
claim
Jun. 30, 2021
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Loss Contingencies [Line Items]                
Letters of credit outstanding $ 347,000   $ 347,000     $ 298,800    
Surety bonds outstanding $ 2,100,000   $ 2,100,000     1,800,000    
Maximum product warranty in years     10 years          
Number of individual claims managed | claim 1,000   1,000          
Self-insurance liabilities $ 652,686 $ 620,617 $ 652,686 $ 620,617 $ 644,278 $ 627,067 $ 653,068 $ 641,779
Incurred but not reported percentage of liability reserves 74.00%   74.00%     70.00%    
Adjustment to self insurance reserves   (49,100)   (55,200)        
ROU assets $ 70,800   $ 70,800     $ 74,300    
Operating lease liabilities 87,185   87,185     92,700    
Additional ROU assets under operating leases 3,700 12,000 4,200 13,100        
Payments on lease liabilities 5,600 5,200 11,100 10,500        
Total lease expense 13,400 10,300 26,200 20,600        
Variable lease costs 2,200 2,200 4,400 4,000        
Short-term lease costs 5,500 $ 3,100 10,500 $ 6,000        
Other Assets                
Loss Contingencies [Line Items]                
Recorded insurance receivables $ 49,200   $ 49,200     $ 57,500