XML 56 R47.htm IDEA: XBRL DOCUMENT v3.19.3
Commitments and Contingencies (Changes in Self-insurance Liability) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Changes in Self-insurance Liability [Roll Forward]        
Balance, beginning of period $ 716,218 $ 725,482 $ 737,013 $ 758,812
Reserves provided 21,892 24,106 59,558 67,001
Adjustments to previously recorded reserves (1,700) (5,065) (18,338) (40,133)
Payments, net (11,092) (18,026) (52,915) (59,183)
Balance, end of period $ 725,318 $ 726,497 $ 725,318 $ 726,497