Commitments and Contingencies (Changes in Self-insurance Liability) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
Changes in Self-insurance Liability [Roll Forward] | ||||
Balance, beginning of period | $ 835,326 | $ 922,385 | $ 831,058 | $ 924,563 |
Reserves provided, net | 18,894 | 25,317 | 38,609 | 45,516 |
Adjustments to previously recorded reserves (a) | (19,813) | 0 | (21,793) | (448) |
Payments, net (b) | (19,651) | (10,991) | (33,118) | (32,920) |
Balance, end of period | 814,756 | $ 936,711 | 814,756 | $ 936,711 |
Gain (loss) related to litigation settlement | $ 19,800 | $ 19,800 |