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Supplemental Cash Flow Disclosures (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 15, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]          
Cash paid during the period for interest   $ 6,942 $ 10,094 $ 36,236 $ 20,606
Cash received during the period for interest   259 1,976 542 2,625
Cash paid during the period for income taxes   $ 9,061 $ 15,491 $ 16,466 $ 12,943
Senior Notes | Unsecured Debt          
Debt Instrument [Line Items]          
Interest paid $ 22,500