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Supplemental Cash Flow Disclosures (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Supplemental Cash Flow Information [Abstract]    
Cash paid during the period for interest $ 29,191 $ 29,294
Cash received during the period for interest 770 283
Cash paid during the period for income taxes $ 6,820 $ 7,405