Long-Term Debt - Net (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017
Long-term debt
Debt, gross	$ 969,682
Other	699	$ 735
Total debt, net	895,221	903,647
Less short-term borrowings and current portion of long-term debt	(63,556)	(60,117)
Total long-term debt, net	831,665	843,530
Term Loan A Facility due 2020
Long-term debt
Debt, gross	250,938	254,375
Unamortized discount and other debt issuance costs	(14,808)	(16,238)
Total debt, net	236,130	238,137
Term Loan B Facility due 2022
Long-term debt
Debt, gross	718,045	727,881
Unamortized discount and other debt issuance costs	(59,653)	(63,106)
Total debt, net	$ 658,392	$ 664,775