Summary of Significant Accounting Policies - Standards Update (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Newly Adopted Accounting Pronouncements
Deferred income tax assets, noncurrent	$ 7,210	$ 16,451
Deferred income taxes	72,625	86,490
Accounting Standards Update ("ASU") 2015-17 - Income Taxes: Balance Sheet Classification of Deferred Taxes | Retrospective early adoption
Newly Adopted Accounting Pronouncements
Deferred income tax assets, current		8,454
Increase to noncurrent deferred income tax assets	1,883
Decrease to noncurrent deferred income tax liabilities	$ 6,571
Accounting Standards Update ("ASU") 2015-03 - Simplifying the Presentation of Debt Issuance Costs | Retrospective early adoption
Newly Adopted Accounting Pronouncements
Deferred financing costs, net		$ 4,311