CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 20,076	$ 5,561	$ 21,694	$ 4,487
Other comprehensive income (loss), net of tax:
Unrealized (losses) gains on derivative instruments designated as cash flow hedges	(1,800)	310	(1,356)	(4,330)
(Losses) gains on derivative instruments designated as cash flow hedges reclassified to cost of goods sold	(132)	3,859	153	8,827
Total comprehensive income, net of tax	$ 18,144	$ 9,730	$ 20,491	$ 8,984