CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (18,768)	$ 20,076	$ (19,746)	$ 21,694
Other comprehensive (loss) income, net of tax:
Unrealized losses on derivative instruments designated as cash flow hedges, net of tax	(1,279)	(1,800)	(1,711)	(1,356)
Losses (gains) on derivative instruments designated as cash flow hedges reclassified to cost of goods sold, net of tax	365	(132)	369	153
Total comprehensive (loss) income, net of tax	$ (19,682)	$ 18,144	$ (21,088)	$ 20,491