CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Statement of Other Comprehensive Income [Abstract]
Net income (loss)	$ 4,709	$ (7,157)	$ 6,514	$ (4,178)
Other comprehensive income (loss), net of tax:
Deferred losses on derivatives designated as cash flow hedges	(2,260)	0	(5,385)	0
Reclassification of deferred losses on derivatives designated as cash flow hedges to cost of goods sold	3,735	0	5,954	0
Total comprehensive income (loss), net of tax	$ 6,184	$ (7,157)	$ 7,083	$ (4,178)