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	$ 13,417	$ 30,178	$ 25,594	$ 48,931
Change in fair value of derivative instruments	270	1,909	304	(2,994)
Foreign currency translation adjustment	(2,296)	2,014	(3,189)	(19,715)
Unrecognized net pension gains (losses)	4,671	508	11,840	892
(Provision) benefit for income taxes	(1,894)	(1,371)	(4,644)	2,315
Other comprehensive income (loss)	751	3,060	4,311	(19,502)
Comprehensive income (loss)	$ 14,168	$ 33,238	$ 29,905	$ 29,429