Segment Data - Geographic Sales Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
External Sales [Abstract]
Total External Sales	$ 2,098,436	$ 2,647,195	$ 2,837,190
Total Assets [Abstract]
Assets	2,368,793	2,849,529	3,868,086
UNITED STATES
External Sales [Abstract]
Total External Sales	897,399	1,176,622	1,198,541
Total Assets [Abstract]
Assets	1,075,330	1,338,594	1,842,453
GERMANY
External Sales [Abstract]
Total External Sales	334,366	442,009	511,209
Total Assets [Abstract]
Assets	327,679	394,491	538,661
CHINA
External Sales [Abstract]
Total External Sales	210,124	246,953	248,212
Total Assets [Abstract]
Assets	233,200	274,774	341,949
ITALY
External Sales [Abstract]
Total External Sales	69,821	85,530	107,511
Total Assets [Abstract]
Assets	50,352	94,978	178,141
FRANCE
External Sales [Abstract]
Total External Sales	56,264	59,772	63,473
UNITED KINGDOM
External Sales [Abstract]
Total External Sales	50,723	70,600	105,041
Total Assets [Abstract]
Assets	48,507	71,342	79,657
INDIA
External Sales [Abstract]
Total External Sales	77,934	85,193	81,455
Total Assets [Abstract]
Assets	91,544	97,463	94,897
CANADA
External Sales [Abstract]
Total External Sales	55,812	73,912	78,163
Total Assets [Abstract]
Assets	57,174	60,492	133,481
Other
External Sales [Abstract]
Total External Sales	345,993	406,604	443,585
Total Assets [Abstract]
Assets	295,509	323,256	393,919
SWITZERLAND
Total Assets [Abstract]
Assets	$ 189,498	$ 194,139	$ 264,928