Business Segment Data - Schedule of Sales Long-Lived and Net Assets by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 1,182,235	$ 1,061,772	$ 1,055,642	$ 998,193	$ 1,090,771	$ 1,095,675	$ 1,127,029	$ 1,050,603	$ 1,031,122	$ 948,196	$ 956,081	$ 836,946	$ 4,297,842	$ 4,364,078	$ 3,772,345
Long-lived assets	485,296				459,112								485,296	459,112
Net Assets	1,644,871				1,529,611								1,644,871	1,529,611
Operating Segments [Member] | U.S. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales													1,181,113	966,955	703,772
Long-lived assets	169,311				162,422								169,311	162,422
Net Assets	148,056				126,081								148,056	126,081
Operating Segments [Member] | Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales													1,482,036	1,662,432	1,616,198
Long-lived assets	137,387				149,867								137,387	149,867
Net Assets	499,490				647,114								499,490	647,114
Operating Segments [Member] | Other Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales													819,074	916,813	780,342
Long-lived assets	128,457				102,071								128,457	102,071
Net Assets	857,487				605,177								857,487	605,177
Operating Segments [Member] | Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales													815,619	817,878	672,033
Long-lived assets	50,141				44,752								50,141	44,752
Net Assets	$ 139,838				$ 151,239								$ 139,838	$ 151,239