CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 34,873	$ 172,656	$ 136,917	$ 280,278
Foreign currency translation (loss) gain	(21,677)	21,744	2,793	(88,650)
Unrealized gains (losses) on hedging derivatives	17,524	(21,377)	(21,154)	50,408
Pension liability adjustment	1,709	(2,569)	3,791	(3,053)
Unrealized gains (losses) on available for sale securities	149	145	500	(32)
Other comprehensive loss before taxes	(2,295)	(2,057)	(14,070)	(41,327)
Income tax expense (benefit)	5,074	(6,989)	(5,434)	12,957
Other comprehensive (loss) income, net of taxes	(7,369)	4,932	(8,636)	(54,284)
Comprehensive income, net of taxes	$ 27,504	$ 177,588	$ 128,281	$ 225,994