Comprehensive Income (Schedule Of Comprehensive Income) (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 22,869,000	$ 15,734,000	$ 45,370,000	$ 50,357,000
Unrealized (loss) gain on derivative instruments	(245,000)	2,523,000	(1,370,000)	6,184,000
Foreign currency translation	13,557,000	18,519,000	(30,614,000)	51,225,000
Comprehensive income (loss)	36,181,000	36,776,000	13,386,000	107,766,000
Unrealized (loss) gain on derivative instruments, taxes	$ (100,000)	$ 1,000,000	$ (500,000)	$ 1,900,000