Debt (Schedule Of Long-Term Debt And Current Portion Of Long-Term-Debt) (Details) (USD $)	Jun. 30, 2011		Jun. 30, 2010
Total long-term debt			$ 400,828,000
Less: current portion of long-term debt	(386,000)		(463,000)
Net of unamortized discounts	21,600,000		37,300,000
Fair value of the convertible senior notes	383,900,000		351,200,000
Face Value [Member]
Convertible senior notes due 2012, interest due semi-annually at 1.25 percent	400,000,000	[1]	400,000,000	[1]
Obligations under capital leases	442,000		741,000
Other unsubordinated loans	386,000		931,000
Total long-term debt	400,828,000		401,672,000
Less: current portion of long-term debt	(828,000)		(463,000)
Total long-term debt	400,000,000		401,209,000
Book Value [Member]
Convertible senior notes due 2012, interest due semi-annually at 1.25 percent	378,401,000	[1]	362,693,000	[1]
Obligations under capital leases	442,000		741,000
Other unsubordinated loans	386,000		931,000
Total long-term debt	379,229,000		364,365,000
Less: current portion of long-term debt	(828,000)		(463,000)
Total long-term debt	$ 378,401,000		$ 363,902,000

[1] Book values as of June 30, 2011 and 2010 are presented net of unamortized discounts of $21.6 million and $37.3 million, respectively, resulting from the adoption of new accounting guidance in fiscal year 2010. The fair value of the Convertible Senior Notes at June 30, 2011 and 2010 was $383.9 million and $351.2 million, respectively.