Debt (Schedule Of Long-Term Debt) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Jun. 30, 2011
Long Term Debt And Other Financing Arrangement [Line Items]
Other obligations	$ 52		$ 442
Less: current portion of long-term debt	395,409		386
Face Value [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Convertible senior notes due 2012, interest due semi-annually at 1.25 percent	400,000	[1]	400,000	[1]
Other obligations	452		828
Total debt	400,452	[2]	400,828	[2]
Less: current portion of long-term debt	(400,400)		(828)
Total long-term debt	52		400,000
Book Value [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Convertible senior notes due 2012, interest due semi-annually at 1.25 percent	395,009	[1]	378,401	[1]
Other obligations	452		828
Total debt	395,461	[2]	379,229	[2]
Less: current portion of long-term debt	(395,409)		(828)
Total long-term debt	$ 52		$ 378,401

[1] Book values as of June 30, 2012 and 2011 are presented net of unamortized discounts of $5.0 million and $21.6 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, 2012 and 2011 was $395.0 million and $383.9 million, respectively.

[2] Other obligations of $52 thousand and $442 thousand are recorded in Other non-current liabilities in our Consolidated Balance Sheets at June 30, 2012 and 2011, respectively.