Convertible Senior Subordinated Notes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 26, 2010
Contractual interest expense and amortization of issuance costs and discount
Interest expense	$ 17	$ 17	$ 213
Amortization of issuance costs			118
Amortization of discount			2,069
Total interest	$ 17	$ 17	$ 2,400