Collaboration Agreements (Details) (Joint Development Agreements [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Dec. 29, 2012	Mar. 30, 2013 Minimum [Member]	Mar. 30, 2013 Minimum [Member] Upon FDA Approval [Member]	Mar. 30, 2013 Maximum [Member]	Mar. 30, 2013 Maximum [Member] Upon FDA Approval [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Royalty And Licenses Revenue	$ 750
Potential Contingent Milestone Payments		$ 500	$ 3,750	$ 2,000	$ 5,500