Commitments and Contingencies (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 30, 2013	Jun. 29, 2013	Dec. 29, 2012
Loss Contingencies [Line Items]
Payment by the Company's Insurer to Cover all Costs of the Settlement	$ 1.8
Auction rate securities total par value			18.0
Loss Contingency, Damages Sought, Value		72.5
Litigation Settlement, Amount	$ 1.8