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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 28, 2013	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Restructuring Reserve [Roll Forward]
Charges	$ 1,740	$ 1,740	$ 0	$ 0
Employee Severance and Benefits [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance		0
Charges	800	1,740
Cash Payments		(844)
Non-cash acceleration of vesting of RSUs		(896)
Ending Balance		$ 0