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Restructuring - Textual (Details) (USD $)	3 Months Ended
Restructuring - Textual (Details) (USD $)	Mar. 28, 2015	Mar. 29, 2014	Dec. 27, 2014
Restructuring and Related Activities [Abstract]
Restructuring charge	$ 58,000us-gaap_RestructuringCharges	$ 0us-gaap_RestructuringCharges
Restructuring reserves	$ 606,000us-gaap_RestructuringReserve	$ 0us-gaap_RestructuringReserve	$ 997,000us-gaap_RestructuringReserve

- Definition

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.

+ References+ Details