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Derivative Instruments Schedule of Derivative Instruments (Details) - Accrued Liabilities [Member] - Foreign Exchange Forward [Member] - USD ($)
$ in Thousands
Jul. 02, 2016
Jan. 02, 2016
Derivative [Line Items]    
Derivative, Notional Amount $ 3,418 $ 6,773
Derivative, Fair Value, Net $ 8 $ 28