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Nature of Operations and Summary of Significant Accounting Policies - Acquired Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Accounting Policies [Abstract]    
Indefinite-Lived Intangible Asset $ 8,100us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill $ 8,100us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Definite-Lived Intangible Assets, Gross 77,052us-gaap_FiniteLivedIntangibleAssetsGross 69,409us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated Amortization (35,901)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization (30,373)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Currency Translation (2,297)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments 714us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments
Definite-Lived Intangible Assets, Net 38,854us-gaap_FiniteLivedIntangibleAssetsNet 39,750us-gaap_FiniteLivedIntangibleAssetsNet
Total Intangible Assets, Net $ 46,954us-gaap_IntangibleAssetsNetExcludingGoodwill $ 47,850us-gaap_IntangibleAssetsNetExcludingGoodwill