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Summary of Significant Accounting Policies Capitalized Software Costs (Details)
 12 Months Ended
Jan. 03, 2015
Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Capitalized Software Costs, amortization term 3wmar_CapitalizedSoftwareCostsamortizationterm
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Capitalized Software Costs, amortization term 7wmar_CapitalizedSoftwareCostsamortizationterm
/ us-gaap_RangeAxis
= us-gaap_MaximumMember