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RESTRUCTURING AND OTHER CHARGES - Narrative (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 29, 2015
Dec. 31, 2014
Restructuring Charges [Abstract]    
Restructuring cost recorded to date $ 100,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1 $ 400,000us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
Restructuring and other charges $ 0us-gaap_RestructuringCharges $ 0us-gaap_RestructuringCharges