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Segment Information Income (Loss) from Continuing Operations Before Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Apr. 26, 2015
Apr. 27, 2014
Segment Reporting [Abstract]    
Domestic $ (13,435)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ (5,137)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Foreign 15,992us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign 14,621us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
Income before taxes $ 2,557us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments $ 9,484us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments