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NET INCOME (LOSS) PER SHARE - Narrative (Details) (Stock Options and Restricted Stock Units)
In Millions, unless otherwise specified
3 Months Ended
Mar. 29, 2015
Mar. 30, 2014
Stock Options and Restricted Stock Units
   
Schedule of Earnings Per Share [Line Items]    
Anti-dilutive securities excluded from diluted net income per share (in shares) 0.7us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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1.9us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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