v2.4.1.9
Earnings Per Share (Additional Information) (Details)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 28, 2015
Mar. 29, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive stock options, stock appreciation rights and restricted stock units 2,229us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 4,380us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Shares issued as a result of exercises of equity awards 37us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross 242us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross