Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details) (USD $)
3 Months Ended
Mar. 29, 2014
M
Dec. 31, 2013
Mar. 30, 2013
Income Tax Disclosure [Abstract]      
Income tax provision from continuing operations $ 30,400,000   $ 21,900,000
Impact of tax rate changes 400,000    
Unfavorable valuation allowance adjustments primarily related to stock-based compensation     11,100,000
Effective tax rate from continuing operations 34.80%   28.50%
Reversal of deferred tax valuation allowance   599,500,000  
Gross unrecognized tax benefits, including interest 5,600,000 6,300,000  
Possible decrease of total amount of gross unrecognized tax benefits due to settlements with taxing authorities or lapses in the statute of limitations 1,700,000    
Number of months from reporting date for possible decrease of total amount of gross unrecognized tax benefits 12    
Interest accrued related to unrecognized tax benefits 300,000 300,000  
Amounts accrued for penalties for unrecognized tax benefits $ 0 $ 0