Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional information (Detail)

v3.3.0.814
Income Taxes - Additional information (Detail) - USD ($)
$ in Millions
9 Months Ended
Oct. 03, 2015
Sep. 27, 2014
Income Taxes [Line Items]    
Effective income tax rate 23.50% 22.40%
Net discrete tax Benefits $ 29.0 $ 17.7
Discrete tax expense related to effects of tax rate changes 5.0  
Refund claims related to prior years $ 33.7 4.1
Realization of unrecognized net tax benefits   $ 10.1
Tax reduction due to discrete items 2.40% 1.50%
Change in effective income tax rate without discrete items 2.00%  
Decrease in unrecognized tax benefits and associated interest $ (26.1)  
Net unrecognized tax benefits and interest, if recognized, would reduce the annual effective tax rate 81.4  
Possible decrease in unrecognized income tax benefits 27.3  
Reduction in income tax expenses $ 21.4