Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional information (Detail)

v3.5.0.2
Income Taxes - Additional information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 01, 2016
Oct. 01, 2016
Oct. 03, 2015
Income Taxes [Line Items]      
Effective income tax rate   18.70% 23.60%
Net discrete tax Benefits   $ 40.6 $ 29.0
Tax benefit related to the early adoption $ 8.9 26.5  
Discrete tax expense related to effects of tax rate changes   4.1 5.0
Refund claims related to prior years     $ 33.7
Realization of unrecognized net tax benefits   $ 15.6  
Tax reduction due to discrete items   3.60% 2.40%
Change in effective income tax rate without discrete items   3.70%  
Increase in unrecognized tax benefits and associated interest   $ 96.4  
Net unrecognized tax benefits and interest, if recognized, would reduce the annual effective tax rate 169.5 169.5  
Possible decrease in unrecognized income tax benefits $ 18.8 18.8  
Reduction in income tax expenses   $ 16.6