XML 116 R78.htm IDEA: XBRL DOCUMENT v3.3.1.900
Income Taxes - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Income Taxes [Line Items]      
Income tax credits and adjustments     $ 1.0
Tax and accrued interest related to uncertain tax positions $ (0.6) $ (1.1) $ (0.3)
Effective tax rate 30.00% 27.10% 26.40%
Operating loss carryforwards, gross $ 0.1    
Indefinitely carryforward research and development credits 4.5    
Investment Tax Credit 0.4    
Estimated income tax benefit 0.7    
Deferred Tax Assets, Tax Credit Carryforwards, Research 1.0    
Foreign Tax Expense (Benefit), Business and Employment Actions $ 1.3 $ 1.6 $ 1.2
Earnings Per Share, Diluted, Effect of Foreign Tax Benefit Relating to Business and Employment Actions $ 0.02 $ 0.03 $ 0.02
Tax benefit from stock options exercised $ 5.1 $ 0.2 $ 0.7
Deferred income taxes 110.3    
Additional income tax expense 34.5    
Amount of unrecognized benefits affecting future tax rate 7.2 6.7  
Penalties and interest related to unrecognized tax benefits $ 1.1 $ 0.9 0.9
Domestic Tax Authority | Variable Interest Entity, Primary Beneficiary [Member]      
Income Taxes [Line Items]      
Valuation allowance     $ 2.3