Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Detail)

v3.5.0.2
Basis of Presentation (Detail)
$ in Millions
3 Months Ended 6 Months Ended
Oct. 08, 2015
Jul. 02, 2016
USD ($)
Jul. 04, 2015
USD ($)
Jul. 02, 2016
USD ($)
Jul. 04, 2015
USD ($)
Business Acquisition          
Research and development, design and related engineering   $ 21.9 $ 21.3 $ 45.2 $ 43.6
Convertible Class B Stock          
Business Acquisition          
Common stock conversion 0.15        
Date of payment of dividend to shareholders       Oct. 08, 2015