Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Detail)

v3.7.0.1
Basis of Presentation (Detail)
$ in Millions
3 Months Ended
Oct. 11, 2016
Apr. 01, 2017
USD ($)
Apr. 02, 2016
USD ($)
Business Acquisition      
Research and development, design and related engineering   $ 22.9 $ 23.3
Excess tax benefit   $ 0.3  
Convertible Class B Stock      
Business Acquisition      
Common stock conversion 0.15    
Date of payment of dividend to shareholders   Oct. 11, 2016