v3.7.0.1
Inventories (Detail) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]      
Finished goods $ 209.9 $ 198.3 $ 184.1
Work in process 90.1 79.3 77.1
Raw materials 271.6 267.0 261.7
Total $ 571.6 $ 544.6 $ 522.9