Inventories - Inventories by Major Classification (Detail) - USD ($) $ in Millions	Apr. 01, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Finished goods	$ 488.6	$ 467.4
Work in progress	45.0	42.7
Raw materials	96.9	93.6
Total FIFO value	630.5	603.7
Excess of current cost over LIFO cost	(73.7)	(73.2)
Total inventories - net	$ 556.8	$ 530.5