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Inventories - Inventories by Major Classification (Detail) - USD ($)
$ in Millions
Dec. 30, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Finished goods $ 541.9 $ 467.4
Work in progress 49.3 42.7
Raw materials 122.7 93.6
Total FIFO value 713.9 603.7
Excess of current cost over LIFO cost (75.1) (73.2)
Total inventories - net $ 638.8 $ 530.5