Inventories (Tables)

3 Months Ended

Apr. 30, 2018

Inventory Disclosure [Abstract]

Components of Inventories

(in millions)	April 30, 2018		January 31, 2018		April 30, 2017
Finished goods	$	1,309.9	$	1,314.6	$	1,269.8
Raw materials	871.7		821.4		831.7
Work-in-process	136.0		117.5		95.9
Inventories, net	$	2,317.6	$	2,253.5	$	2,197.4