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Inventories
 12 Months Ended
Jan. 31, 2019
Inventory Disclosure [Abstract]  
Inventories
INVENTORIES
 
January 31,
 
(in millions)
2019

2018

Finished goods
          $
1,484.3

          $
1,314.6

Raw materials
781.8

821.4

Work-in-process
161.9

117.5

Inventories, net
          $
2,428.0

          $
2,253.5