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Inventories
 6 Months Ended
Jul. 31, 2020
Inventory Disclosure [Abstract]  
Inventories
INVENTORIES

(in millions)
July 31, 2020
 
January 31, 2020
 
July 31, 2019
Finished goods
          $
1,586.8

 
          $
1,532.5

 
          $
1,535.1

Raw materials
796.2

 
776.8

 
832.2

Work-in-process
127.4

 
154.6

 
120.4

Inventories, net
          $
2,510.4

 
          $
2,463.9

 
          $
2,487.7