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Inventories (Notes)
 12 Months Ended
Jan. 31, 2016
Inventory Disclosure [Abstract]  
Inventories
INVENTORIES
 
January 31,
 
(in millions)
2016

 
2015

Finished goods
          $
1,292.9

 
          $
1,386.8

Raw materials
813.7

 
866.9

Work-in-process
118.4

 
108.4

Inventories, net
          $
2,225.0

 
          $
2,362.1