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Supplemental Cash Flow Information
 12 Months Ended
Jan. 31, 2019
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information
SUPPLEMENTAL CASH FLOW INFORMATION

Cash paid during the year for:
 
Years Ended January 31,
 
(in millions)
2019

2018

2017

Interest, net of interest capitalization
          $
40.6

          $
41.5

          $
40.6

Income taxes
          $
291.4

          $
156.2

          $
213.9



Supplemental noncash investing and financing activities:
 
January 31,
 
(in millions)
2019

2018

2017

Accrued capital expenditures
          $
11.0

          $
20.1

          $
10.7