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Redeemable preferred shares (Tables)
6 Months Ended
Jul. 31, 2021
Temporary Equity [Abstract]  
Redeemable Preferred Shares
(in millions, except conversion rate and conversion price)July 31, 2021January 30, 2021August 1, 2020
Conversion rate
12.2297 12.2297 12.2297 
Conversion price
$81.7682 $81.7682 $81.7682 
Potential impact of preferred shares if-converted to common shares
8.0 7.9 7.7 
Liquidation preference (1)
$673.2 $656.8 $640.7 
(1) Includes the stated value of the Preferred Shares plus any declared but unpaid dividends