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Share Repurchases (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Aug. 04, 2018
Nov. 30, 2015
Equity [Abstract]    
Share repurchase program, authorized amount (in shares)   300,000,000
Shares repurchased (in shares) 3,500,000  
Cost of shares repurchased $ 30.8  
Weighted average cost per share of shares repurchased (in dollars per share) $ 8.70  
Share repurchase program, amount remaining for future repurchases $ 105.4