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Revolving Credit Agreement (Details) - USD ($)
6 Months Ended
Aug. 03, 2019
Aug. 04, 2018
Credit agreement    
Minimum Coverage Ratio Under Credit Facility 2.5  
Line of Credit Facility, Maximum Borrowing Capacity $ 800,000,000  
Reference rate LIBOR  
Percentage points added to reference rate 1.375%  
Letters of credit issued $ 20,600,000  
Unutilized credit facility borrowing capacity $ 661,500,000  
Maximum Leverage Ratio Under Credit Facility 3.5  
Annual commitment fee (as a percent) 0.20%  
Proceeds from (Repayments of) Lines of Credit $ 117,900,000 $ 233,800,000