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Related Party Transactions (Details)
$ in Millions
6 Months Ended
Aug. 04, 2018
USD ($)
lease
Jul. 29, 2017
USD ($)
Marciano Trusts    
Related Party Transactions    
Number of leases under related party lease agreements | lease 4  
Marciano Trusts | Related party leases    
Related Party Transactions    
Expenses under related party arrangement $ 2.5 $ 2.5
MPM Financial LLC | Payments for aircraft charter    
Related Party Transactions    
Payments under related party agreement $ 0.8 $ 0.4