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Gain on Disposal of Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 01, 2020
Aug. 03, 2019
Aug. 01, 2020
Aug. 03, 2019
Gain on disposal of assets        
Proceeds from disposal of assets   $ 8,600 $ 308 $ 21,997
Gain on disposal of assets $ (33) $ 4,900 $ (14) $ 12,300