Assets and liabilities measured at fair value (Details) - USD ($) $ in Thousands	Oct. 29, 2021	Jan. 29, 2021
Liabilities:
Current and long-term obligations	$ 4,127,426	$ 4,130,975
Reported amount | Long-term obligations
Liabilities:
Current and long-term obligations	4,127,426
Reported amount | Accrued expenses and other current liabilities
Liabilities:
Deferred compensation	2,756
Reported amount | Noncurrent Other liabilities
Liabilities:
Deferred compensation	42,719
Fair value measurements on recurring basis | Balance at the end of the period
Liabilities:
Long-term obligations	4,544,541
Deferred compensation	45,475
Fair value measurements on recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)
Liabilities:
Long-term obligations	4,384,540
Deferred compensation	45,475
Fair value measurements on recurring basis | Significant Other Observable Inputs (Level 2)
Liabilities:
Long-term obligations	$ 160,001