Financial Instruments - Additional Information (Details) $ in Millions	3 Months Ended
	May 02, 2020 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Hedge of diesel fuel requirement, remainder of fiscal year 2021	87.00%
Hedge of diesel fuel requirement, first three months of fiscal year 2022	50.00%
Foreign currency exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivatives settlement	$ 24.8
Term of derivative contracts	30 days