Derivative Instruments - Additional Information (Details) - USD ($)		6 Months Ended
	Jul. 31, 2018	Jul. 31, 2021	Aug. 01, 2020
Derivative Instruments Gain Loss [Line Items]
Amortized notional amount		$ 662,200,000	$ 684,400,000
Fair value of outstanding derivative		0	$ 0
Net unrealized gains and losses of cash flow hedge		0
Net unrealized gains or losses previously recognized of accumulated other comprehensive loss prior to de-designation		$ 0
LIBOR | Interest Rate Cap
Derivative Instruments Gain Loss [Line Items]
Purchased forward interest rate cap	$ 2,200,000
Cap interest rate	3.50%