Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Jan. 30, 2022	Jan. 31, 2021	Feb. 02, 2020
Tax Credit Carryforward [Line Items]
Potential adjustments to additional paid in capital, cumulative effect of valuation allowance release	$ 26,800,000
Current income tax provision	0	$ 0	$ 0
Deferred income tax provision	0	0	0
Increase in valuation allowance	93,000,000
Increase in valuation allowance relating to current year activity	87,500,000
Increase in valuation allowance relating to miscellaneous adjustments	5,700,000
Decrease in valuation allowance relating to changes to state bending rate	200,000
Deferred tax asset with respect to operating loss carryforwards	181,843,000	87,881,000
Unrecognized tax benefits	0	0
Proceeds from tax sharing agreement with related parties	43,714,000	23,212,000	$ 17,300,000
Current receivable from affiliate	2,500,000	21,900,000
PetSmart
Tax Credit Carryforward [Line Items]
Previously utilized by affiliate		890,400,000
Tax Sharing Agreement
Tax Credit Carryforward [Line Items]
Current receivable from affiliate	0	$ 30,500,000
Proceeds from collection of related party receivable	30,500,000
Definitive expiration dates
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	312,000,000
No expiration
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	342,800,000
Federal
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	726,500,000
State Tax Authority
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	$ 654,800,000