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Leases - Narrative (Details)		12 Months Ended
	Aug. 12, 2020 USD ($)	Jan. 31, 2021 USD ($) renewal_option	Feb. 02, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Assets acquired in exchange for operating lease liability		$ 119,000,000.0	$ 30,700,000
Lease expense		62,200,000	47,900,000
Short-term and variable lease cost		$ 12,200,000	$ 9,300,000
Weighted average remaining lease term		12 years 3 months 18 days	10 years 4 months 24 days
Weighted average discount rate		9.80%	11.30%
Operating lease payments		$ 52,900,000	$ 37,900,000
Lease not yet commenced minimum lease payments		$ 167,500,000
Lease not yet commenced term		17 years
Local government agency
Lessee, Lease, Description [Line Items]
Maximum principal amount	$ 70,000,000.0
Capital addition purchase commitments
Lessee, Lease, Description [Line Items]
Maximum capital investment	$ 70,000,000.0
Term of agreement	3 years
Real Estate
Lessee, Lease, Description [Line Items]
Number of renewal options | renewal_option		3
Renewal term		5 years
Minimum | Real Estate
Lessee, Lease, Description [Line Items]
Lease term		5 years
Minimum | Equipment
Lessee, Lease, Description [Line Items]
Lease term		3 years
Maximum | Real Estate
Lessee, Lease, Description [Line Items]
Lease term		15 years
Maximum | Equipment
Lessee, Lease, Description [Line Items]
Lease term		5 years

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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