Basis of Presentation & Description of Business (Details)			6 Months Ended
	Aug. 20, 2021 $ / shares shares	Jul. 27, 2021 USD ($) $ / shares shares	Aug. 01, 2021 USD ($) branch_location segment state shares	Aug. 02, 2020 USD ($)	Jan. 31, 2021 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of branch locations (more than) | branch_location			285
Number of states with branches | state			48
Class of Stock and Other Items [Line Items]
IPO proceeds, net of underwriting discounts and commissions | $			$ 663,700,000	$ 0
Partnership Interests acquired from consolidated entity (in units)		34,883,721
Partnership Interests acquired from consolidated entity | $		$ 655,900,000
Partnership Interests held (in units)		154,834,603
Goodwill | $			$ 1,452,500,000		$ 1,452,700,000
Operating segments | segment			1
Reportable segments | segment			1
Percent of Company realized tax benefits payable to Limited Partners pursuant to Tax Receivable Agreements			85.00%
Percent of realized tax benefits retained by Company, pursuant to Tax Receivable Agreements			15.00%
Preferred dividends | $			$ 0
Preferred stock outstanding (in shares)			0
Subsequent event
Class of Stock and Other Items [Line Items]
Partnership Interests acquired from consolidated entity (in units)	5,232,558
Partnership Interests held (in units)	160,067,161
Class A common stock
Class of Stock and Other Items [Line Items]
Public ownership interest (in shares)		34,883,721
Class A common stock | Subsequent event
Class of Stock and Other Items [Line Items]
Public ownership interest (in shares)	40,116,279
IPO
Class of Stock and Other Items [Line Items]
Stock offering price (in dollars per share) | $ / shares		$ 20.00
IPO proceeds, net of underwriting discounts and commissions | $		$ 663,700,000
Transaction costs directly attributable to the IPO Transaction | $		$ 7,800,000
IPO | Class A common stock
Class of Stock and Other Items [Line Items]
Number of shares issued (in share)		34,883,721
Underwriter option | Subsequent event
Class of Stock and Other Items [Line Items]
Stock offering price (in dollars per share) | $ / shares	$ 20.00
Underwriter option | Class A common stock | Subsequent event
Class of Stock and Other Items [Line Items]
Number of shares issued (in share)	5,232,558
Stock offering price (in dollars per share) | $ / shares	$ 20.00
Former Limited Partners | Class A common stock
Class of Stock and Other Items [Line Items]
Ownership interest (in shares)		119,950,882
Continuing Limited Partners
Class of Stock and Other Items [Line Items]
Partnership Interests held (in units)		85,853,383
Continuing Limited Partners | Class B common stock
Class of Stock and Other Items [Line Items]
Ownership interest (in shares)		85,853,383
Blocker Company
Class of Stock and Other Items [Line Items]
Goodwill | $		$ 330,000,000
Former Limited Partners
Class of Stock and Other Items [Line Items]
Percent of Company realized tax benefits payable to Limited Partners pursuant to Tax Receivable Agreements			85.00%
Continuing Limited Partners
Class of Stock and Other Items [Line Items]
Percent of Company realized tax benefits payable to Limited Partners pursuant to Tax Receivable Agreements			85.00%