Summary of Significant Accounting Policies - FY thru Revenues (Details)			12 Months Ended
	Feb. 27, 2022 USD ($) Point	Dec. 20, 2020	Mar. 04, 2023 USD ($)	Feb. 26, 2022 USD ($)	Feb. 27, 2021 USD ($)
Fiscal Year
Length of reporting period			371 days	364 days	364 days
Deferred Financing Costs
Amortization expenses of deferred financing costs			$ 9,993,000	$ 10,927,000	$ 11,201,000
Revenue Recognition
Accrued contract liabilities			$ 2,030,000
Noncompete agreements and other
Intangible Assets
Finite-lived intangible assets amortization period			3 years	3 years
Prescription files
Intangible Assets
Estimated useful life, acquired intangible assets			10 years
Amortization period of intangible assets			5 years
Finite-lived intangible assets amortization period			5 years	6 years
Customer relationships
Intangible Assets
Finite-lived intangible assets amortization period			9 years	10 years
Customer relationships | Minimum
Intangible Assets
Estimated useful life, acquired intangible assets			10 years
Customer relationships | Maximum
Intangible Assets
Estimated useful life, acquired intangible assets			20 years
CMS license
Intangible Assets
Finite-lived intangible assets amortization period			4 years	5 years
CMS license | Pharmacy Services Segment
Intangible Assets
Amortization period of intangible assets			12 years
Finite-lived intangible assets amortization period			4 years
Claims adjudication and other developed software
Intangible Assets
Finite-lived intangible assets amortization period			0 years	1 year
Trademarks
Intangible Assets
Amortization period of intangible assets			10 years
Buildings | Minimum
Fiscal Year
Useful life			30 years
Buildings | Maximum
Fiscal Year
Useful life			45 years
Equipment | Minimum
Fiscal Year
Useful life			3 years
Equipment | Maximum
Fiscal Year
Useful life			15 years
Internal-use software
Fiscal Year
Capitalized costs			$ 5,099,000	$ 13,388,000	$ 12,669,000
Wellness plus program
Revenue Recognition
Loyalty discount eligibility period		6 months
Rite aid rewards program | Retail Pharmacy Segment
Revenue Recognition
Value of each reward point earned	$ 0.002
Minimum points required for conversion into rewards | Point	1,000
Threshold period for expiry of unconverted points	90 days
Threshold period for expiry of unredeemed rewards	30 days
Accrued contract liabilities			$ 2,030,000	$ 0