Goodwill and Other Intangible Assets - Intangibles (Details) - USD ($) $ in Thousands	Sep. 02, 2023	Mar. 04, 2023
Finite Lived And Indefinite Lived Intangible Assets By Major Class
Gross Carrying Amount, Finite	$ 1,677,751	$ 1,677,084
Total Accumulated Amortization, Finite	(1,490,579)	(1,441,372)
Total Net, finite	187,172	235,712
Gross Carrying Amount, Total	1,692,151	1,691,484
Net, Total	201,572	250,112
Trademarks
Finite Lived And Indefinite Lived Intangible Assets By Major Class
Total Accumulated Amortization, Indefinite Lived
Net Carrying Amount, Indefinite Lived	14,400	14,400
Gross Carrying Amount, Indefinite Lived	14,400	14,400
Noncompete agreements and other
Finite Lived And Indefinite Lived Intangible Assets By Major Class
Gross Carrying Amount, Finite	203,632	201,919
Total Accumulated Amortization, Finite	(184,551)	(182,957)
Total Net, finite	$ 19,081	$ 18,962
Remaining Weighted Average Amortization Period	3 years	3 years
Prescription files
Finite Lived And Indefinite Lived Intangible Assets By Major Class
Gross Carrying Amount, Finite	$ 1,030,619	$ 1,029,665
Total Accumulated Amortization, Finite	(935,466)	(928,478)
Total Net, finite	$ 95,153	$ 101,187
Remaining Weighted Average Amortization Period	5 years	5 years
Customer relationships
Finite Lived And Indefinite Lived Intangible Assets By Major Class
Gross Carrying Amount, Finite	$ 386,000	$ 388,000
Total Accumulated Amortization, Finite	(313,062)	(306,139)
Total Net, finite	$ 72,938	$ 81,861
Remaining Weighted Average Amortization Period	8 years	9 years
CMS license
Finite Lived And Indefinite Lived Intangible Assets By Major Class
Gross Carrying Amount, Finite	$ 57,500	$ 57,500
Total Accumulated Amortization, Finite	$ (57,500)	(23,798)
Total Net, finite		$ 33,702
Remaining Weighted Average Amortization Period	0 years	4 years