Leases - Supplemental cash flow information related to leases (Details) - USD ($) $ in Thousands	3 Months Ended
	May 29, 2021	May 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows paid for operating leases	$ 176,591	$ 170,370
Operating cash flows paid for interest portion of finance leases	568	689
Financing cash flows paid for principal portion of finance leases	1,111	1,243
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	76,314	107,913
Finance leases	$ 0	$ 0