Income Taxes (Income Tax Reconciliation) (Details)	12 Months Ended
	Feb. 27, 2021	Feb. 29, 2020	Mar. 02, 2019
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
State and local income taxes, net of federal tax benefit	1.00%	4.00%	2.70%
Foreign tax rate differential	4.60%	(0.30%)	0.80%
Nondeductible goodwill impairment expense	5.60%	0.00%	0.00%
Research & development tax credit	(5.30%)	(1.60%)	(2.70%)
§162(m) Executive Compensation Limitation	3.60%	0.00%	0.00%
Other, net	1.20%	(0.70%)	0.30%
Consolidated effective income tax rate	31.70%	22.40%	22.10%