Income Taxes (Income Tax Reconciliation) (Details)	12 Months Ended
	Feb. 27, 2016	Feb. 28, 2015	Mar. 01, 2014
Income Tax Disclosure [Abstract]
Federal income tax expense at statutory rate	35.00%	35.00%	35.00%
Manufacturing deduction	(3.40%)	(2.30%)	(3.50%)
State and local income taxes, net of federal tax benefit	1.60%	1.20%	0.90%
Tax credits - research & development	(0.80%)	(1.10%)	(1.60%)
Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Percent	0.00%	(9.90%)	0.00%
Nondeductible acquisition costs	0.00%	0.00%	0.30%
Tax reserve adjustments - statute expirations and benefits recognized	0.00%	(0.20%)	(2.20%)
Change in valuation allowance	0.00%	0.10%	0.40%
Other, net	0.50%	(0.50%)	0.30%
Income tax expense	32.90%	22.30%	29.60%