Provision for Income Taxes (Details Textual) $ in Millions	12 Months Ended
Feb. 29, 2020 USD ($) state	Mar. 02, 2019 USD ($)	Mar. 03, 2018
Tax Credit Carryforward [Line Items]
Net unfavorable tax impact		$ 10.5
Federal statutory rate, percentage	21.00%	21.00%	32.66%
Provisional tax impact		$ 26.8
Gross unrecognized tax benefits	$ 51.8	61.9
Accrued interest	9.6	8.3
Interest on unrecognized tax benefits	$ 1.3	$ 0.9
Number of states \| state	50
State and local income taxes, percentage	4.28%	(1.38%)	4.12%
Provision for uncertain tax positions, percentage	1.33%	7.24%	0.32%
Impact of goodwill non-deductible impairment charges, percentage	(4.84%)	(18.64%)	0.00%
Other adjustments, percentage	0.56%	3.41%	(2.46%)
Impact of tax deficiencies related to stock-based compensation, percentage	(3.07%)	(6.48%)	1.39%
Benefit of various tax credits, percentage	(0.49%)	(4.53%)	0.96%
Minimum [Member]
Tax Credit Carryforward [Line Items]
Number of years under examination	3 years
Maximum [Member]
Tax Credit Carryforward [Line Items]
Number of years under examination	5 years
Expiration of Statutes of Limitations [Member]
Tax Credit Carryforward [Line Items]
Adjustments to gross unrecognized tax benefits	$ 3.0
Domestic Tax Authority [Member] \| Internal Revenue Service (IRS) [Member]
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	44.4
Net operating loss carryforwards, indefinite life	38.8
Net operating loss carryforwards that begin expiring in 2025	5.6
State and Local Jurisdiction [Member]
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	12.6
State and Local Jurisdiction [Member] \| California Franchise Tax Board [Member] \| Enterprise Zone Credit [Member]
Tax Credit Carryforward [Line Items]
Net tax credit carryforward	2.1
Other Current Assets [Member]
Tax Credit Carryforward [Line Items]
Net deferred tax assets	$ 276.5	$ 115.1

Represents the number of years open for examination under state and local jurisdictions.

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