Note 11 - Employee Benefit Plans (Details Textual) - USD ($) $ in Millions	12 Months Ended
Mar. 03, 2018	Feb. 25, 2017	Feb. 27, 2016
Defined Contribution Plan, Cost	$ 16.4	$ 15.2	$ 13.9
Nonqualified Deferred Compensation Plan Cost Recognized	0.6	0.5	$ 0.6
Liability, Defined Benefit Pension Plan, Noncurrent	14.3	19.3
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax, Total	(3.2)	(4.7)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Total	$ 1.1	$ 3.0

The amount of the cost recognized during the period for nonqualified deferred compensation plans.

No definition available.

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- Definition

Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as noncurrent. Excludes other postretirement benefit plan.

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- Definition

Amount of cost for defined contribution plan.

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Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.

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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

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