Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 28, 2015	Mar. 01, 2014	Mar. 02, 2013
Income Tax Contingency [Line Items]
Net operating loss carryforwards for state tax purposes	$ 2.1us-gaap_OperatingLossCarryforwards
Payments of income taxes	39.3us-gaap_IncomeTaxesPaidNet	31.0us-gaap_IncomeTaxesPaidNet	45.0us-gaap_IncomeTaxesPaidNet
Total unrecognized tax benefits	3.5finl_UnrecognizedTaxBenefitsGross	9.6finl_UnrecognizedTaxBenefitsGross
Unrecognized tax benefits that would impact effective tax rate	2.3	2.7
Unrecognized tax benefits reasonably possible decreases resulting from settlements with taxing authorities	0.7
Income tax examination penalties and interest expense (reversal)	(0.5)	0.2	(0.5)
Income tax examination penalties and interest accrued	1.5	2.0
Minimum
Income Tax Contingency [Line Items]
Net operating loss carryforwards, expiration year	2019
Maximum
Income Tax Contingency [Line Items]
Net operating loss carryforwards, expiration year	2030
Excess Stock Based Compensation [Member]
Income Tax Contingency [Line Items]
Net operating loss carryforwards for state tax purposes	$ 0.9

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- Definition

Unrecognized Tax Benefits, Gross

+ References

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Unrecognized Tax Benefits, Reasonably Possible Decreases Resulting From Settlements With Taxing Authorities, Maximum Amount

+ References

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 3

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (b)

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