Outstanding and Exercisable Options (Detail) (USD $)			12 Months Ended
Mar. 03, 2012 Year	Feb. 26, 2011	Mar. 03, 2012 $ 1-$ 5 Year	Mar. 03, 2012 $ 5-$ 10 Year	Mar. 03, 2012 $ 10-$ 15 Year	Mar. 03, 2012 $ 15-$ 25 Year
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Limit			$ 1	$ 5	$ 10	$ 15
Range of Exercise Prices, Upper Limit			$ 5	$ 10	$ 15	$ 25
Number Outstanding	2,340,649	3,396,673	223,500	753,286	530,401	833,462
Weighted-Average Remaining Contractual Life	6.4		6.0	6.2	6.8	6.4
Weighted-Average Exercise Price	$ 12.00	$ 10.41	$ 4.51	$ 6.27	$ 13.19	$ 18.45
Number Exercisable	870,692		95,500	215,493	196,264	363,435
Weighted-Average Exercise Price	$ 12.13		$ 4.51	$ 6.14	$ 13.25	$ 17.07

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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-Number 123R

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

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The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Number 123R

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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

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The weighted-average period remaining as of the balance sheet date until option expiration pertaining to the outstanding stock options for all option plans in the customized range of exercise prices, which may be expressed in a variety of ways (for example, years, months).

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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