Reconciliation of Stock Option Activity (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Mar. 01, 2014	Mar. 02, 2013	Mar. 03, 2012
Options Outstanding
Beginning Balance	2,196,177
Granted	700,811
Exercised	(750,637)
Forfeited	(229,755)
Ending Balance	1,916,596	2,196,177
Options exercisable at period end	590,017
Weighted Average Exercise Price Per Share
Beginning Balance	$ 14.54
Granted	$ 19.73
Exercised	$ 11.10
Forfeited	$ 19.72
Ending Balance	$ 17.14	$ 14.54
Options exercisable at period end	$ 12.08
Weighted Average Remaining Contractual Life (Years)
Ending balance	7 years 2 months 12 days
Exercisable at March 2, 2013	5 years 0 months
Aggregate Intrinsic Value
Exercised	$ 8,380	$ 6,400	$ 14,700
Ending balance	18,866
Options exercisable at period end	$ 8,816

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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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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.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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