Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Nov. 25, 2011	Nov. 26, 2010	Nov. 25, 2011	Nov. 26, 2010
Numerator:
Net income	$ 20,246	$ 32,163	$ 67,315	$ 71,534
Denominator:
Weighted average shares outstanding	39,480,798	40,071,916	40,226,039	39,912,378
Effect of dilutive securities:
Stock options and awards	956,000	914,000	1,155,000	1,000,000
Weighted average shares outstanding - assuming dilution	40,436,865	40,985,909	41,381,157	40,911,964
Earnings per share	$ 0.51	$ 0.80	$ 1.67	$ 1.79
Earnings per share - assuming dilution	$ 0.50	$ 0.78	$ 1.63	$ 1.75

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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-Appendix A

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-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

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-Glossary Net Income

-URI http://asc.fasb.org/extlink&oid=6518256

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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-Glossary Weighted-Average Number of Common Shares Outstanding

-URI http://asc.fasb.org/extlink&oid=6528421

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