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Stock-Based Compensation (Tables) | 6 Months Ended
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Sep. 01, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Share based payment stock options valuation assumptions | The fair value of each award grant is estimated on the date of grant using the Black-Scholes option-pricing model, with the following weighted-average assumptions used for grants through the first six months of fiscal 2012.
| Six Months Ended
| August 27, 2011
Dividend yield | 3.9%
Expected volatility | 56.1%
Risk-free interest rate | 0.8%
Expected lives | 4.6 Years
Award transactions on stock options | The following table summarizes the award transactions for the six months ended September 1, 2012:
| Options/SARs Outstanding
| Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life |  | Aggregate Intrinsic Value
Outstanding at March 3, 2012 | 1,815,293 |  |  | $ | 15.71 |  |  |  |  |
Awards exercised | (39,623 | ) |  | 12.05 |  |  |  |  |
Awards canceled | (71,498 | ) |  | 21.43 |  |  |  |  |
Outstanding at September 1, 2012 | 1,704,172 |  |  | $ | 15.56 |  |  | 5.1 Years |  | $ | 4,596,421 |
Vested or expected to vest at September 1, 2012 | 1,704,172 |  |  | $ | 15.56 |  |  | 5.1 Years |  | $ | 4,596,421 |
Exercisable at September 1, 2012 | 1,403,831 |  |  | $ | 17.10 |  |  | 4.3 Years |  | $ | 2,355,877 |
Nonvested share award transactions | The following table summarizes the nonvested share award transactions, including nonvested share units, for the six months ended September 1, 2012:
| Nonvested Shares and Units
| Number of Shares and Units |  | Weighted Average Grant Date Fair Value
Nonvested at March 3, 2012 | 981,813 |  |  | $ | 12.64 |
Granted | 221,385 |  |  | 14.71 |
Vested | (295,429 | ) |  | 12.85 |
Canceled(1) | (61,703 | ) |  | 13.43 |
Nonvested at September 1, 2012(2) | 846,066 |  |  | $ | 13.05 |
(1) | Includes 61,403 nonvested share units canceled under the fiscal 2010-2012 performance period because Apogee performed below target level for that performance period. Nonvested share units of 160,196 (at target) were previously granted in fiscal 2010 for this performance period.
(2) | Includes a total of 292,118 nonvested share units granted and outstanding at target level for fiscal 2011-2013 and 2012-2014.

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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