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Equity-Based Compensation | 12 Months Ended
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Sep. 29, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Equity-Based Compensation | Equity-Based Compensation We have equity-based compensation plans that authorize the issuance of equity-based awards for shares of Class A common stock to directors, officers and key employees. Equity-based compensation grants are designed to reward long-term contributions to Moog and provide incentives for recipients to remain with Moog. Equity-based compensation expense is based on share-based payment awards that are ultimately expected to vest. Vesting requirements vary for directors, officers and key employees. In general, options and stock appreciation rights (SARs) granted to outside directors vest one year from the date of grant, options granted to officers vest on various schedules, options granted to key employees vest in equal annual increments over a period of five years from the date of grant and SARs granted to officers and key employees vest in equal annual installments over a period of three years from the date of grant. The fair value of equity-based awards granted was estimated on the date of grant using the Black-Scholes option-pricing model. The following table provides the range of assumptions used to value equity-based awards and the weighted-average fair value of the awards granted.
|  | 2012 |  | 2011 |  | 2010
Expected volatility |  | 40% - 42% |  |  | 39% - 49% |  |  | 37% - 46% |
Risk-free rate |  | .5% - 1.4% |  |  | .8% - 2.0% |  |  | 1.1% - 2.8% |
Expected dividends |  | — | % |  | — | % |  | — | %
Expected term |  | 3-7 years |  |  | 3-7 years |  |  | 3-7 years |
Weighted-average fair value of SARs granted |  | $ | 16.92 |  |  | $ | 15.25 |  |  | $ | 10.92 |
To determine expected volatility, we generally use historical volatility based on weekly closing prices of our Class A common stock over periods that correlate with the expected terms of the awards granted. The risk-free rate is based on the United States Treasury yield curve at the time of grant for the appropriate term of the awards granted. Expected dividends are based on our history and expectation of dividend payouts. The expected term of equity-based awards is based on vesting schedules, expected exercise patterns and contractual terms. The 2008 Stock Appreciation Rights Plan (2008 Plan) authorizes the issuance of 2,000,000 SARs, which represent the right to receive shares of Class A common stock. The exercise price of the SARs, determined by a committee of the Board of Directors, may not be less than the fair market value of the Class A common stock on the grant date. The number of shares received upon exercise of a SAR is equal in value to the difference between the fair market value of the Class A common stock on the exercise date and the exercise price of the SAR. The term of a SAR may not exceed ten years from the grant date. The 2003 Stock Option Plan (2003 Plan) authorizes the issuance of options for 1,350,000 shares of Class A common stock. The 1998 Stock Option Plan (1998 Plan) authorizes the issuance of options for 2,025,000 shares of Class A common stock. Under the terms of the plans, options may be either incentive or non-qualified. Options outstanding as of September 29, 2012 consisted of both incentive options and non-qualified options. The exercise price, determined by a committee of the Board of Directors, may not be less than the fair market value of the Class A common stock on the grant date. Options become exercisable over periods not exceeding ten years. Options and SARs are as follows:
1998 Stock Option Plan |  | Stock Options/SARs |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Life |  | Aggregate Intrinsic Value
Outstanding at October 3, 2009 |  | 539,244 |  |  | $ | 12.27 |  |  |  |  |
Exercised in 2010 |  | (89,760 | ) |  | 7.69 |  |  |  |  |
Outstanding at October 2, 2010 |  | 449,484 |  |  | 13.19 |  |  |  |  |
Exercised in 2011 |  | (143,323 | ) |  | 11.84 |  |  |  |  |
Outstanding at October 1, 2011 |  | 306,161 |  |  | 13.81 |  |  |  |  |
Exercised in 2012 |  | (148,300 | ) |  | 12.07 |  |  |  |  |
Outstanding at September 29, 2012 |  | 157,861 |  |  | $ | 15.45 |  |  | 0.6 years |  | $ | 3,539 |
Exercisable at September 29, 2012 |  | 147,362 |  |  | $ | 15.14 |  |  | 0.5 years |  | $ | 3,349 |
2003 Stock Option Plan |  |  |  |  |  |  |  |
Outstanding at October 3, 2009 |  | 1,149,392 |  |  | $ | 32.82 |  |  |  |  |
Exercised in 2010 |  | (12,065 | ) |  | 23.75 |  |  |  |  |
Forfeited in 2010 |  | (1,538 | ) |  | 42.45 |  |  |  |  |
Outstanding at October 2, 2010 |  | 1,135,789 |  |  | 32.90 |  |  |  |  |
Exercised in 2011 |  | (10,065 | ) |  | 24.31 |  |  |  |  |
Outstanding at October 1, 2011 |  | 1,125,724 |  |  | 32.98 |  |  |  |  |
Exercised in 2012 |  | (19,852 | ) |  | $ | 28.17 |  |  |  |  |
Expired in 2012 |  | (1,538 | ) |  | 42.45 |  |  |  |
Outstanding at September 29, 2012 |  | 1,104,334 |  |  | $ | 33.05 |  |  | 3.2 years |  | $ | 6,528 |
Exercisable at September 29, 2012 |  | 853,071 |  |  | $ | 33.93 |  |  | 3.3 years |  | $ | 4,501 |
Total Stock Option Plans |  |  |  |  |  |  |  |
Outstanding at September 29, 2012 |  | 1,262,195 |  |  | $ | 30.85 |  |  |  |  |
Exercisable at September 29, 2012 |  | 1,000,433 |  |  | $ | 31.16 |  |  |  |  |
2008 Stock Appreciation Rights Plan |  |  |  |  |  |  |  |
Outstanding at October 3, 2009 |  | 488,500 |  |  | $ | 36.89 |  |  |  |  |
Granted in 2010 |  | 288,375 |  |  | 26.66 |  |  |  |  |
Forfeited in 2010 |  | (13,666 | ) |  | 38.12 |  |  |  |  |
Outstanding at October 2, 2010 |  | 763,209 |  |  | 33.00 |  |  |  |  |
Granted in 2011 |  | 385,000 |  |  | 36.86 |  |  |  |  |
Exercised in 2011 |  | (14,501 | ) |  | 32.79 |  |  |  |  |
Forfeited in 2011 |  | (17,000 | ) |  | 37.74 |  |  |  |  |
Outstanding at October 1, 2011 |  | 1,116,708 |  |  | 34.26 |  |  |  |  |
Granted in 2012 |  | 408,000 |  |  | 41.82 |  |  |  |  |
Exercised in 2012 |  | (56,543 | ) |  | 32.62 |  |  |  |  |
Outstanding at September 29, 2012 |  | 1,468,165 |  |  | $ | 36.43 |  |  | 7.5 years |  | $ | 4,221 |
Exercisable at September 29, 2012 |  | 730,539 |  |  | $ | 34.39 |  |  | 6.3 years |  | $ | 3,031 |
The aggregate intrinsic value in the preceding tables represent the total pre-tax intrinsic value, based on our closing price of Class A common stock of $37.87 as of September 29, 2012. That value would have been effectively received by the option and SAR holders had all option and SAR holders exercised their options and SARs as of that date. The intrinsic value of awards exercised and fair value of awards vested are as follows:
|  | 2012 |  | 2011 |  | 2010
1998 Stock Option Plan |  |  |  |  |  |
Intrinsic value of options exercised |  | $ | 4,254 |  |  | $ | 4,186 |  |  | $ | 1,821 |
Total fair value of options vested |  | $ | 27 |  |  | $ | 791 |  |  | $ | 186 |
2003 Stock Option Plan |  |  |  |  |  |
Intrinsic value of options exercised |  | $ | 227 |  |  | $ | 156 |  |  | $ | 88 |
Total fair value of options vested |  | $ | 376 |  |  | $ | 4,758 |  |  | $ | 2,975 |
2008 Stock Appreciation Rights Plan |  |  |  |  |  |
Intrinsic value of SARs exercised |  | $ | 437 |  |  | $ | 108 |  |  | $ | — |
Total fair value of SARs vested |  | $ | 4,563 |  |  | $ | 3,438 |  |  | $ | 2,473 |
As of September 29, 2012, total unvested compensation expense associated with stock options amounted to $925 and will be recognized over a weighted-average period of three years, and total unvested compensation expense associated with SARs amounted to $3,509 and will be recognized over a weighted-average period of two years.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65, A240 -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 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 + Details
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