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Stock-Based Compensation | 6 Months Ended
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May 31, 2012
Stock-Based Compensation [Abstract] |
Stock-Based Compensation |
2. | Stock-Based Compensation
The Company measures and recognizes compensation expense associated with its grants of equity-based awards in accordance with Accounting Standards Codification Topic No. 718, “Compensation — Stock Compensation” (“ASC 718”). ASC 718 requires that public companies measure and recognize compensation expense at an amount equal to the fair value of share-based payments granted under compensation arrangements over the vesting period. Stock Options In accordance with ASC 718, the Company estimates the grant-date fair value of its stock options using the Black-Scholes option-pricing model, which takes into account assumptions regarding an expected dividend yield, a risk-free interest rate, an expected volatility factor for the market price of the Company’s common stock and an expected term of the stock options. The following table summarizes the stock options outstanding and stock options exercisable as of May 31, 2012, as well as stock options activity during the six months then ended:
|  | Options |  |  | Weighted Average Exercise Price |
Options outstanding at beginning of period |  |  | 10,160,396 |  |  | $ | 21.27 |
Granted |  |  | 30,000 |  |  |  | 9.08 |
Exercised |  |  | — |  |  |  | — |
Cancelled |  |  | (7,000 | ) |  |  | 20.95 |
Options outstanding at end of period |  |  | 10,183,396 |  |  |  | 21.24 |
Options exercisable at end of period |  |  | 7,240,732 |  |  |  | 26.27 |
As of May 31, 2012, the weighted average remaining contractual life of stock options outstanding and stock options exercisable was 6.8 years and 6.1 years, respectively. There was $3.5 million of total unrecognized compensation cost related to unvested stock option awards as of May 31, 2012. For the three months ended May 31, 2012 and 2011, stock-based compensation expense associated with stock options totaled $1.2 million and $1.3 million, respectively. For the six months ended May 31, 2012 and 2011, stock-based compensation expense associated with stock options totaled $2.4 million and $2.7 million, respectively. The aggregate intrinsic value of stock options outstanding was $1.5 million at May 31, 2012. Stock options exercisable had no aggregate intrinsic value at May 31, 2012. (The intrinsic value of a stock option is the amount by which the market value of a share of the underlying common stock exceeds the exercise price of the stock option.) Other Stock-Based Awards From time to time, the Company grants restricted common stock, phantom shares and stock appreciation rights (“SARs”) to various employees. In some cases, the Company has granted phantom shares and SARs that can be settled only in cash and are therefore accounted for as liability awards. The Company recognized total compensation expense of $.4 million in each of the three months ended May 31, 2012 and 2011 related to restricted common stock and phantom shares. The Company recognized total compensation expense of $.8 million in the six months ended May 31, 2012 and $1.4 million in the six months ended May 31, 2011 related to these stock-based awards.

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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 FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 Reference 4: 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 5: 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 6: 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 7: 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 8: 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 + Details
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