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Stock Plans | 12 Months Ended
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Dec. 31, 2011
Stock Plans [Abstract] |
Stock Plans | Note K—Stock Plans Under various stock plans, officers, employees, and outside directors have received or may receive grants of restricted stock, stock units, stock appreciation rights or options to purchase common stock. Grants have been made at the discretion of the Committees of the Board of Directors. Grants generally vest over four years. Shares offered under the plan are authorized but unissued shares or treasury shares. Options currently outstanding under the plans have an exercise price equal to the fair market value of the Company's common stock at the date of grant and consist of non-statutory stock options under the Internal Revenue Code, and generally have a term of 10 years. Recipients of restricted stock do not pay any cash consideration to the Company for the shares, have the right to vote all shares subject to such grant, and for grants made prior to July 28, 2009, receive all dividends with respect to such shares on the dividend payment dates, whether or not the shares have vested as long as any performance condition has been met. Restricted stock grants made on or after July 28, 2009, contain forfeitable rights to dividends. Dividends for these grants are accrued on the dividend payment dates but are not paid until the shares vest, and dividends accrued for shares that ultimately do not vest are forfeited. Recipients of stock units do not pay any cash consideration for the units, do not have the right to vote, and do not receive dividends with respect to such units. Compensation expense for restricted stock and stock units is generally recognized on a straight-line basis over the vesting period, based on the stock's fair market value on the grant date. For restricted stock grants issued with performance conditions, compensation expense is recognized over each vesting tranche. FASB authoritative guidance requires that excess tax benefits be recognized as an addition to capital surplus and that unrealized tax benefits be recognized as income tax expense unless there are excess tax benefits from previous equity awards to which it can be offset. The Company calculates the amount of eligible excess tax benefits that are available to offset future tax shortfalls in accordance with the long-form method described in the FASB authoritative guidance. The Company determines the fair value of options to purchase common stock using the Black-Scholes valuation model. The Company recognizes expense over the service period for options that are expected to vest and records adjustments to compensation expense at the end of the service period if actual forfeitures differ from original estimates. The Company has not granted any options to purchase common stock since 2006. The Company recognizes compensation expense for only the portion of restricted stock and stock units that is expected to vest, rather than record forfeitures when they occur. If the actual number of forfeitures differs from those estimated by management, additional adjustments to compensation expense may be required in future periods. For purposes of calculating stock-based compensation expense for retirement-eligible employees, the service period is assumed to be met on the grant date or retirement-eligible date, whichever is later. Stock-based compensation expense consisted of the following (in thousands):
|  | Years Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Stock options |  | $ | — |  |  | $ | 170 |  |  | $ | 828 |
Restricted stock and stock units |  |  | 50,906 |  |  |  | 56,949 |  |  |  | 60,320 |
|  | $ | 50,906 |  |  | $ | 57,119 |  |  | $ | 61,148 |
Total unrecognized compensation cost, net of estimated forfeitures, consisted of the following (in thousands):
|  | December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Stock options |  | $ | — |  |  | $ | — |  |  | $ | 218 |
Restricted stock and stock units |  |  | 54,419 |  |  |  | 62,928 |  |  |  | 80,306 |
|  | $ | 54,419 |  |  | $ | 62,928 |  |  | $ | 80,524 |
The unrecognized compensation cost is expected to be recognized over the next four years. The following table reflects activity under all stock plans from December 31, 2008 through December 31, 2011, and the weighted average exercise prices (in thousands, except per share amounts):
|  | Restricted Stock Plans |  |  | Stock Option Plans |
|  | Number of Shares/ Units |  |  | Weighted Average Grant Date Fair Value |  |  | Number of Shares |  |  | Weighted Average Exercise Price Per Share |
Outstanding, December 31, 2008 |  |  | 5,002 |  |  | $ | 31.00 |  |  |  | 9,178 |  |  | $ | 20.98 |
Granted |  |  | 2,827 |  |  | $ | 16.36 |  |  |  | — |  |  |  | — |
Exercised |  |  | — |  |  |  | — |  |  |  | (1,700 | ) |  | $ | 14.68 |
Restrictions lapsed |  |  | (2,125 | ) |  | $ | 27.80 |  |  |  | — |  |  |  | — |
Forfeited |  |  | (335 | ) |  | $ | 25.98 |  |  |  | (189 | ) |  | $ | 25.42 |
Outstanding, December 31, 2009 |  |  | 5,369 |  |  | $ | 24.87 |  |  |  | 7,289 |  |  | $ | 22.34 |
Granted |  |  | 1,545 |  |  | $ | 26.81 |  |  |  | — |  |  |  | — |
Exercised |  |  | — |  |  |  | — |  |  |  | (1,726 | ) |  | $ | 22.22 |
Restrictions lapsed |  |  | (2,722 | ) |  | $ | 28.17 |  |  |  | — |  |  |  | — |
Forfeited |  |  | (196 | ) |  | $ | 23.48 |  |  |  | (247 | ) |  | $ | 29.66 |
Outstanding, December 31, 2010 |  |  | 3,996 |  |  | $ | 23.44 |  |  |  | 5,316 |  |  | $ | 22.04 |
Granted |  |  | 1,402 |  |  | $ | 32.02 |  |  |  | — |  |  |  | — |
Exercised |  |  | — |  |  |  | — |  |  |  | (806 | ) |  | $ | 22.73 |
Restrictions lapsed |  |  | (2,389 | ) |  | $ | 25.27 |  |  |  | — |  |  |  | — |
Forfeited |  |  | (94 | ) |  | $ | 23.09 |  |  |  | (60 | ) |  | $ | 26.05 |
Outstanding, December 31, 2011 |  |  | 2,915 |  |  | $ | 26.08 |  |  |  | 4,450 |  |  | $ | 21.85 |
The total pre-tax intrinsic value of stock options exercised and the total fair value of shares vested during the years ended December 31, 2011, 2010 and 2009, are reflected in the following table (in thousands):
|  | Years Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Total pre-tax intrinsic value of stock options exercised |  | $ | 6,429 |  |  | $ | 9,567 |  |  | $ | 15,533 |
Total fair value of shares vested |  | $ | 67,076 |  |  | $ | 79,434 |  |  | $ | 51,013 |
The following table summarizes information about options outstanding and exercisable as of December 31, 2011 (in thousands, except number of years and per share amounts):
|  | Options Outstanding and Exercisable |
Range of Exercise Prices |  | Number Outstanding and Exercisable as of December 31, 2011 |  |  | Weighted Average Remaining Contractual Life |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |
$12.22 to $16.94 |  |  | 488 |  |  |  | 1.04 |  |  | $ | 15.99 |  |  | $ | 6,088 |
$16.95 to $16.95 |  |  | 1,115 |  |  |  | 0.83 |  |  | $ | 16.95 |  |  |  | 12,834 |
$17.06 to $22.85 |  |  | 1,161 |  |  |  | 1.64 |  |  | $ | 21.53 |  |  |  | 8,040 |
$22.97 to $33.89 |  |  | 1,686 |  |  |  | 2.27 |  |  | $ | 27.02 |  |  |  | 2,428 |
|  |  | 4,450 |  |  |  | 1.61 |  |  | $ | 21.85 |  |  | $ | 29,390 |
The aggregate intrinsic value in the preceding table represents the total pre-tax intrinsic value, based on the Company's closing stock price of $28.46 as of December 31, 2011, which would have been received by the option holders had they exercised their in-the-money options as of that date. At December 31, 2011, the total number of available shares to grant under the plans (consisting of either restricted stock, stock units, stock appreciation rights or options to purchase common stock) was approximately 7.4 million. All of the 4.5 million options outstanding at December 31, 2011, were exercisable with a weighted average exercise price of $21.85.

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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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