XML 59 R56.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Capital Stock (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2011
Capital Stock [Abstract] |
Treasury stock |
|  | Number of Treasury Shares |  |  | Cost |
Balance at January 1, 2010 |  |  | 3,305,418 |  |  | $ | 43,895 |
Restricted stock forfeitures (1) |  |  | 2,719 |  |  |  | — |
Noncash stock option exercises (2 ) |  |  | 35,298 |  |  |  | 531 |
Restricted stock withholdings (3 ) |  |  | 16,424 |  |  |  | 299 |
Balance at December 31, 2010 |  |  | 3,359,859 |  |  | $ | 44,725 |
Restricted stock forfeitures (1) |  |  | 1,920 |  |  |  | — |
Restricted stock withholdings ( 4 ) |  |  | 25,200 |  |  |  | 494 |
Restricted stock awards canceled (1) |  |  | 4,613 |  |  |  | — |
Balance at December 31, 2011 |  |  | 3,391,592 |  |  | $ | 45,219 |
(1) | The Company repurchased forfeited and canceled restricted shares at a cost of $0.001 per share in accordance with the Company’s Amended and Restated 2006 Long Term Incentive Plan.
(2) | In a noncash stock option exercise, the exercise price for the shares to be held by employees and the related tax withholdings are satisfied with stock withholdings. The Company repurchased the shares at current market value based on the days on which the stock options were exercised, which ranged from $14.85 to $15.17.
(3) | The Company repurchased restricted shares as a result of the election by employees to have the Company withhold shares of restricted stock to satisfy their tax liabilities upon vesting in restricted stock. The Company repurchased the shares at market value on the dates of repurchase.
(4) | The Company withheld restricted shares as a result of the election by certain employees to satisfy their tax liabilities upon vesting in restricted stock. The Company determined the number of shares to be withheld based upon a market value of $19.60 per share.
Stock Options |
|  | Year Ended December 31, 2009 |  |  | Year Ended December 31, 2010 |  |  | Year Ended December 31, 2011 |  |  |  |
|  | Shares |  |  | Weighted Average Exercise Price |  |  | Shares |  |  | Weighted Average Exercise Price |  |  | Shares |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |
Outstanding at January 1 |  |  | 6,139,670 |  |  | $ | 7.63 |  |  |  | 1,231,892 |  |  | $ | 7.63 |  |  |  | 140,356 |  |  | $ | 7.63 |  |  |  |  |
Exercised |  |  | (4,907,778 | ) |  | $ | 7.63 |  |  |  | (1,091,536 | ) |  | $ | 7.63 |  |  |  | (58,190 | ) |  | $ | 7.63 |  |  |  |  |
Outstanding at December 31 |  |  | 1,231,892 |  |  | $ | 7.63 |  |  |  | 140,356 |  |  | $ | 7.63 |  |  |  | 82,166 |  |  | $ | 7.63 |  |  | $ | 892 |
Vested options at December 31 |  |  | 1,231,892 |  |  | $ | 7.63 |  |  |  | 140,356 |  |  | $ | 7.63 |  |  |  | 82,166 |  |  | $ | 7.63 |  |  | $ | 892 |
Restricted stock |
|  | Year Ended December 31, 2009 |  |  | Year Ended December 31, 2010 |  |  | Year Ended December 31, 2011 |
|  | Shares |  |  | Weighted Average Exercise Price |  |  | Shares |  |  | Weighted Average Exercise Price |  |  | Shares |  |  | Weighted Average Exercise Price |
Outstanding at January 1 |  |  | 385,666 |  |  | $ | 13.32 |  |  |  | 764,078 |  |  | $ | 11.10 |  |  |  | 1,254,691 |  |  | $ | 14.60 |
Granted |  |  | 472,881 |  |  | $ | 9.69 |  |  |  | 683,921 |  |  | $ | 17.94 |  |  |  | 424,436 |  |  | $ | 19.45 |
Vested |  |  | (70,493 | ) |  | $ | 13.77 |  |  |  | (190,589 | ) |  | $ | 12.63 |  |  |  | (288,204 | ) |  | $ | 10.84 |
Canceled |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,613 | ) |  | $ | 18.35 |
Forfeited |  |  | (23,976 | ) |  | $ | 11.15 |  |  |  | (2,719 | ) |  | $ | 11.03 |  |  |  | (1,920 | ) |  | $ | 14.34 |
Outstanding at December 31 |  |  | 764,078 |  |  | $ | 11.10 |  |  |  | 1,254,691 |  |  | $ | 14.60 |  |  |  | 1,384,390 |  |  | $ | 16.85 |
Number of shares vested under restricted stock unit awards |
|  | Granted During the Year Ended December 31, |
|  | 2009 |  |  | 2010 |  |  | 2011 |
|  | Number of Shares |  |  | Value at |  |  | Number of Shares |  |  | Value at |  |  | Number of Shares |  |  | Value at |
|  | Vesting |  |  | Grant |  |  | Vesting |  |  | Grant |  |  | Vesting |  |  | Grant |
at IRR of at least 8.5% |  |  | 101,051 |  |  | $ | 963 |  |  |  | 132,144 |  |  | $ | 2,423 |  |  |  | 51,239 |  |  | $ | 991 |
at IRR of at least 10.5% |  |  | 202,117 |  |  | $ | 1,927 |  |  |  | 264,288 |  |  | $ | 4,847 |  |  |  | 102,488 |  |  | $ | 1,983 |
at IRR of at least 12.5% |  |  | 303,168 |  |  | $ | 2,891 |  |  |  | 396,429 |  |  | $ | 7,271 |  |  |  | 153,727 |  |  | $ | 2,975 |

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's treasury stock, including the average cost per share, carrying basis for each class of treasury stock, description of share repurchase program authorized by an entity's board of directors, the number of shares repurchased, the cost of the shares repurchased, the remaining maximum dollar value of shares available for repurchase under the program, the treatment of the purchase price in excess of the current market value, number of shares held for each class of treasury stock, and other information necessary to a fair presentation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 + Details
Name: | us-gaap_ScheduleOfTreasuryStockByClassTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration