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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2011
Stock-Based Compensation [Abstract] |
Compensation Expense For Stock Options And Restricted Stock |
|  | Year Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
|  | (In thousands) |
Stock options |  | $ | — |  |  | $ | 226 |  |  | $ | 720 |
Restricted stock |  |  | 9,736 |  |  |  | 6,780 |  |  |  | 6,541 |
Impact on income before income taxes |  |  | 9,736 |  |  |  | 7,006 |  |  |  | 7,261 |
Income tax benefit |  |  | (3,784 | ) |  |  | (2,721 | ) |  |  | (2,827 | )
Impact on net income |  | $ | 5,952 |  |  | $ | 4,285 |  |  | $ | 4,434 |
Summary Of Stock Option Activity |
|  | Options |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Term (years) |  |  | Aggregate Intrinsic Value |
|  |  |  |  |  |  |  |  |  |  | (In thousands) |
Outstanding at December 31, 2008 |  |  | 2,227,032 |  |  | $ | 19.85 |  |  |  |  |  |  |  |  |
Exercised |  |  | (185,801 | ) |  |  | 8.69 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (67,930 | ) |  |  | 19.11 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2009 |  |  | 1,973,301 |  |  |  | 20.92 |  |  |  |  |  |  |  |  |
Exercised |  |  | (394,420 | ) |  |  | 19.01 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (10,497 | ) |  |  | 24.62 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2010 |  |  | 1,568,384 |  |  |  | 21.38 |  |  |  |  |  |  |  |  |
Exercised |  |  | (343,685 | ) |  |  | 20.34 |  |  |  |  |  |  |  |  |
Outstanding and exercisable at December 31, 2011 |  |  | 1,224,699 |  |  | $ | 21.64 |  |  |  | 1.5 |  |  | $ | 4,485 |
Summary Of Restricted Stock Activity |
|  | 2011 |  |  | 2010 |  |  | 2009 |
|  | Shares |  |  | Fair Market Value at Date of Grant |  |  | Shares |  |  | Fair Market Value at Date of Grant |  |  | Shares |  |  | Fair Market Value at Date of Grant |
|  | (Dollars in thousands) |
Restricted stock at January 1 |  |  | 1,478,000 |  |  | $ | 30,600 |  |  |  | 1,235,505 |  |  | $ | 24,718 |  |  |  | 1,038,270 |  |  | $ | 23,023 |
Granted |  |  | 575,694 |  |  |  | 16,005 |  |  |  | 573,440 |  |  |  | 12,693 |  |  |  | 444,985 |  |  |  | 6,995 |
Vested |  |  | (229,979 | ) |  |  | (5,816 | ) |  |  | (318,350 | ) |  |  | (6,563 | ) |  |  | (237,370 | ) |  |  | (5,079 | )
Cancellations |  |  | (5,970 | ) |  |  | (134 | ) |  |  | (12,595 | ) |  |  | (248 | ) |  |  | (10,380 | ) |  |  | (221 | )
Restricted stock at December 31 |  |  | 1,817,745 |  |  | $ | 40,655 |  |  |  | 1,478,000 |  |  | $ | 30,600 |  |  |  | 1,235,505 |  |  | $ | 24,718 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (h)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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
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- 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
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