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Consolidated Statements of Shareholders' Equity (USD $) In Thousands | Total | Common Stock [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | ---
Balance at Dec. 31, 2010 | $ 294,977 | $ 63,623 | $ 231,354 |
Balance, Shares at Dec. 31, 2010 |  | 24,235 |  |
Net Income | 49,602 |  | 49,602 |
Non-Cash Share-Based Compensation | 5,221 | 5,221 |  |
Common Stock Issued under Stock Plans, net of Shares Withheld for Employee Taxes | 5,261 | 5,261 |  |
Common Stock Issued under Stock Plans, net of Shares Withheld for Employee Taxes, Shares |  | 341 |  |
Excess Tax Benefit from Equity Awards | 980 | 980 |  |
Taxes Paid Related to Net Share Settlement of Stock Awards | (207) | (207) |  |
Dividends Accrued of $0.92, $0.94, and $0.96 Per Share in 2011, 2012 and 2013 | (22,692) |  | (22,692) |
Balance at Dec. 31, 2011 | 333,142 | 74,878 | 258,264 |
Balance, Shares at Dec. 31, 2011 |  | 24,576 |  |
Net Income | 44,777 |  | 44,777 |
Non-Cash Share-Based Compensation | 3,840 | 3,840 |  |
Common Stock Issued under Stock Plans, net of Shares Withheld for Employee Taxes | 5,841 | 5,841 |  |
Common Stock Issued under Stock Plans, net of Shares Withheld for Employee Taxes, Shares |  | 355 |  |
Excess Tax Benefit from Equity Awards | 1,033 | 1,033 |  |
Taxes Paid Related to Net Share Settlement of Stock Awards | (250) | (250) |  |
Dividends Accrued of $0.92, $0.94, and $0.96 Per Share in 2011, 2012 and 2013 | (23,645) |  | (23,645) |
Balance at Dec. 31, 2012 | 364,738 | 85,342 | 279,396 |
Balance, Shares at Dec. 31, 2012 | 24,931 | 24,931 |  |
Net Income | 43,397 |  | 43,397 |
Non-Cash Share-Based Compensation | 3,680 | 3,680 |  |
Common Stock Issued under Stock Plans, net of Shares Withheld for Employee Taxes | 15,067 | 15,067 |  |
Common Stock Issued under Stock Plans, net of Shares Withheld for Employee Taxes, Shares |  | 826 |  |
Excess Tax Benefit from Equity Awards | 1,329 | 1,329 |  |
Taxes Paid Related to Net Share Settlement of Stock Awards | (2,395) | (2,395) |  |
Dividends Accrued of $0.92, $0.94, and $0.96 Per Share in 2011, 2012 and 2013 | (24,755) |  | (24,755) |
Other Comprehensive Loss | (31) |  |  | (31)
Balance at Dec. 31, 2013 | 401,030 | 103,023 | 298,038 | (31)
Balance, Shares at Dec. 31, 2013 | 25,757 | 25,757 |  |
Balance at Sep. 30, 2013 | 395,694 |  |  |
Net Income | 11,761 |  |  |
Other Comprehensive Loss | (31) |  |  | (31)
Balance at Dec. 31, 2013 | $ 401,030 |  |  | $ (31)
Balance, Shares at Dec. 31, 2013 | 25,757 |  |  |

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