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Consolidated Statements of Stockholders' Equity (USD $) In Thousands | Total | Treasury Stock | Accumulated Other Comprehensive Income (Loss) | Paid-In Capital | Retained Earnings / (Accumulated Deficit) | Common Class A [Member] | Common Class B [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2008 |  | $ 197,523 | $ (236,514) | $ (36,635) | $ 537,022 | $ (66,900) | $ 429 | $ 121
Beginning balance, shares at Dec. 31, 2008 |  |  |  |  |  |  | 42,923 | 12,029
Shares awarded under stock compensation plans, shares |  |  |  |  |  |  | 104 |
Purchases of treasury stock |  | (61) | (61) |  |  |  |  |
Income tax benefit associated with convertible note hedge |  | 4,293 |  |  | 4,293 |  |  |
Fair value of interest rate swap agreements, net of tax expense of $7,045, $2,247 and $1,527 in 2009, 2010 and 2011 respectively |  | 11,494 |  | 11,494 |  |  |  |
Discontinuance of cash flow swaps, net of tax expense of $1,711 |  | 2,791 |  | 2,791 |  |  |  |
Issuance of Common Stock, shares |  |  |  |  |  |  | 11,699 |
Issuance of Common Stock |  | 105,212 |  |  | 105,095 |  | 117 |
Derecognition of equity component of 4.25% Convertible Notes(1), net of tax benefit of $2,887 | [1] | (4,331) |  |  | (4,331) |  |  |
Recognition of equity component of 5.0% Convertible Notes(2), net of tax expense of $12,823 | [2] | 18,146 |  |  | 18,146 |  |  |
Stock-based compensation expense |  | 603 |  |  | 603 |  |  |
Restricted stock amortization |  | 1,329 |  |  | 1,329 |  |  |
Other, shares |  |  |  |  |  |  | 261 |
Other |  | 205 |  |  | 29 | 172 | 4 |
Net income (loss) |  | 31,548 |  |  |  | 31,548 |  |
Ending balance at Dec. 31, 2009 |  | 368,752 | (236,575) | (22,350) | 662,186 | (35,180) | 550 | 121
Ending balance, shares at Dec. 31, 2009 |  |  |  |  |  |  | 54,987 | 12,029
Shares awarded under stock compensation plans, shares |  |  |  |  |  |  | 396 |
Shares awarded under stock compensation plans |  | 1,741 |  |  | 1,737 |  | 4 |
Purchases of treasury stock |  | (1,113) | (1,113) |  |  |  |  |
Income tax (expense) benefit associated with stock compensation plans |  | (12) |  |  | (12) |  |  |
Income tax benefit associated with convertible note hedge |  | 239 |  |  | 239 |  |  |
Fair value of interest rate swap agreements, net of tax expense of $7,045, $2,247 and $1,527 in 2009, 2010 and 2011 respectively |  | 3,667 |  | 3,667 |  |  |  |
Stock-based compensation expense |  | 513 |  |  | 513 |  |  |
Restricted stock amortization |  | 2,301 |  |  | 2,301 |  |  |
Other, shares |  |  |  |  |  |  | 356 |
Other |  |  |  |  | (3) |  | 3 |
Net income (loss) |  | 89,929 |  |  |  | 89,929 |  |
Dividends ($0.025 and 0.10 per share) in 2010 and 2011 respectively |  | (1,322) |  |  |  | (1,322) |  |
Ending balance at Dec. 31, 2010 |  | 464,695 | (237,688) | (18,683) | 666,961 | 53,427 | 557 | 121
Ending balance, shares at Dec. 31, 2010 |  |  |  |  |  |  | 55,739 | 12,029
Shares awarded under stock compensation plans, shares |  |  |  |  |  |  | 350 |
Shares awarded under stock compensation plans |  | 645 |  |  | 641 |  | 4 |
Purchases of treasury stock |  | (10,987) | (10,987) |  |  |  |  |
Income tax (expense) benefit associated with stock compensation plans |  | 1,772 |  |  | 1,772 |  |  |
Fair value of interest rate swap agreements, net of tax expense of $7,045, $2,247 and $1,527 in 2009, 2010 and 2011 respectively |  | (2,492) |  | (2,492) |  |  |  |
Change in pension actuarial loss, net of tax benefit of $193 |  | (315) |  | (315) |  |  |  |
Derecognition of equity component of 4.25% Convertible Notes(1), net of tax benefit of $2,887 | [2] | (5,230) |  |  | (5,230) |  |  |
Stock-based compensation expense |  | 438 |  |  | 438 |  |  |
Restricted stock amortization |  | 3,260 |  |  | 3,260 |  |  |
Other, shares |  |  |  |  |  |  | 289 |
Other |  |  |  |  | (3) |  | 3 |
Net income (loss) |  | 76,254 |  |  |  | 76,254 |  |
Dividends ($0.025 and 0.10 per share) in 2010 and 2011 respectively |  | (5,298) |  |  |  | (5,298) |  |
Ending balance at Dec. 31, 2011 |  | $ 522,742 | $ (248,675) | $ (21,490) | $ 667,839 | $ 124,383 | $ 564 | $ 121
Ending balance, shares at Dec. 31, 2011 |  |  |  |  |  |  | 56,378 | 12,029
[1] | 4.25% Convertible Senior Subordinated Notes due 2010 (the "4.25% Convertible Notes"). See Note 6, "Long-Term Debt," for further discussion.
[2] | 5.0% Convertible Senior Notes due 2029 which are redeemable by us and which may be put to us by the holders after October 1, 2014 under certain circumstances (the "5.0% Convertible Notes"). See Note 6, "Long-Term Debt," for further discussion.

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