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Condensed Consolidated Statements of Changes in Shareholders' Deficit - USD ($) $ in Thousands | Preferred Stock | Common Stock | Treasury Stock | Additional Paid-in Capital | Retained Deficit | Accumulated Other Comprehensive Loss | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 |  | $ 813 | $ (28,414) | $ 956,146 | $ (1,635,277) | $ (1,282) | $ (708,014)
Balance (in shares) at Dec. 31, 2014 | 8,624 | 79,161,817 |  |  |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |  |
Share-based compensation arrangements, net of tax benefits of $6,379 and $689 for the three months ended March 31, 2015 and 2016 respectively |  | $ 5 |  | 11,228 |  |  | 11,233
Share-based compensation arrangements (in shares) |  | 543,816 |  |  |  |  |
Foreign currency translation adjustment |  |  |  |  |  | (1,716) | (1,716)
Net income |  |  |  |  | 1,869 |  | 1,869
Balance at Mar. 31, 2015 |  | $ 818 | (28,414) | 967,374 | (1,633,408) | (2,998) | (696,628)
Balance (in shares) at Mar. 31, 2015 | 8,624 | 79,705,633 |  |  |  |  |
Balance at Dec. 31, 2015 |  | $ 830 | (28,414) | 988,686 | (1,634,591) | (4,554) | (678,043)
Balance (in shares) at Dec. 31, 2015 | 8,624 | 80,889,275 |  |  |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |  |  |
Share-based compensation arrangements, net of tax benefits of $6,379 and $689 for the three months ended March 31, 2015 and 2016 respectively |  | $ 4 |  | 3,922 |  |  | 3,926
Share-based compensation arrangements (in shares) |  | 394,906 |  |  |  |  |
Foreign currency translation adjustment |  |  |  |  |  | 1,312 | 1,312
Net income |  |  |  |  | 23,708 |  | 23,708
Balance at Mar. 31, 2016 |  | $ 834 | $ (28,414) | $ 992,608 | $ (1,610,883) | $ (3,242) | $ (649,097)
Balance (in shares) at Mar. 31, 2016 | 8,624 | 81,284,181 |  |  |  |  |

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