Share Based Compensation	6 Months Ended
Share Based Compensation	Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]
Share-based compensation	7. Share-based compensation The Company’s 2007 Long-Term Incentive Plan permits the granting of stock options, stock appreciation rights, restricted stock and restricted stock units to its employees and directors for up to 5.8 million shares of common stock. In June 2012, the Company granted 497 thousand options to purchase shares of common stock and 273 thousand restricted stock units to certain employees pursuant to the plan. In addition, all non-employee directors on the Company’s board of directors are paid a portion of their board related compensation in stock grants. Compensation cost charged to expense related to these share-based compensation arrangements was $699 and $1,714, respectively, for the three and six months ended June 30, 2012 and $323 and $843, respectively, for the three and six months ended June 30, 2011.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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+ Details