Stock-Based Compensation and Stock Awards	3 Months Ended
Stock-Based Compensation and Stock Awards	Mar. 31, 2014
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Compensation and Stock Awards	4. Stock-Based Compensation and Stock Awards During the three months ended March 31, 2014 and 2013, the Company recognized approximately $2.8 million and $2.1 million, respectively, of stock-based compensation expense, which is included in the selling, general and administrative expense line of the Condensed Consolidated Statements of Income. No stock-based compensation expense was capitalized during the three months ended March 31, 2014 or 2013. There were no stock options or awards granted in the first quarter of 2014. Except for a de minimis amount, there were no stock options or awards granted in the first quarter of 2013.

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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