Stock Incentive Plans	3 Months Ended
Stock Incentive Plans	Mar. 31, 2015
Stock Incentive Plans [Abstract]
Stock Incentive Plans	14. Stock Incentive Plans Our Amended and Restated 2005 Long-Term Incentive Plan (“2005 Plan”) authorizes up to 6,200,000 shares of common stock to be issued at the discretion of the Compensation Committee of the Board of Directors. The 2005 Plan replaced the 1995 Stock Incentive Plan (“1995 Plan”) and the Stock Plan for Non-Employee Directors. The options granted to officers and key employees under the 1995 Plan vested through 2010 and expire ten years from the date of grant. Our non-employee directors, officers and key employees are eligible to participate in the 2005 Plan. The 2005 Plan allows for the issuance of, among other things, stock options, restricted stock, deferred stock units and dividend equivalent rights. Vesting periods for options, deferred stock units and restricted shares generally range from three to five years. Options expire ten years from the date of grant. Stock-based compensation expense totaled $9,054,000 for the three months ended March 31, 2015 and $7,667,000 for the same period in 2014.

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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