Equity Based Compensation	9 Months Ended
Equity Based Compensation	Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Equity Based Compensation	Equity Based Compensation Equity compensation expense was $5.5 million and $3.7 million in the third quarter of 2013 and 2012, respectively. In the first quarter of 2013, the Company granted 0.7 million stock appreciation rights at $58.77 weighted average exercise price per share and 0.3 million performance contingent units to employees. Additionally, non-employee directors were granted a total of 14,200 shares of common stock. As of September 30, 2013, 1.7 million share options at $50.57 weighted average per share were vested and exercisable with a remaining weighted average exercise period of 4.9 years. As of September 30, 2013, the total compensation cost of non-vested awards not yet recognized in the condensed consolidated financial statements was $32.7 million. It is estimated that these costs will vest over a weighted average period of 2.1 years.

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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