Equity Based Compensation	6 Months Ended
Equity Based Compensation	Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Equity Based Compensation	Equity Based Compensation Equity compensation expense was $6.4 million and $6.0 million in the second quarter of 2014 and 2013, respectively. In the first quarter of 2014, the Company granted 0.3 million stock appreciation rights at $78.48 weighted average exercise price per share and 0.2 million performance contingent units to employees. Additionally, non-employee directors were granted a total of 15,925 shares of common stock. As of June 30, 2014, 1.9 million share options at $50.82 weighted average per share were vested and exercisable with a remaining weighted average exercise period of 5.1 years. As of June 30, 2014, the total compensation cost of non-vested awards not yet recognized in the condensed consolidated financial statements was $36.5 million. It is estimated that these costs will vest over a weighted average period of 2.1 years. Effective with the 2014 grants, certain eligible associates were granted a greater portion of equity awards in performance contingent units, while others were granted a greater portion of awards settled in cash. This change increases the performance based nature of the awards while reducing share issuance.

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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