Unit-Based Compensation Plans	9 Months Ended
Unit-Based Compensation Plans	Sep. 30, 2011
Deferred Compensation Arrangements [Abstract]
Unit-Based Compensation Plans	UNIT-BASED COMPENSATION PLANS: During the nine months ended September 30, 2011, employees were granted a total of 556,700 unvested awards with five-year service vesting requirements, and directors were granted a total of 2,580 unvested awards with three-year service vesting requirements. The weighted average grant-date fair value of these awards was $53.12 per unit. As of September 30, 2011 a total of 2,349,540 unit awards remain unvested, including the new awards granted during the period. We expect to recognize a total of $58.3 million in compensation expense over a weighted average period of 1.7 years related to unvested awards.

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