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Equity and Distributions (Tables) | 9 Months Ended
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Sep. 30, 2013
Equity and Distributions [Abstract] |
Summary of Changes in Outstanding Units | Partners' equity reflects the various classes of limited partner interests (i.e., common units, including restricted common units, and Class B units) that we have outstanding. The following table summarizes changes in the number of our common units outstanding during the nine months ended September 30, 2013:
|  | Common Units (Unrestricted) |  |  | Restricted Common Units |  |  | Total Common Units |
Number of units outstanding at December 31, 2012 |  |  | 894,919,851 |  |  |  | 3,893,486 |  |  |  | 898,813,337 |
Common units issued in connection with underwritten offering |  |  | 9,200,000 |  |  |  | -- |  |  |  | 9,200,000 |
Common units issued in connection with our at-the-market program |  |  | 7,284,807 |  |  |  | -- |  |  |  | 7,284,807 |
Common units issued in connection with our DRIP and EUPP |  |  | 3,760,154 |  |  |  | -- |  |  |  | 3,760,154 |
Common units issued in connection with the vesting of unit options |  |  | 200,882 |  |  |  | -- |  |  |  | 200,882 |
Common units issued in connection with the vesting of restricted common unit awards |  |  | 1,846,198 |  |  |  | (1,846,198 | ) |  |  | -- |
Conversion and reclassification of Class B units to common units |  |  | 4,520,431 |  |  |  | -- |  |  |  | 4,520,431 |
Restricted common unit awards issued |  |  | -- |  |  |  | 1,769,076 |  |  |  | 1,769,076 |
Forfeiture of restricted common unit awards |  |  | -- |  |  |  | (159,832 | ) |  |  | (159,832 | )
Acquisition and cancellation of treasury units in connection with the vesting of equity-based awards |  |  | (618,317 | ) |  |  | -- |  |  |  | (618,317 | )
Number of units outstanding at September 30, 2013 |  |  | 921,114,006 |  |  |  | 3,656,532 |  |  |  | 924,770,538 |
Reclassification out of Accumulated Other Comprehensive Income (Loss) | The following table presents reclassifications out of accumulated other comprehensive loss into net income during the periods indicated:
| Location |  | For the Three Months Ended September 30, 2013 |  |  | For the Nine Months Ended September 30, 2013 |
Losses (gains) on cash flow hedges: |  |  |  |  |  |  |
Interest rate derivatives | Interest expense |  | $ | 7.7 |  |  | $ | 21.4 |
Commodity derivatives | Revenue |  |  | 14.6 |  |  |  | 15.1 |
Commodity derivatives | Operating costs and expenses |  |  | -- |  |  |  | (0.4 | )
Total |  |  | $ | 22.3 |  |  | $ | 36.1 |
Declared Quarterly Cash Distribution Rates | The following table presents our declared quarterly cash distribution rates per common unit with respect to the quarters indicated:
|  | Distribution Per Common Unit |  | Record Date | Payment Date
2013 |  |  |  |  |
1st Quarter |  | $ | 0.67 |  | 04/30/13 | 05/07/13
2nd Quarter |  | $ | 0.68 |  | 07/31/13 | 08/07/13
3rd Quarter |  | $ | 0.69 |  | 10/31/13 | 11/07/13

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