Supplemental Cash Flow Information	9 Months Ended
Sep. 30, 2013
Supplemental Cash Flow Information [Abstract]
SUPPLEMENTAL CASH FLOW INFORMATION	SUPPLEMENTAL CASH FLOW INFORMATION During the nine months ended September 30, 2013, we paid $146.6 million in interest, net of amounts capitalized, and received $38.3 million in net refunds from income taxes. During the nine months ended September 30, 2012, we paid $137.9 million in interest, net of amounts capitalized, and received $107.0 million in net refunds from income taxes. As of September 30, 2013 and 2012, the amount of accounts payable related to capital expenditures was $3.4 million and $25.3 million, respectively. During the nine months ended September 30, 2013 and 2012, total amortization of deferred revenue was $42.7 million and $41.2 million, respectively. During the nine months ended September 30, 2013 and 2012, our equity in earnings from ATC was $51.0 million and $48.9 million, respectively. During the nine months ended September 30, 2013 and 2012, distributions received from ATC were $40.5 million and $39.0 million, respectively.

Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2013

Supplemental Cash Flow Information [Abstract]

During the nine months ended September 30, 2013, we paid $146.6 million in interest, net of amounts capitalized, and received $38.3 million in net refunds from income taxes. During the nine months ended September 30, 2012, we paid $137.9 million in interest, net of amounts capitalized, and received $107.0 million in net refunds from income taxes.

As of September 30, 2013 and 2012, the amount of accounts payable related to capital expenditures was $3.4 million and $25.3 million, respectively.

During the nine months ended September 30, 2013 and 2012, total amortization of deferred revenue was $42.7 million and $41.2 million, respectively.

During the nine months ended September 30, 2013 and 2012, our equity in earnings from ATC was $51.0 million and $48.9 million, respectively. During the nine months ended September 30, 2013 and 2012, distributions received from ATC were $40.5 million and $39.0 million, respectively.