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Supplemental Cash Flow Information	12 Months Ended
Supplemental Cash Flow Information	Dec. 31, 2014
Supplemental Cash Flow Information [Abstract]
SUPPLEMENTAL CASH FLOW INFORMATION	SUPPLEMENTAL CASH FLOW INFORMATION During the year ended December 31, 2014, we paid $241.1 million in interest, net of amounts capitalized, and paid $22.0 million in income taxes, net of refunds. During the year ended December 31, 2013, we paid $250.4 million in interest, net of amounts capitalized, and received $39.6 million in net refunds from income taxes. During the year ended December 31, 2012, we paid $241.2 million in interest, net of amounts capitalized, and received $107.0 million in net refunds from income taxes. As of December 31, 2014, 2013 and 2012, the amount of accounts payable related to capital expenditures was $1.8 million, $4.7 million and $15.7 million, respectively. During the years ended December 31, 2014, 2013 and 2012, total amortization of deferred revenue was $55.7 million, $56.5 million and $54.9 million, respectively.