CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 205,327	$ 143,319
Costs and Expenses:
Operating Expenses	130,637	111,237
Depreciation and Amortization	40,815	42,978
General and Administrative	19,781	17,674
Costs and Expenses, Total	191,233	171,889
Operating Income (Loss)	14,094	(28,570)
Other Income (Expense):
Interest Expense	(18,488)	(19,669)
Other, Net	196	1,009
Loss Before Income Taxes	(4,198)	(47,230)
Income Tax Benefit	39,360	8,888
Net Income (Loss)	$ 35,162	$ (38,342)
Earnings (Loss) Per Share:
Basic (in dollars per share)	$ 0.22	$ (0.28)
Diluted (in dollars per share)	$ 0.22	$ (0.28)
Weighted Average Shares Outstanding:
Basic (in shares)	158,931	139,208
Diluted (in shares)	161,125	139,208