Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
REVENUES	$ 404,222	$ 416,723
EXPENSES:
Operating	287,380	298,222
General and administrative	25,392	31,232
Depreciation and amortization	28,384	27,377
Costs and Expenses, Total	341,156	356,831
OPERATING INCOME	63,066	59,892
OTHER (INCOME) EXPENSE:
Interest expense, net	10,348	12,566
Expenses associated with debt refinancing transactions		225
Other (income) expense	(387)	101
Total non-operating expense (income)	9,961	12,892
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	53,105	47,000
Income tax (expense) benefit	(1,367)	134,447
Income from continuing operations	51,738	181,447
Loss from discontinued operations, net of taxes		(355)
NET INCOME	$ 51,738	$ 181,092
BASIC EARNINGS PER SHARE:
Income from continuing operations	$ 0.45	$ 1.81
Loss from discontinued operations, net of taxes
Net income	$ 0.45	$ 1.81
DILUTED EARNINGS PER SHARE:
Income from continuing operations	$ 0.44	$ 1.78
Loss from discontinued operations, net of taxes
Net income	$ 0.44	$ 1.78
Regular Dividend
DILUTED EARNINGS PER SHARE:
Dividend declared on common stock, per share	$ 0.51	$ 0.53