Unaudited Condensed Consolidated Statement of Operations Statement (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues	$ 746,746	$ 624,231	$ 1,492,255	$ 1,274,649
Costs and expenses	(590,882)	(498,248)	(1,170,151)	(989,339)
Gross profits	155,864	125,983	322,104	285,310
General and administrative expenses	(46,127)	(31,379)	(102,137)	(62,302)
Losses (gains) on divestitures and impairment charges, net	34,994	(5,545)	32,182	(6,514)
Operating income	144,731	89,059	252,149	216,494
Interest expense	(46,307)	(32,740)	(91,303)	(65,509)
Gains on early extinguishment of debt, net	(29,158)	468	(29,158)	468
Other (expense) income, net	50	(695)	1,586	(1,680)
Income before income taxes	69,316	56,092	133,274	149,773
Provision for income taxes	(37,357)	(21,598)	(60,064)	(56,888)
Net income	31,781	34,435	73,172	93,158
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	178	59	(38)	273
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	31,959	34,494	73,210	92,885
Net income attributable to noncontrolling interests	(5,859)	(820)	(6,148)	(1,922)
Net income attributable to common stockholders	$ 25,922	$ 33,615	$ 67,024	$ 91,236
Basic earnings per share:
Net income attributable to common stockholders, basic	$ 0.12	$ 0.16	$ 0.32	$ 0.43
Basic weighted average number of shares	212,390	211,821	212,613	211,602
Diluted earnings per share:
Net income attributable to common stockholders, diluted	$ 0.12	$ 0.16	$ 0.31	$ 0.42
Diluted weighted average number of shares	215,989	215,946	216,593	215,603
Dividends declared per share	$ 0.08	$ 0.07	$ 0.16	$ 0.13