Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	11 Months Ended	12 Months Ended		1 Months Ended
	Dec. 31, 2011 Successor company	Dec. 31, 2013 Successor company	Dec. 31, 2012 Successor company	Jan. 24, 2011 Predecessor company
Cash flows from operating activities:
Net (loss) income	$ (414,945)	$ (93,450)	$ (153,294)	$ 586,907
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Deferred income taxes	(52,203)	(94,369)	(96,778)	279,868
Provision for uncollectible revenue	18,344	9,806	7,506	3,454
Depreciation and amortization	336,891	282,438	376,614	21,515
Post-retirement healthcare	35,183	51,035	47,692	2,654
Qualified pension	5,021	6,250	(42)	986
Gain on sale of business	0	(10,044)	0	0
Loss on debt refinancing	0	6,787	0	0
Share-based Compensation	3,810	5,807	4,055	18
Loss on abandoned projects	0	201	2,862	0
Impairment of intangible assets and goodwill	262,019	0	0	0
Other non-cash items	(4,098)	(906)	(3,189)	79
Changes in assets and liabilities arising from operations:
Accounts receivable	7,863	(12,127)	9,587	(7,752)
Prepaid and other assets	(1,926)	(7,044)	(3,301)	(3,423)
Restricted cash	0	5,698	(6,164)	0
Accounts payable and accrued liabilities	(12,303)	(2,070)	3,364	26,627
Accrued interest payable	508	9,801	(332)	9,017
Other assets and liabilities, net	67	13,721	(4,198)	177
Reorganization adjustments:
Non-cash reorganization income	(7,308)	(980)	(5,002)	(917,358)
Claims payable and estimated claims accrual	(66,712)	(46)	(8,824)	(1,096)
Restricted cash—Cash Claims Reserve	59,888	577	22,219	(82,764)
Total adjustments	585,044	264,535	346,069	(667,998)
Net cash provided by (used in) operating activities	170,099	171,085	192,775	(81,091)
Cash flows from investing activities:
Net capital additions	(163,648)	(128,298)	(145,066)	(12,477)
Proceeds from sale of business	0	30,452	0	0
Distributions from investments and proceeds from the sale of property	798	1,895	759	0
Net cash used in investing activities	(162,850)	(95,951)	(144,307)	(12,477)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	0	920,590	0
Financing costs	(884)	(13,217)	0	(1,500)
Repayments of long-term debt	0	(961,800)	(43,000)	0
Restricted cash	1,843	0	1,573	34
Proceeds from exercise of stock options	0	55	64	0
Repayment of capital lease obligations	(1,120)	(1,265)	(1,252)	(201)
Net cash used in financing activities	(161)	(55,637)	(42,615)	(1,667)
Net change	7,088	19,497	5,853	(95,235)
Cash, beginning of period	10,262	23,203	17,350	105,497
Cash, end of period	17,350	42,700	23,203	10,262
Supplemental disclosure of cash flow information:
Interest paid, net of capitalized interest	62,290	64,786	66,619	0
Income tax paid, net of refunds	218	1,647	562	0
Capital additions included in accounts payable, claims payable and estimated claims accrual or liabilities subject to compromise at period-end	854	8,067	9,501	1,818
Reorganization costs paid	20,069	324	1,197	11,110
Non-cash settlement of claims payable	$ 0	$ 0	$ 7,668	$ 0