Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net loss	$ (32,237)	$ (47,485)
Adjustments to reconcile net loss to net cash provided by operating activities:
Deferred income taxes	(10,032)	(28,158)
Provision for uncollectible revenue	2,175	2,489
Depreciation and amortization	54,071	91,433
Post-retirement healthcare	12,467	14,135
Qualified pension	(2,161)	5,884
Loss on abandoned projects	35	0
Stock-based compensation	2,059	1,845
Gain on sale of business, net	0	(10,044)
Loss on debt refinancing	0	6,787
Other non-cash items	(36)	(907)
Changes in assets and liabilities arising from operations:
Accounts receivable	8,101	(4,152)
Prepaid and other assets	3,536	3,342
Restricted cash	443	1,171
Accounts payable and accrued liabilities	(11,857)	(5,758)
Accrued interest payable	(6,563)	9,294
Other assets and liabilities, net	(1,244)	3,612
Reorganization adjustments:
Non-cash reorganization income	0	(180)
Claims payable and estimated claims accrual	0	80
Restricted cash - Cash Claims Reserve	0	(17)
Total adjustments	50,994	90,856
Net cash provided by operating activities	18,757	43,371
Cash flows from investing activities:
Net capital additions	(28,077)	(29,910)
Proceeds from sale of business	0	30,315
Distributions from investments and proceeds from the sale of property	265	421
Net cash (used in) provided by investing activities	(27,812)	826
Cash flows from financing activities:
Proceeds from issuance of long-term debt	0	920,590
Financing costs	0	(13,217)
Repayments of long-term debt	(1,600)	(957,000)
Proceeds from exercise of stock options	3	17
Repayment of capital lease obligations	(345)	(312)
Net cash used in financing activities	(1,942)	(49,922)
Net change	(10,997)	(5,725)
Cash, beginning of period	42,700	23,203
Cash, end of period	31,703	17,478
Supplemental disclosure of cash flow information:
Capital additions included in accounts payable	9,167	7,791
Reorganization costs paid	$ 0	$ 228