CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012 Successor [Member]	Mar. 25, 2012 Predecessor [Member]	Jun. 30, 2011 Predecessor [Member]
Cash flows from operating activities:
Net earnings	$ 10,769	$ 40,482	$ 85,831
Adjustments to reconcile net earnings to net cash flows provided by operating activities:
Depreciation and amortization	43,782	30,225	64,237
Deferred income taxes, net	21,128	18,958	47,689
Amortization of costs charged to interest	(8,275)	384	733
Net gain on curtailment of OPEB benefits	(10,527)	0	0
Changes in operating assets and liabilities, net of Merger impact	(85,263)	21,518	9,099
Net cash flows provided by (used in) operating activities	(28,386)	111,567	207,589
Cash flows from investing activities:
Net (increase) decrease in note receivable - related parties	65,500	254,736	(155,250)
Net increase (decrease) in income taxes payable - related parties	(5,667)	5,158	(3,678)
Additions to property, plant and equipment	(29,416)	(27,588)	(50,317)
Plant retirements and other	(2,056)	345	687
Net cash flows provided by (used in) investing activities	28,361	232,651	(208,558)
Cash flows provided by (used in) financing activities:
Issuance of long-term debt	0	455,000	0
Repayment of debt	0	(797,386)	0
Issuance costs of debt	0	(1,803)	0
Other	0	0	961
Net cash flows provided by (used in) financing activities	0	(344,189)	961
Change in cash and cash equivalents	(25)	29	(8)
Cash and cash equivalents at beginning of period	79	50	56
Cash and cash equivalents at end of period	$ 54	$ 79	$ 48