Segment Information (Tables)

6 Months Ended

Jun. 30, 2012

Segment Information [Abstract]

Schedule Of Operating Segment Results

				Other	Corporate,
				Operating	Other and
	PRB	APP	WBIT	Segments	Eliminations	Consolidated
	(in thousands)
Three months ended June 30, 2012
Revenues	$        322,512	$         504,309	$        199,552	$       37,165	$                    -	$        1,063,538
Income (loss) from operations	22,747	(493,093)	13,779	1,291	(133,708)	(588,984)
Depreciation, depletion and amortization	37,131	73,176	18,454	3,423	684	132,868
Amortization of acquired sales contracts, net	31	(4,859)	-	377	-	(4,451)
Mine closure and asset impairment costs	-	525,916	179	(227)	(106)	525,762
Capital expenditures	5,793	78,102	14,114	(1,131)	11,924	108,802
Three months ended June 30, 2011
Revenues	$        391,413	$         400,795	$        189,154	$         4,169	$                  (3)	$           985,528
Income from operations	35,615	87,961	43,673	113	(72,008)	95,354
Depreciation, depletion and amortization	41,165	33,091	22,099	536	345	97,236
Amortization of acquired sales contracts, net	5,603	(4,206)	-	(135)	-	1,262
Capital expenditures	15,647	29,288	10,115	4,373	9,591	69,014
Six months ended June 30, 2012
Revenues	$        723,689	$         973,367	$        344,111	$       62,022	$                    -	$        2,103,189
Income (loss) from operations	55,290	(477,258)	45,020	(2,459)	(155,496)	(534,903)
Depreciation, depletion and amortization	78,354	149,193	37,054	7,110	1,123	272,834
Amortization of acquired sales contracts, net	(785)	(17,947)	-	264	-	(18,468)
Mine closure and asset impairment costs	-	525,916	179	(227)	(106)	525,762
Total assets	2,044,743	3,870,734	715,362	580,272	2,742,827	9,953,938
Capital expenditures	9,779	144,405	29,251	4,513	14,125	202,073
Six months ended June 30, 2011
Revenues	$        784,526	$         725,181	$        344,593	$         4,166	$                    -	$        1,858,466
Income from operations	82,489	142,356	70,564	705	(98,522)	197,592
Depreciation, depletion and amortization	82,856	54,107	42,628	357	825	180,773
Amortization of acquired sales contracts, net	11,547	(4,206)	-	(135)	-	7,206
Total assets	2,231,636	4,694,368	674,765	562,291	2,093,488	10,256,548
Capital expenditures	18,485	46,590	21,892	4,373	16,385	107,725

Reconciliation Statement Of Segment Income From Operations To Consolidated Income Before Income Taxes

	Three Months Ended June 30,		Six Months Ended June 30,
	2012	2011	2012	2011
	(in thousands)
Income (loss) from operations	$        (588,984)	$          95,354	$       (534,903)	$       197,592
Interest expense	(78,728)	(42,249)	(153,500)	(76,829)
Interest income	1,088	755	2,109	1,501
Other nonoperating expenses	(19,042)	(49,740)	(19,042)	(49,740)
Income (loss) before income taxes	$        (685,666)	$            4,120	$       (705,336)	$         72,524