Equity Investments And Membership Interests In Joint Ventures (Tables)

12 Months Ended

Dec. 31, 2011

Equity Investments And Membership Interests In Joint Ventures [Abstract]

Schedule Of Equity Method Investments

	Knight Hawk	DKRW	DTA	Tenaska	Millennium	Tongue River	Total
	(In thousands)
Balance at January 1 , 2009	$     48,093	$  25,124	$  14,544	$        —	$             —	$           —	$     87,761
Advances to (distributions from) affiliates, net	(5,164)	—	2,925	—	—	—	(2,239)
Equity in comprehensive income (loss)	6,674	(1,535)	(3,393)	—	—	—	1,746
Balance at December 31, 2009	49,603	23,589	14,076	—	—	—	87,268
Investments in affiliates	77,637	—	—	9,768	—	—	87,405
Advances to (distributions from) affiliates, net	(12,639)	—	4,264	—	—	—	(8,375)
Equity in comprehensive income (loss)	16,649	(1,628)	(3,868)	—	—	—	11,153
Balance at December 31, 2010	$ 131,250	$  21,961	$  14,472	$   9,768	$           —	$           —	$  177,451
Investments in affiliates	—	—	—	5,500	25,000	12,989	43,489
Advances to (distributions from) affiliates, net	(16,621)	—	6,498	—	3,477	—	(6,646)
Equity in comprehensive income (loss)	20,596	(2,246)	(4,884)	(2)	(2,153)	—	11,311
Balance at December 31, 2011	$ 135,225	$  19,715	$  16,086	$ 15,266	$  26,324	$   12,989	$  225,605
Notes receivable from investees:
Balance at December 31, 2010	$        1,700	$ 18,100	$         —	$   4,100	$           —	$           —	$   23,900
Balance at December 31, 2011	—	30,751	—	5,059	—	—	35,810

Summarized Financial Information Of Equity Method Investments

	December 31
	2011	2010	2009
Condensed combined income statement information:	(In thousands)
Revenues	$  184,358	$  172,933	$  166,152
Gross profit	19,495	25,203	15,426
Income from operations	13,180	20,243	1,611
Net income (loss)	6,788	16,015	(1,797)
Condensed combined balance sheet information:
Current assets	$    94,644	$    48,202
Noncurrent assets	331,848	276,125
Total assets	$  426,492	$  324,327
Current liabilities	$    51,674	$    39,237
Noncurrent liabilities	120,494	99,350
Equity	254,163	185,639
Noncontrolling interest	161	101
Total liabilities and equity	$  426,492	$  324,327