Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($)	Total	Common Stock [Member]	Capital In Excess of Par Value [Member]	Accumulated other comprehensive income (loss) [Member]	Retained earnings (deficit) [Member]	Non-controlling interests in consolidated subsidiaries [Member]
Total shareholders' equity	$ 1,593,444,000	$ 10,414,000	$ 628,108,000	$ (481,000)	$ 752,840,000	$ 202,563,000
Net income (loss)	(2,282,000)	0	0	0	(3,504,000)	1,222,000
Unrealized loss on securities, net of tax	24,000	0	0	24,000	0	0
Total comprehensive loss	(2,258,000)
Distributions to non-controlling interest	(918,000)	0	0	0	0	(918,000)
Activity in employee compensation plans	5,417,000	164,000	5,253,000	0	0	0
Net income (loss)	(218,088,000)
Reclassification adjustment for write-down of securities, net of tax	481,000
Total comprehensive loss	(217,607,000)
Total shareholders' equity	1,595,859,000	10,578,000	633,361,000	(457,000)	749,510,000	202,867,000
Net income (loss)	(8,017,000)	0	0	0	(8,509,000)	492,000
Unrealized loss on securities, net of tax	(30,000)	0	0	(30,000)	0	0
Total comprehensive loss	(8,047,000)
Activity in employee compensation plans	5,420,000	12,000	5,408,000	0	0	0
Total shareholders' equity	1,593,232,000	10,590,000	638,769,000	(487,000)	741,001,000	203,359,000
Net income (loss)	(207,789,000)	0	0	0	(206,886,000)	(903,000)
Reclassification adjustment for write-down of securities, net of tax	487,000	0	0	487,000	0	0
Total comprehensive loss	(207,302,000)
Activity in employee compensation plans	5,303,000	0	5,273,000	0	0	30,000
Total shareholders' equity	1,391,233,000	10,590,000	644,042,000	0	534,115,000	202,486,000
Total shareholders' equity	1,055,635,000	10,591,000	644,152,000	0	199,135,000	201,757,000
Net income (loss)	(803,674,000)	0	0	0	(770,494,000)	(33,180,000)
Activity in employee compensation plans	2,525,000	103,000	2,391,000	0	0	31,000
Net income (loss)	(890,624,000)
Unrealized loss on securities, net of tax	0
Reclassification adjustment for write-down of securities, net of tax	0
Total comprehensive loss	(890,624,000)
Total shareholders' equity	254,486,000	10,694,000	646,543,000	0	(571,359,000)	168,608,000
Net income (loss)	(215,565,000)	0	0	0	(215,649,000)	84,000
Activity in employee compensation plans	1,611,000	10,000	1,585,000	0	0	16,000
Total shareholders' equity	40,532,000	10,704,000	648,128,000	0	(787,008,000)	168,708,000
Net income (loss)	128,615,000	0	0	0	55,131,000	73,484,000
Unrealized loss on securities, net of tax	0
Reclassification adjustment for write-down of securities, net of tax	0
Total comprehensive loss	128,615,000
Activity in employee compensation plans	2,033,000	0	2,025,000	0	0	8,000
Issuance of successor common stock	197,323,000	120,000	197,203,000	0	0	0
Total shareholders' equity	171,180,000	10,704,000	650,153,000	0	(731,877,000)	242,200,000
Net income (loss)	(6,736,000)	0	0	0	(8,968,000)	2,232,000
Reclassification adjustment for write-down of securities, net of tax	0
Total comprehensive loss	(6,736,000)
Activity in employee compensation plans	13,000	0	9,000	0	0	4,000
Total shareholders' equity	439,523,000	120,000	197,203,000	0	0	242,200,000
Total shareholders' equity	$ 432,800,000	$ 120,000	$ 197,212,000	$ 0	$ (8,968,000)	$ 244,436,000