Intangible Assets (Intangible Assets, Other Than Fair Value of Contracts in Process, Upon Adoption of Fresh Start Accounting) (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Indefinite-lived Intangible Assets [Line Items]
Intangible assets including assets held for sale	$ 68,227	$ 68,227
Intangible assets held for sale, Gross Amount	(68,227)
Intangible Assets, Gross Amount		68,227
Intangible assets including assets held for sale, Accumulated Amortization	(62,247)	(60,048)
Intangible assets held for sale, Accumulated Amortization	62,247
Intangible Assets, Accumulated Amortization		(60,048)
Internally developed software and technology
Indefinite-lived Intangible Assets [Line Items]
Intangible assets including assets held for sale	59,027	59,027
Intangible assets including assets held for sale, Accumulated Amortization	(59,027)	(57,173)
Weighted Average Remaining Amortization Period (Years)	-
Trade names
Indefinite-lived Intangible Assets [Line Items]
Intangible assets including assets held for sale	9,200	9,200
Intangible assets including assets held for sale, Accumulated Amortization	$ (3,220)	$ (2,875)
Weighted Average Remaining Amortization Period (Years)	13