Summary of Related Party Transactions in Consolidated Statements of Operations (Parenthetical) (Detail) (FTI, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Related Party Transaction [Line Items]
Services		[1],[2]	$ 2,271	[1]	$ 7,255	[1]
Accounting And Financial Reporting Services
Related Party Transaction [Line Items]
Services			1,300		3,300
Restructuring Services
Related Party Transaction [Line Items]
Services			$ 1,000		$ 3,900

[1] For the year ended December 31, 2011, approximately $1.3 million relates to the accounting and financial reporting services and approximately $1.0 million relates to the chief restructuring officer and related services. For the year ended December 31, 2010, approximately $3.3 million relates to the accounting and financial reporting services and approximately $3.9 million relates to the chief restructuring officer and related services.

[2] Not a related party during this period.