Accrued Expenses and Other Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010 As Restated [Member]
Payables and Accurals [Line Items]
Accrued compensation and benefits	$ 42,261	$ 39,153
Acquisition reserves (Note 7)	3,660	4,845
Restructuring charges (Note 8)	1,781	2,904
Accrued legal	5,801	21,424
Accrued taxes	6,979	9,112
Forward contracts	4,410	0
Other accrued expenses and liabilities	8,219	10,590
Total	$ 73,111	$ 88,028	[1]

[1] As restated - See Note 23 “Restatement of Previously Issued Financial Statements” of Notes to Consolidated Financial Statements.