v2.4.0.6
Fair Value Measurements Fair Value, Reconciliation of Level 3 (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value $ 6,081 $ 15,920 $ 11,230 $ 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, Sales, Issues, Settlements 2,100 1,835 2,100 17,755
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements 0 0 (4,250) 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings 3,176 [1] (4,793) [1] 2,277 [1] (4,793) [1]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 1,244 0 1,244 0
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value 12,601 12,962 12,601 12,962
Fair Value, Measurement with Unobservable Inputs, Unrealized Gain Loss $ 3,176 [2] $ (4,793) [2] $ 2,277 [2] $ (4,793) [2]
[1] Changes in the fair value of contingent consideration liabilities are classified as "acquisition-related expense (benefit), net" in the condensed consolidated statements of operations.
[2] Represents the unrealized gains (losses) recorded in earnings during the period for assets (and liabilities) classified as Level 3 that are still held (or outstanding) at the end of the period.