Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS, Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation (Details)

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FAIR VALUE MEASUREMENTS, Assets and Liabilities Measured on Recurring Basis Unobservable Input Reconciliation (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Contingent Consideration [Member]
   
Fair value liabilities measured on recurring basis unobservable input reconciliation [Roll Forward]    
Beginning Balance $ (15,976) $ 0
Total gains and losses (realized/unrealized) included in earnings 11,691 (3,083)
Purchases (4,078) (24,995)
Settlements 0 12,102
Ending Balance (8,363) (15,976)
The amount of total gains and losses for the period included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held (11,674) (3,083)
Stock Options [Member]
   
Fair value assets measured on recurring basis unobservable input reconciliation [Roll Forward]    
Beginning Balance 278 0
Total gains and losses (realized/unrealized)included in earnings 782 0
Purchases 0 278
Settlements 0 0
Ending Balance 1,060 278
The amount of total gains and losses for the period included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held $ 782 $ 0