Quarterly report pursuant to Section 13 or 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
6 Months Ended
Jun. 30, 2011
Stock Options [Member]
 
Fair value assets measured on recurring basis unobservable input reconciliation [Roll Forward]  
Beginning Balance $ 278
Total gains and losses (realized/unrealized) :  
Included in earnings (or changes in net assets) 1,649
Purchases 0
Ending Balance 1,927
The amount of total gains and losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held 1,649
Contingent Consideration [Member]
 
Fair value liabilities measured on recurring basis unobservable input reconciliation [Roll Forward]  
Beginning Balance (17,894)
Total gains and losses (realized/unrealized) :  
Included in earnings (or changes in net assets) 8,908
Purchases 1,428
Ending Balance (7,558)
The amount of total gains and losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held $ 9,047