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DISCONTINUED OPERATIONS (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended
Sep. 02, 2011
Dec. 31, 2011
Aug. 16, 2011
2007 Credit Agreements
     
Discontinued operations      
Repayment of debt $ 237,732    
Write-off of remaining unamortized deferred financing costs 3,586    
QA business
     
Discontinued operations      
Sale price     275,000
Total net cash proceeds 283,376 2,727  
Estimated cash assumed $ 8,376