Annual report pursuant to Section 13 and 15(d)

CUSTOMER CONTRACTS AND OTHER INTANGIBLE ASSETS (Details 2)

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CUSTOMER CONTRACTS AND OTHER INTANGIBLE ASSETS (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Estimated amortization expense for the existing carrying amount of customer contracts and other intangible assets  
2012 $ 21,675
2013 20,780
2014 17,771
2015 15,113
2016 $ 12,342