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Long Term Debt and Financing Arrangements (Tables)
6 Months Ended
Jun. 30, 2011
Long-Term Debt and Financing Arrangements [Abstract]  
Financial Ratios Under Senior Credit Facility
 
                 
        Interest
    Leverage
  Coverage
Period Ending   Ratio   Ratio
 
September 30, 2011
    3.50       2.55  
December 31, 2011
    3.50       2.55  
Each quarter thereafter
    3.50       2.75