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Senior Credit Facilities (Tables)
 6 Months Ended
Jun. 30, 2013
Senior Credit Facilities (Tables) [Abstract]  
Financial Covenants Ratios
Our senior credit facilities require us to comply with several financial covenants. The table below shows the required and actual ratios under our credit facilities calculated as of June 30, 2013:
 
Required Ratio
 
Actual Ratio
Maximum consolidated leverage ratio
No greater than
 
3.25:1
 
2.10:1
Minimum fixed charge coverage ratio
No less than
 
1.35:1
 
1.60:1