XML 60 R53.htm IDEA: XBRL DOCUMENT v2.4.0.6
Long-Term Debt and Capital Leases (Unsecured Revolving Credit Facility) (Details) (USD $)
In Millions, unless otherwise specified
 0 Months Ended 12 Months Ended
Feb. 28, 2012
Sep. 09, 2011
Jan. 14, 2011
Dec. 31, 2011
Letters of credit       $ 59.9
Unsecured Debt [Member] | Line of Credit Facility [Member]
        
Credit agreement inception date     January 14, 2011  
Number of years in credit facility term     5  
Current maximum borrowing capacity under credit facility   660 750  
Line of credit facility expiration date   September of 2016 January of 2016  
Credit agreement amendment date   September 9, 2011    
One-time charge related to the modification of the credit agreement       0.3
Maximum aggregate increase to credit facility     200  
Letters of credit       59.9
Outstanding borrowings under credit facility       0
Line of credit facility fee percentage 0.175%     0.225%
Covenant description for debt instrument    

The Credit Agreement contains certain debt covenants, which include limitations on total outstanding borrowings, a minimum fixed charge coverage ratio of 2.0 times through December 31, 2012; 2.25 times through December 31, 2014; 2.5 times through maturity; and a maximum adjusted consolidated leverage ratio of 3.0 times through maturity. The consolidated leverage ratio includes a calculation of adjusted earnings before interest, taxes, depreciation, amortization, rent and stock based compensation expense to adjusted debt. Adjusted debt includes outstanding debt, outstanding stand-by letters of credit, six-times rent expense and excludes any premium or discount recorded in conjunction with the issuance of long-term debt. In the event that the Company should default on any covenant contained within the Credit Agreement, certain actions may be taken, including, but not limited to, possible termination of credit extensions, immediate payment of outstanding principal amount plus accrued interest and litigation from lenders.

  
Line of credit facility covenant compliance       As of December 31, 2011, the Company remained in compliance with all covenants related to the Credit Agreement.
Unsecured Debt [Member] | Line of Credit Facility [Member] | Letter of Credit [Member]
        
Line of credit facility sublimit     200  
Unsecured Debt [Member] | Line of Credit Facility [Member] | Swing Line Revolver [Member]
        
Line of credit facility sublimit     $ 75  
Unsecured Debt [Member] | Line of Credit Facility [Member] | Euro Dollar Rate [Member]
        
Line of credit current interest rate 1.20%     1.275%
Unsecured Debt [Member] | Line of Credit Facility [Member] | Base Rate [Member]
        
Line of credit current interest rate 0.20%     0.275%
Unsecured Debt [Member] | Line of Credit Facility [Member] | Through December 2012 [Member]
        
Minimum debt instrument consolidated fixed charge coverage ratio covenant     2.0  
Unsecured Debt [Member] | Line of Credit Facility [Member] | Through December 2014 [Member]
        
Minimum debt instrument consolidated fixed charge coverage ratio covenant     2.25  
Unsecured Debt [Member] | Line of Credit Facility [Member] | Through Maturity [Member]
        
Minimum debt instrument consolidated fixed charge coverage ratio covenant     2.5  
Maximum debt instrument consolidated leverage ratio covenant     3.0