XML 68 R45.htm IDEA: XBRL DOCUMENT v2.3.0.15
Long-term Debt and Derivatives (Details 4) (USD $)
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Interest Rate Swap Contracts    
Percentage of debt hedged by interest rate derivatives, excluding revolving credit, as required by credit facility (as a percent)50.00% 50.00% 
Maximum length of time from closing of credit facility to enter into a fixed rate debt arrangement or interest rate swap  100 days 
Derivatives instruments impact on consolidated statement of income    
Amortization from OCI related to de-designation of derivatives$ 2,800,000$ 4,200,000$ 5,300,000$ 12,700,000
Gain (loss) reclassified from OCI in next twelve months1,800,000 1,800,000 
Derivatives Designated as Hedging Instruments
    
Derivatives instruments impact on consolidated statement of income    
Derivatives in a Cash Flow Hedging Relationship, Gain (Loss) Recognized in OCI on Derivative (Effective Portion) (3,462,000)(672,000)(13,640,000)
Derivatives in a Cash Flow Hedging Relationship, Gain (Loss) Reclassified from AOCI into Income (Effective Portion) (6,363,000)(8,173,000)(19,222,000)
Derivatives Designated as Hedging Instruments | Interest rate swap contracts
    
Derivatives instruments impact on consolidated statement of income    
Derivatives in a Cash Flow Hedging Relationship, Gain (Loss) Recognized in OCI on Derivative (Effective Portion) (3,462,000)(672,000)(13,640,000)
Derivatives in a Cash Flow Hedging Relationship, Gain (Loss) Reclassified from AOCI into Income (Effective Portion) (6,363,000)(8,173,000)(19,222,000)
Derivatives Not Designated as Hedging Instruments
    
Derivatives instruments impact on consolidated statement of income    
Derivatives Not Designated as Hedging Instruments, Gain (Loss) Recognized in Income on Derivative(36,000)(18,000)(39,000)(56,000)
Derivatives Not Designated as Hedging Instruments | Interest rate swap contracts
    
Derivatives instruments impact on consolidated statement of income    
Derivatives Not Designated as Hedging Instruments, Gain (Loss) Recognized in Income on Derivative$ (36,000)$ (18,000)$ (39,000)$ (56,000)