Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Summary of Fair Value and Balance Sheet Locations of Interest Rate Swaps) (Details)

 v2.3.0.11
Derivative Instruments (Summary of Fair Value and Balance Sheet Locations of Interest Rate Swaps) (Details) (USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Derivative Instruments    
Accounts payable and other liabilities $ 0.6 $ 1.5