Annual report pursuant to Section 13 and 15(d)

Accounting Policies Deferred Financing Costs (Details)

v2.4.0.6
Accounting Policies Deferred Financing Costs (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Accounting Policies [Abstract]    
Deferred Finance Costs, Gross Carrying Value $ 16.1 $ 13.8
Deferred Financing Costs, Accumulated Amortization 7.6 6.7
Deferred Financing Costs, Net $ 8.5 $ 7.1