Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
Jul. 09, 2010
$150 senior unsecured notes
Dec. 31, 2012
Carrying Value
Dec. 31, 2012
Level 1
Dec. 31, 2012
Level 2
Dec. 31, 2012
Level 3
Assets:          
Cash and cash equivalents   $ 102.1 $ 102.1    
Equity investments   1.3 0.3   1.0
Investments in rabbi trust   5.6 5.6    
Liabilities:          
$150 senior unsecured notes   148.7 163.2    
Revolving credit facility   421.5   421.5  
Derivative instruments   0.1   0.1  
Term loan   197.5   197.5  
Long-term debt, principal $ 150