Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.8
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended 3 Months Ended
Mar. 31, 2014
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Cash flow hedging
Derivatives
Mar. 31, 2014
$150 senior unsecured notes
Sep. 30, 2013
$150 senior unsecured notes
Mar. 31, 2014
Carrying Value
Mar. 31, 2014
Level 1
Mar. 31, 2014
Level 2
Mar. 31, 2014
Level 3
Mar. 31, 2014
Fair Value
Assets:                      
Cash and cash equivalents             $ 51.0 $ 51.0      
Investments in rabbi trust             5.5 5.5      
Derivative instruments             1.3   1.3    
Liabilities:                      
$150 senior unsecured notes             148.9 161.8      
Revolving credit facility             291.2   291.2    
Term loan             185.0   185.0    
Other borrowings 1.0 1.0         1.0   1.0    
Derivative instruments             0.4   0.4    
Warrants to purchase common stock             1.0       6.2
Fair value of warrants to purchase common stock                   5.0  
Long-term debt, principal         150 150          
Aggregate notional value of derivatives       90.0              
Exercised amount of warrants to purchase the common stock of Forethought 6.2 5.7 1.8             6.2  
Gain on investments $ 5.2 $ 5.2               $ 5.2