Quarterly report pursuant to Section 13 or 15(d)

Financing Agreements (Details)

v2.4.0.6
Financing Agreements (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Sep. 30, 2011
Dec. 31, 2011
$400 revolving credit facility
Sep. 30, 2011
$400 revolving credit facility
Dec. 31, 2010
$400 revolving credit facility
Dec. 31, 2011
Swiss local credit facilities
Dec. 31, 2011
$150 senior unsecured notes, due July 15, 2020, net of discount
Sep. 30, 2011
$150 senior unsecured notes, due July 15, 2020, net of discount
Jul. 09, 2010
$150 senior unsecured notes, due July 15, 2020, net of discount
Dec. 31, 2011
Other financing agreements
Financing Agreements                    
Long-term debt $ 431.5 $ 431.5 $ 283.0 $ 283.0     $ 148.5 $ 148.5    
Maximum borrowing capacity available under the facility     400.0 400.0   18.6        
Letters of credit outstanding     6.7              
Remaining borrowing capacity available under the facility     110.3              
Weighted average interest rates (as a percent)     0.70%   0.70%          
Outstanding bank guarantees which reduce the amount of available borrowings           5.2        
Letters of credit and outstanding bank guarantees                   12.0
Debt issued                 150.0  
Stated interest rate (as a percent)             5.50%      
Original issue discount                 1.6  
Effective annual interest rate (as a percent)             5.65%      
Deferred financing costs                 $ 2.1