XML 21 R50.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and Contingencies (Leases, and LC and Guarantees ) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Future Minimum Lease Payments under Operating Leases    
2012 $ 29.6  
2013 32.2  
2014 29.4  
2015 24.0  
2016 16.3  
2017 12.2  
Thereafter 31.8  
Future minimum lease payments, total 175.5  
Operating Leases, Rent Expense    
Lease and rental expense 12.8 8.7
Letters of credit and guarantees    
Irrevocable standby letters of credit and guarantees 34.8  
Restricted cash required by letters of credit $ 9.2