Annual report pursuant to Section 13 and 15(d)

Leases (Details)

v2.4.0.6
Leases (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Leases [Abstract]      
Longest running lease period obligations extends through 2038    
Basic expense $ 34.7 $ 39.3 $ 44.4
Contingent expense 2.8 2.3 1.4
Sublease income (1.2) (1.2) (1.4)
Rent expense, net 36.3 40.4 44.4
Assets [Abstract]      
Building and improvements 4.3    
Accumulated depreciation 0    
Total assets 4.3    
Liabilities [Abstract]      
Debt 2.9    
Total liabilities 2.9    
2012 0.5    
2013 0.9    
2014 1.0    
2015 1.1    
2016 1.2    
Thereafter 7.9    
Total 12.6    
Construction costs during the construction period 1.4    
Construction payments due in 2012 2.7    
Reporting Entity [Member]
      
Operating Leased Assets [Line Items]      
2012 32.3    
2013 24.8    
2014 17.5    
2015 13.1    
2016 9.9    
Thereafter 23.4    
Total (not reduced by minimum sublease income of $1.3) 121.0    
Minimum future sublease income $ 1.3