v2.4.0.6
Changes in Accumulated Other Comprehensive Income by Component (Details 1) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]    
Revenue $ 1,998.6 $ 1,982.4
Cost of operations 1,223.1 1,203.2
Interest expense 89.6 104.3
Income before income taxes 183.3 223.1
Tax (expense) or benefit (58.4) (80.3)
Net income 124.9 142.8
Reclassification out of Accumulated Other Comprehensive Income [Member]
   
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]    
Income before income taxes 0.8 0
Tax (expense) or benefit (0.3) 0
Net income 0.5 0
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains (Losses) on Cash Flow Hedges [Member] | Recycling commodity hedges [Member]
   
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]    
Revenue 0.1 0.1
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains (Losses) on Cash Flow Hedges [Member] | Fuel hedges [Member]
   
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]    
Cost of operations 1.3 0.4
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains (Losses) on Cash Flow Hedges [Member] | Interest rate contracts [Member]
   
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]    
Interest expense $ (0.6) $ (0.5)