RESTRUCTURING CHARGE (Details 1) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended 23 Months Ended
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]                      
Accrued restructuring costs $ 13.6     $ 10.3     $ 13.6 $ 10.3 $ 13.6 $ 12.1 $ 7.0
Restructuring charges 2.3 1.8 1.9 4.1 2.4 0.1 6.0 6.6 50.9    
Restructuring and Related Cost, Incurred Cost             (4.5) (3.3)      
Employee Severance [Member]
                     
Restructuring Cost and Reserve [Line Items]                      
Accrued restructuring costs 13.0     9.5     13.0 9.5 13.0 11.3 6.0
Restructuring charges 1.3 1.0 0.9 2.7 0.9 0.1     15.6    
Restructuring and Related Cost, Incurred Cost             (1.5) (0.2)      
Pension and other postretirement benefits curtailment [Member]
                     
Restructuring Cost and Reserve [Line Items]                      
Accrued restructuring costs 0     0     0 0 0 0 0
Restructuring charges 0 0 0 0 1.1 0     4.1    
Restructuring and Related Cost, Incurred Cost             0 (1.1)      
Lease and Other Contract Termination [Member]
                     
Restructuring Cost and Reserve [Line Items]                      
Accrued restructuring costs 0.6     0.8     0.6 0.8 0.6 0.8 1.0
Restructuring charges 0 0 0 0 0 0     1.0    
Restructuring and Related Cost, Incurred Cost             (0.2) (0.2)      
Employee Relocation Cost [Member]
                     
Restructuring Cost and Reserve [Line Items]                      
Accrued restructuring costs 0     0     0 0 0 0 0
Restructuring charges 0.5 0.7 0.8 1.0 0.3 0     4.2    
Restructuring and Related Cost, Incurred Cost             (2.0) (1.3)      
Facility Exit Costs (asset retirement obligations [Member]
                     
Restructuring Cost and Reserve [Line Items]                      
Accrued restructuring costs 0     0     0 0 0 0 0
Restructuring charges 0.5 0.1 0.2 0.4 0.1 0     8.5    
Restructuring and Related Cost, Incurred Cost             $ (0.8) $ (0.5)