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QUARTERLY FINANCIAL DATA (UNAUDITED) (NARRATIVE) (DETAILS) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
QUARTERLY FINANCIAL DATA (UNAUDITED) [ABSTRACT]                  
Reduction in Employee Related Expenses from Change in Estimate             $ 4.6    
Tax benefit recognized from Advance Pricing Agreement         7.6        
Benefit to Income Taxes from Relase of Uncertain Tax Positions 0.7 0.3 0.5 0.6   1.4      
Net Change in Valuation Allowance 2.0 0.4 0.3 0.9 1.9       (10.1)
Benefit to Income Taxes Related to Return to Provision Adjustments         0.1        
Benefit to Income Taxes Related to Restructuring Charges $ 0.1 $ 0.3 $ 1.2 $ 0.2 $ 0.6 $ 0.8 $ 6.5 $ 1.3