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PENSION PLANS AND OTHER BENEFITS (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Weighted-average asset allocation (in hundredths) 100.00% 100.00%  
Fair value of pension plan assets [Abstract]      
Total Pension Assets $ 66.7 $ 62.1  
Amounts recognized in accumulated other comprehensive income, net of tax [Abstract]      
Other comprehensive income (loss) related to actuarial gains (losses), net of tax 0.3 (4.3) 8.8
Other comprehensive income (loss) related to foreign exchange (24.4) 18.4 (15.3)
Assumptions used in calculating net periodic benefit cost [Abstract]      
Discount rate (in hundredths) 4.40% 4.60% 5.40%
Expected return on plan assets (in hundredths) 4.60% 4.75% 6.25%
Future expected benefit payments [Abstract]      
2014 3.2    
2015 3.3    
2016 3.4    
2017 3.5    
2018 3.6    
2019 - 2023 19.4    
Change in benefit obligation [Roll forward]      
Benefit obligation 69.6 61.8  
Interest cost 3.0 2.8 3.7
Actuarial (gain) or loss 2.5 6.1  
Benefits paid (2.9) (4.1)  
Currency fluctuation adjustment 1.4 3.0  
Benefit obligation 73.6 69.6 61.8
Change in plan assets [Roll forward]      
Fair value of plan assets 62.1 58.8  
Actual return 4.3 3.0  
Company contributions 1.9 1.6  
Currency fluctuation adjustment 1.3 2.8  
Benefits paid (2.9) (4.1)  
Fair value of plan assets 66.7 62.1 58.8
Underfunded status of the plans (6.9) (7.5)  
Components of net pension expense [Abstract]      
Interest cost on projected benefit obligation 3.0 2.8 3.7
Prior service cost (0.1) (0.1) (0.1)
Expected return on plan assets (2.8) (2.8) (3.3)
Settlement cost 0 0 2.3
Net amortization 1.8 1.0 1.8
Net pension expense 1.9 0.9 4.4
Level One [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0.7 0.5  
Level Two [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 66.0 61.6  
Level Three [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0 0  
Cash and Cash Equivalents [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Weighted-average asset allocation (in hundredths) 1.00% 1.00%  
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0.7 [1] 0.5 [1]  
Cash and Cash Equivalents [Member] | Level One [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0.7 [1] 0.5 [1]  
Cash and Cash Equivalents [Member] | Level Two [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0 [1] 0 [1]  
Cash and Cash Equivalents [Member] | Level Three [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0 [1] 0 [1]  
Equity Funds [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Weighted-average asset allocation (in hundredths) 57.00% 21.00%  
Fair value of pension plan assets [Abstract]      
Total Pension Assets 38.2 12.9 [2]  
Equity Funds [Member] | Level One [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0 0 [2]  
Equity Funds [Member] | Level Two [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 38.2 12.9 [2]  
Equity Funds [Member] | Level Three [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0 0 [2]  
Bond Funds [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Weighted-average asset allocation (in hundredths) 42.00% 78.00%  
Bond Funds: Treasuries [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 27.8 [3] 27.1 [2],[4]  
Bond Funds: Treasuries [Member] | Level One [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0 [3] 0 [2],[4]  
Bond Funds: Treasuries [Member] | Level Two [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 27.8 [3] 27.1 [2],[4]  
Bond Funds: Treasuries [Member] | Level Three [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets 0 [3] 0 [2],[4]  
Bond Funds: Corporate Bond funds [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets   21.6 [2],[4]  
Bond Funds: Corporate Bond funds [Member] | Level One [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets   0 [2],[4]  
Bond Funds: Corporate Bond funds [Member] | Level Two [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets   21.6 [2],[4]  
Bond Funds: Corporate Bond funds [Member] | Level Three [Member]
     
Fair value of pension plan assets [Abstract]      
Total Pension Assets   0 [2],[4]  
U.K. Pension Plan [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan, year the plan closed to new participants 1992    
Defined Benefit Plan, date future benefits cease to accrue for remaining active employee participants Dec. 01, 2008    
Number of non-retired members that transferred accrued benefits out of the Plan     14
Fair value of pension plan assets [Abstract]      
Pension assets invested in U.K linked treasuries (in hundredths)   44.00%  
Amounts recognized in accumulated other comprehensive income, net of tax [Abstract]      
Actuarial net losses recognized in accumulated other comprehensive income, net of tax 9.3 9.6  
Accumulated other comprehensive income (loss) before adjustment of prior service costs 11.4 11.8  
Accumulated other comprehensive income (loss) related to prior service cost net of tax (2.1) (2.2)  
Other comprehensive income (loss) related to actuarial gains (losses), net of tax (0.8) (4.5) 4.2
Other comprehensive income (loss) related to amortization of loss, net of tax 1.5 0.8 1.4
Other comprehensive income related to settlement Net Of Tax     1.3
Other comprehensive income (loss) related to prior service cost, net of tax (0.1) (0.1) 2.2
Other comprehensive income (loss) related to foreign exchange (0.2) (0.5) (0.3)
Expected losses to be recognized in net periodic benefit costs in next fiscal year 1.6    
Expected amortization of gain (losses) in next fiscal year 1.7    
Expected amortization of prior service cost in next fiscal year (0.1)    
Net periodic benefit cost expected in next fiscal year 1.3    
Estimated employer contributions, next fiscal year [Abstract]      
Estimated employer contributions, next fiscal year 1.7    
Amounts recognized in balance sheet [Abstract]      
Underfunded plan status recorded in accrued expenses 1.7 1.6  
Underfunded plan status recorded in noncurrent liabilities 5.2 5.9  
Accumulated benefit obligation 73.6 69.6  
Defined contribution and pre-tax savings plans [Abstract]      
Expense attributable to all Savings Plans 7.6 5.3 7.3
Investments in marketable securities relating to deferred compensation arrangement 4.5 6.0  
Compensation expense (reduction) recorded for deferred compensation arrangement 0.5 1.0 0.2
Investment income (loss) on deferred compensation arrangement $ 0.4 $ 0.7 $ (0.1)
U.K. Pension Plan [Member] | Equity Funds [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Target allocation (in hundredths) 75.00%    
U.K. Pension Plan [Member] | Bond Funds [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Target allocation (in hundredths) 25.00%    
[1] The fair value of cash and cash equivalents is its carrying value.
[2] In 2013, the Company determined the inputs used to value its investments in unit trust funds for its bond and equity funds were based upon observable market information consistent with Level 2 of the fair value hierarchy, rather than Level 1 as previously reported in the footnotes of the 2012 consolidated financial statements. Accordingly, the presentation in the table above has been revised to reflect the correct presentation.
[3] This category includes investments in investment-grade fixed-income instruments and funds linked to U.K. treasury notes. The funds are valued using the bid amounts for each fund. All of the Company’s bond fund pension assets are invested in U.K. linked treasuries as of December 31, 2013.
[4] This category includes investments in investment-grade fixed-income instruments and funds linked to U.K. treasury notes. The funds are valued using the bid amounts for each fund. Approximately 44% of the Company’s pension assets are invested in U.K. linked treasuries as of December 31, 2012.