Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS (Amounts Recognized in Other Comprehensive Income (Loss) (Detail)

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BENEFIT PLANS (Amounts Recognized in Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Amounts recognized in net periodic benefit cost during the period:      
Net of tax $ (17.5) $ 61.1 $ (74.2)
Pension Benefits      
Amounts arising during the period:      
Net actuarial loss (gain), net of taxes of $(6.7) and $39.6 in 2015 and 2014, respectively, for pension benefits and $1.2 and $0.1 in 2015 and 2014, respectively, for other benefits (8.4) 69.0  
Foreign currency exchange rate (gain) loss, net of taxes of $(0.3) and $(0.1) in 2015 and 2014, respectively, for pension benefits (0.6) (0.2)  
Prior service cost (credit), net of taxes of $1.2 in 2014, for pension benefits 0.0 2.0  
Amounts recognized in net periodic benefit cost during the period:      
Recognized actuarial loss, net of taxes of $(5.9) and $(4.8) in 2015 and 2014, respectively, for pension benefits and $(0.2) and $0.4 in 2015 and 2014, respectively, for other benefits (9.9) (8.1)  
Amortization of prior service cost, net of taxes of $(0.3) and $(0.3) in 2015 and 2014, respectively, for pension benefits and $0.4 and ($0.2) in 2015 and 2014, respectively, for other benefits (0.6) (0.5)  
Curtailments, net of taxes of $(1.0) in 2014 for pension benefits 0.0 (1.6)  
Net of tax (19.5) 60.6  
Net actuarial loss (gain), taxes (6.7) 39.6  
Foreign currency exchange rate (gain) loss, taxes (0.3) (0.1)  
Prior service (credit) cost, taxes 0.0 1.2  
Recognized actuarial loss, taxes (5.9) (4.8)  
Amortization of prior service cost, taxes (0.3) (0.3)  
Curtailments, taxes 0.0 $ (1.0)  
Settlements, taxes    
Other Benefits      
Amounts arising during the period:      
Net actuarial loss (gain), net of taxes of $(6.7) and $39.6 in 2015 and 2014, respectively, for pension benefits and $1.2 and $0.1 in 2015 and 2014, respectively, for other benefits 1.9 $ 0.3  
Foreign currency exchange rate (gain) loss, net of taxes of $(0.3) and $(0.1) in 2015 and 2014, respectively, for pension benefits (0.3) (0.2)  
Prior service cost (credit), net of taxes of $1.2 in 2014, for pension benefits 0.0 0.0  
Amounts recognized in net periodic benefit cost during the period:      
Recognized actuarial loss, net of taxes of $(5.9) and $(4.8) in 2015 and 2014, respectively, for pension benefits and $(0.2) and $0.4 in 2015 and 2014, respectively, for other benefits (0.4) 0.8  
Amortization of prior service cost, net of taxes of $(0.3) and $(0.3) in 2015 and 2014, respectively, for pension benefits and $0.4 and ($0.2) in 2015 and 2014, respectively, for other benefits 0.8 (0.4)  
Curtailments, net of taxes of $(1.0) in 2014 for pension benefits 0.0 0.0  
Net of tax 2.0 0.5  
Net actuarial loss (gain), taxes 1.2 0.1  
Foreign currency exchange rate (gain) loss, taxes (0.1) 0.0  
Prior service (credit) cost, taxes 0.0 0.0  
Recognized actuarial loss, taxes (0.2) 0.4  
Amortization of prior service cost, taxes $ 0.4 $ (0.2)