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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) |

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