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EMPLOYEE BENEFIT PLANS (Tables)
 12 Months Ended
Dec. 31, 2017
Retirement Benefits [Abstract]  
Schedule of Defined Benefit Plan Information
The fair values of the Company’s pension plan assets for 2017 and 2016 by asset category are as follows:

(In millions)
 
2017
 
Quoted Prices in Active Markets for Identical Assets
(Level 1)
 
Significant Other Observable Inputs
(Level 2)
 
Significant Unobservable
 Inputs
(Level 3)
Equity
 
 
 
 
 
 
 
 
Domestic equity mutual funds
 
$
24.0

 
$
24.0

 
$
—

 
$
—

International equity mutual funds
 
16.2

 
16.2

 
—

 
—

Fixed income
 
 
 
 
 
 
 
 
U.S. treasury and government agency securities
 
19.2

 
—

 
19.2

 
—

Fixed income mutual funds
 
87.9

 
87.9

—

—

 
—

Other
 
 
 
 
 
 
 
 
Insurance contracts
 
5.3

 
—

 
5.3

 
—

Cash and equivalents
 
0.7

 
0.7

 
—

 
—

Total
 
$
153.3

 
$
128.8

 
$
24.5

 
$
—

(In millions)
 
2016
 
Quoted Prices in Active Markets for Identical Assets
(Level 1)
 
Significant Other Observable Inputs
(Level 2)
 
Significant Unobservable
 Inputs
(Level 3)
Equity
 
 
 
 
 
 
 
 
Domestic equity mutual funds
 
$
27.8

 
$
27.8

 
$
—

 
$
—

International equity mutual funds
 
17.5

 
17.5

 
—

 
—

Fixed income
 
 
 
 
 
 
 
 
U.S. treasury and government agency securities
 
16.4

 
—

 
16.4

—

—

Fixed income mutual funds
 
79.1

 
79.1

 
—

 
—

Other
 
 
 
 
 
 
 
 
Insurance contracts
 
4.5

 
—

 
4.5

 
—

Cash and equivalents
 
0.8

 
0.8

 
—

 
—

Total
 
$
146.1

 
$
125.2

 
$
20.9

 
$
—

The following table sets forth aggregated information related to the Company’s pension benefits and other postretirement benefits, including changes in the benefit obligations, changes in plan assets, funded status, amounts recognized in the balance sheet, amounts recognized in accumulated other comprehensive income, and actuarial assumptions that the Company considered in its determination of benefit obligations and plan costs. Benefit obligation balances presented below reflect the projected benefit obligation (PBO) for the Company’s pension plans, and accumulated postretirement benefit obligations (APBO) for the Company’s other benefit plans.
(In millions)
 
Pension Benefits
 
Other Benefits
 
 
2017
 
2016
 
2017
 
2016
Accumulated benefit obligation, end of year
 
$
180.5

 
$
177.0

 
$
10.3

 
$
10.5

 
 
 
 
 
 
 
 
 
Change in benefit obligation:
 
 

 
 

 
 

 
 

Benefit obligation, beginning of year
 
$
181.1

 
$
186.9

 
$
10.5

 
$
11.3

Service cost
 
0.7

 
0.9

 
—

 
0.1

Interest cost
 
5.6

 
6.0

 
0.3

 
0.3

Actuarial (gain)/loss
 
7.0

 
4.1

 
0.6

 
—

Settlements paid
 
(0.2
)
 
(0.6
)
 
—

 
—

Benefits paid
 
(11.9
)
 
(15.7
)
 
(1.1
)
 
(1.2
)
Curtailment
 
—

 
—

 
—

 
—

Foreign currency exchange
 
2.8

 
(0.5
)
 
—

 
—

Benefit obligation, end of year
 
$
185.1

 
$
181.1

 
$
10.3

 
$
10.5

 
 
 
 
 
 
 
 
 
Change in plan assets:
 
 
 
 
 
 
 
 
Fair value of assets, beginning of year
 
$
146.1

 
$
147.4

 
$
—

 
$
—

Actual return on plan assets
 
16.1

 
9.5

 
—

 
—

Company contributions
 
2.5

 
5.5

 
1.1

 
1.2

Settlements paid
 
(0.1
)
 
(0.5
)
 
—

 
—

Benefits paid
 
(11.9
)
 
(15.7
)
 
(1.1
)
 
(1.2
)
Foreign currency exchange
 
0.6

 
(0.1
)
 
—

 
—

Plan assets, end of year
 
$
153.3

 
$
146.1

 
$
—

 
$
—

 
 
 
 
 
 
 
 
 
Funded status
 
$
(31.8
)
 
$
(35.0
)
 
$
(10.3
)
 
$
(10.5
)
 
 
 
 
 
 
 
 
 
Amounts recognized in balance sheet:
 
 

 
 

 
 

 
 

Current liabilities
 
$
(0.4
)
 
$
(0.3
)
 
$
(1.1
)
 
$
(1.1
)
Noncurrent liabilities
 
(31.4
)
 
(34.7
)
 
(9.2
)
 
(9.4
)
Net liability, end of year
 
$
(31.8
)
 
$
(35.0
)
 
$
(10.3
)
 
$
(10.5
)
 
 
 
 
 
 
 
 
 
Amount recognized in accumulated other comprehensive income/(loss):
 
 

 
 

 
 

 
 

Prior service cost
 
$
—

 
$
—

 
$
0.1

 
$
0.2

Net actuarial loss
 
47.6

 
48.9

 
1.1

 
0.9

Settlement
 
0.5

 
1.5

 
—

 
—

Total recognized in accumulated other comprehensive income/(loss)
 
$
48.1

 
$
50.4

 
$
1.2

 
$
1.1
Schedule of Amounts Recognized in Other Comprehensive Income (Loss)
The following table sets forth other changes in plan assets and benefit obligation recognized in other comprehensive income for 2017 and 2016:

(In millions)
 
Pension Benefits
 
Other Benefits
 
 
2017
 
2016
 
2017
 
2016
Net actuarial (gain)/loss
 
$
(0.2
)
 
$
3.8

 
$
0.5

 
$
—

Amortization of:
 
 

 
 

 
 

 
 

Net actuarial gain
 
(2.4
)
 
(2.3
)
 
(0.1
)
 
(0.1
)
Prior service credit
 
—

 
—

 
(0.3
)
 
(0.4
)
Settlement recognition
 
(0.5
)
 
(1.4
)
 
—

 
—

Deferred tax asset
 
0.5

 
0.3

 
—

 
0.2

Foreign currency exchange
 
0.3

 
(0.1
)
 
—

 
—

Total recognized in other comprehensive income
 
$
(2.3
)
 
$
0.3

 
$
0.1

 
$
(0.3
)
Weighted-Average Assumptions

Weighted-average assumptions used to determine domestic benefit obligations:

 
 
Pension Benefits
 
Other Benefits
 
 
2017
 
2016
 
2017
 
2016
Discount rate
 
3.61
%
 
4.13
%
 
3.51
%
 
3.89
%
Rate of increase in future compensation
 
—
%
*
—
%
*
3.00 - 8.00%
(Graded)

 
3.00 - 8.00%
(Graded)


*No rate of increases in future compensation used within assumptions for 2017 and 2016, as the cash balance component of the domestic Pension Plan was frozen and the other domestic Pension Plan components do not base benefits on compensation.

Assumptions used to determine domestic periodic benefit cost:

 
 
Pension Benefits
 
Other Benefits
 
 
2017
 
2016
 
2015
 
2017
 
2016
 
2015
Discount rate
 
4.13
%
 
4.40
%
 
4.00
%
 
3.91
%
 
4.09
%
 
3.75
%
Rate of increase in future compensation
 
—
%
*
—
%
*
—
%
*
3.00 - 8.00%
(Graded)

 
3.00 - 8.00%
(Graded)

 
3.00 - 8.00%
(Graded)

Expected long-term rate of return on plan assets
 
6.25
%
 
6.50
%
 
7.00
%
 
—
%
 
—
%
 
—
%


*No rate of increases in future compensation used within assumptions for 2017, 2016, and 2015, as the cash balance component of the domestic Pension Plan was frozen and the other domestic Pension Plan components do not base benefits on compensation.

Schedule of Aggregated Net Periodic Benefit Cost and Other Benefit Cost
The following table sets forth the aggregated net periodic benefit cost for all defined benefit plans for 2017, 2016, and 2015:
(In millions)
Pension Benefits
 
Other Benefits
 
2017
 
2016
 
2015
 
2017
 
2016
 
2015
Service cost
$
0.7

 
$
0.9

 
$
1.4

 
$
—

 
$
0.1

 
$
0.1

Interest cost
5.6

 
6.0

 
7.5

 
0.3

 
0.3

 
0.5

Expected return on assets
(9.0
)
 
(9.2
)
 
(9.9
)
 
—

 
—

 
—

Amortization of:
 
 
 
 
 
 
 
 
 
 
 
Transition obligation
—

 
—

 
—

 
—

 
—

 
—

Settlement cost
—

 
0.1

 
—

 
—

 
—

 
—

Prior service cost
—

 
—

 
—

 
0.3

 
0.3

 
0.4

Actuarial loss
2.8

 
2.5

 
3.4

 
0.1

 
0.1

 
0.2

Settlement cost
—

 
1.2

 
1.2

 
—

 
—

 
—

Net periodic benefit cost
$
0.1

 
$
1.5

 
$
3.6

 
$
0.7

 
$
0.8

 
$
1.2
Schedule of Allocation of Plan Assets
As of December 31, 2017 and December 31, 2016, funds were invested in equity, fixed income, and other investments as follows:

 
 
Target Percentage
 
Plan Asset Allocation at Year-End
Asset Category
 
at Year-End 2017
 
2017
 
2016
Equity securities
 
26
%
 
26
%
 
31
%
Fixed income securities
 
70
%
 
70
%
 
65
%
Other
 
4
%
 
4
%
 
4
%
Total
 
100
%
 
100
%
 
100
%
Schedule of Expected Benefit Payments
The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid in accordance with the following schedule:

(In millions)
 
Pension
 Benefits
 
Other
 Benefits
2018
 
$
12.2

 
$
1.1

2019
 
11.6

 
1.0

2020
 
11.5

 
1.0

2021
 
11.4

 
0.9

2022
 
11.0

 
0.9

Years 2023 through 2027
 
59.4

 
3.6
Schedule of Company Contributions to Defined Contribution Plans
The following table sets forth Company contributions to the defined contribution plans:

(In millions)
 
2017
 
2016
 
2015
Company contributions to the plans
 
$
6.7

 
$
5.9

 
$
5.9