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Benefit Plans and Other Postretirement Benefits (Tables) | 12 Months Ended
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Dec. 31, 2017
Pension Benefits |
Defined Benefit Plan Disclosure |
Schedule of change in projected benefit obligation and plan assets |
|  | U.S. Plans |  | International Plans |  | Total
|  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016
Change in projected benefit obligation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Projected benefit obligation at beginning of year |  | $ | 469.8 |  | $ | 460.8 |  | $ | 233.5 |  | $ | 174.4 |  | $ | 703.3 |  | $ | 635.2
Service cost |  |  | 6.7 |  |  | 6.2 |  |  | 2.9 |  |  | 2.8 |  |  | 9.6 |  |  | 9.0
Interest cost |  |  | 15.3 |  |  | 15.4 |  |  | 4.7 |  |  | 5.5 |  |  | 20.0 |  |  | 20.9
Acquisitions |  |  | — |  |  | — |  |  | — |  |  | 47.4 |  |  | — |  |  | 47.4
Plan amendments |  |  | — |  |  | 3.7 |  |  | — |  |  | — |  |  | — |  |  | 3.7
Actuarial (gain) loss |  |  | 21.1 |  |  | 11.6 |  |  | (2.2) |  |  | 28.0 |  |  | 18.9 |  |  | 39.6
Foreign exchange translation |  |  | — |  |  | — |  |  | 26.7 |  |  | (17.3) |  |  | 26.7 |  |  | (17.3)
Benefits paid |  |  | (26.2) |  |  | (27.9) |  |  | (10.6) |  |  | (7.3) |  |  | (36.8) |  |  | (35.2)
Projected benefit obligation at end of year |  |  | 486.7 |  |  | 469.8 |  |  | 255.0 |  |  | 233.5 |  |  | 741.7 |  |  | 703.3
Change in plan assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  |  | 342.1 |  |  | 333.2 |  |  | 97.8 |  |  | 59.0 |  |  | 439.9 |  |  | 392.2
Actual return on plan assets |  |  | 57.2 |  |  | 20.4 |  |  | 5.2 |  |  | 11.4 |  |  | 62.4 |  |  | 31.8
Employer contributions |  |  | 16.5 |  |  | 16.4 |  |  | 6.0 |  |  | 5.8 |  |  | 22.5 |  |  | 22.2
Acquisitions |  |  | — |  |  | — |  |  | — |  |  | 36.7 |  |  | — |  |  | 36.7
Foreign exchange translation |  |  | — |  |  | — |  |  | 9.9 |  |  | (7.8) |  |  | 9.9 |  |  | (7.8)
Benefits paid |  |  | (26.2) |  |  | (27.9) |  |  | (10.6) |  |  | (7.3) |  |  | (36.8) |  |  | (35.2)
Fair value of plan assets at end of year |  |  | 389.6 |  |  | 342.1 |  |  | 108.3 |  |  | 97.8 |  |  | 497.9 |  |  | 439.9
Underfunded status at end of year |  | $ | 97.1 |  | $ | 127.7 |  | $ | 146.7 |  | $ | 135.7 |  | $ | 243.8 |  | $ | 263.4
Amounts recognized on the balance sheet as of December 31: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other accrued expenses |  | $ | — |  | $ | — |  | $ | 3.1 |  | $ | 2.8 |  | $ | 3.1 |  | $ | 2.8
Accrued pension and postretirement benefit obligations |  |  | 97.1 |  |  | 127.7 |  |  | 143.6 |  |  | 132.9 |  |  | 240.7 |  |  | 260.6
Underfunded status at end of year |  | $ | 97.1 |  | $ | 127.7 |  | $ | 146.7 |  | $ | 135.7 |  | $ | 243.8 |  | $ | 263.4
Accumulated other comprehensive loss, net |  | $ | (110.5) |  | $ | (129.3) |  | $ | (53.9) |  | $ | (62.5) |  | $ | (164.4) |  | $ | (191.8)
Weighted average assumptions used to determine projected benefit obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 3.48 | % |  | 3.93 | % |  | 2.21 | % |  | 2.28 | % |  |  |  |  |
Rate of compensation increase |  |  | 3.00 | % |  | 3.00 | % |  | 1.70 | % |  | 1.63 | % |  |  |  |  |
Schedule of amounts recognized in the balance sheet |
|  | U.S. Plans |  | International Plans |  | Total
|  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016
Change in projected benefit obligation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Projected benefit obligation at beginning of year |  | $ | 469.8 |  | $ | 460.8 |  | $ | 233.5 |  | $ | 174.4 |  | $ | 703.3 |  | $ | 635.2
Service cost |  |  | 6.7 |  |  | 6.2 |  |  | 2.9 |  |  | 2.8 |  |  | 9.6 |  |  | 9.0
Interest cost |  |  | 15.3 |  |  | 15.4 |  |  | 4.7 |  |  | 5.5 |  |  | 20.0 |  |  | 20.9
Acquisitions |  |  | — |  |  | — |  |  | — |  |  | 47.4 |  |  | — |  |  | 47.4
Plan amendments |  |  | — |  |  | 3.7 |  |  | — |  |  | — |  |  | — |  |  | 3.7
Actuarial (gain) loss |  |  | 21.1 |  |  | 11.6 |  |  | (2.2) |  |  | 28.0 |  |  | 18.9 |  |  | 39.6
Foreign exchange translation |  |  | — |  |  | — |  |  | 26.7 |  |  | (17.3) |  |  | 26.7 |  |  | (17.3)
Benefits paid |  |  | (26.2) |  |  | (27.9) |  |  | (10.6) |  |  | (7.3) |  |  | (36.8) |  |  | (35.2)
Projected benefit obligation at end of year |  |  | 486.7 |  |  | 469.8 |  |  | 255.0 |  |  | 233.5 |  |  | 741.7 |  |  | 703.3
Change in plan assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  |  | 342.1 |  |  | 333.2 |  |  | 97.8 |  |  | 59.0 |  |  | 439.9 |  |  | 392.2
Actual return on plan assets |  |  | 57.2 |  |  | 20.4 |  |  | 5.2 |  |  | 11.4 |  |  | 62.4 |  |  | 31.8
Employer contributions |  |  | 16.5 |  |  | 16.4 |  |  | 6.0 |  |  | 5.8 |  |  | 22.5 |  |  | 22.2
Acquisitions |  |  | — |  |  | — |  |  | — |  |  | 36.7 |  |  | — |  |  | 36.7
Foreign exchange translation |  |  | — |  |  | — |  |  | 9.9 |  |  | (7.8) |  |  | 9.9 |  |  | (7.8)
Benefits paid |  |  | (26.2) |  |  | (27.9) |  |  | (10.6) |  |  | (7.3) |  |  | (36.8) |  |  | (35.2)
Fair value of plan assets at end of year |  |  | 389.6 |  |  | 342.1 |  |  | 108.3 |  |  | 97.8 |  |  | 497.9 |  |  | 439.9
Underfunded status at end of year |  | $ | 97.1 |  | $ | 127.7 |  | $ | 146.7 |  | $ | 135.7 |  | $ | 243.8 |  | $ | 263.4
Amounts recognized on the balance sheet as of December 31: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other accrued expenses |  | $ | — |  | $ | — |  | $ | 3.1 |  | $ | 2.8 |  | $ | 3.1 |  | $ | 2.8
Accrued pension and postretirement benefit obligations |  |  | 97.1 |  |  | 127.7 |  |  | 143.6 |  |  | 132.9 |  |  | 240.7 |  |  | 260.6
Underfunded status at end of year |  | $ | 97.1 |  | $ | 127.7 |  | $ | 146.7 |  | $ | 135.7 |  | $ | 243.8 |  | $ | 263.4
Accumulated other comprehensive loss, net |  | $ | (110.5) |  | $ | (129.3) |  | $ | (53.9) |  | $ | (62.5) |  | $ | (164.4) |  | $ | (191.8)
Weighted average assumptions used to determine projected benefit obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 3.48 | % |  | 3.93 | % |  | 2.21 | % |  | 2.28 | % |  |  |  |  |
Rate of compensation increase |  |  | 3.00 | % |  | 3.00 | % |  | 1.70 | % |  | 1.63 | % |  |  |  |  |
Schedule of weighted average assumptions used to determine projected benefit obligations |
|  | U.S. Plans |  | International Plans |  | Total
|  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016
Change in projected benefit obligation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Projected benefit obligation at beginning of year |  | $ | 469.8 |  | $ | 460.8 |  | $ | 233.5 |  | $ | 174.4 |  | $ | 703.3 |  | $ | 635.2
Service cost |  |  | 6.7 |  |  | 6.2 |  |  | 2.9 |  |  | 2.8 |  |  | 9.6 |  |  | 9.0
Interest cost |  |  | 15.3 |  |  | 15.4 |  |  | 4.7 |  |  | 5.5 |  |  | 20.0 |  |  | 20.9
Acquisitions |  |  | — |  |  | — |  |  | — |  |  | 47.4 |  |  | — |  |  | 47.4
Plan amendments |  |  | — |  |  | 3.7 |  |  | — |  |  | — |  |  | — |  |  | 3.7
Actuarial (gain) loss |  |  | 21.1 |  |  | 11.6 |  |  | (2.2) |  |  | 28.0 |  |  | 18.9 |  |  | 39.6
Foreign exchange translation |  |  | — |  |  | — |  |  | 26.7 |  |  | (17.3) |  |  | 26.7 |  |  | (17.3)
Benefits paid |  |  | (26.2) |  |  | (27.9) |  |  | (10.6) |  |  | (7.3) |  |  | (36.8) |  |  | (35.2)
Projected benefit obligation at end of year |  |  | 486.7 |  |  | 469.8 |  |  | 255.0 |  |  | 233.5 |  |  | 741.7 |  |  | 703.3
Change in plan assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  |  | 342.1 |  |  | 333.2 |  |  | 97.8 |  |  | 59.0 |  |  | 439.9 |  |  | 392.2
Actual return on plan assets |  |  | 57.2 |  |  | 20.4 |  |  | 5.2 |  |  | 11.4 |  |  | 62.4 |  |  | 31.8
Employer contributions |  |  | 16.5 |  |  | 16.4 |  |  | 6.0 |  |  | 5.8 |  |  | 22.5 |  |  | 22.2
Acquisitions |  |  | — |  |  | — |  |  | — |  |  | 36.7 |  |  | — |  |  | 36.7
Foreign exchange translation |  |  | — |  |  | — |  |  | 9.9 |  |  | (7.8) |  |  | 9.9 |  |  | (7.8)
Benefits paid |  |  | (26.2) |  |  | (27.9) |  |  | (10.6) |  |  | (7.3) |  |  | (36.8) |  |  | (35.2)
Fair value of plan assets at end of year |  |  | 389.6 |  |  | 342.1 |  |  | 108.3 |  |  | 97.8 |  |  | 497.9 |  |  | 439.9
Underfunded status at end of year |  | $ | 97.1 |  | $ | 127.7 |  | $ | 146.7 |  | $ | 135.7 |  | $ | 243.8 |  | $ | 263.4
Amounts recognized on the balance sheet as of December 31: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other accrued expenses |  | $ | — |  | $ | — |  | $ | 3.1 |  | $ | 2.8 |  | $ | 3.1 |  | $ | 2.8
Accrued pension and postretirement benefit obligations |  |  | 97.1 |  |  | 127.7 |  |  | 143.6 |  |  | 132.9 |  |  | 240.7 |  |  | 260.6
Underfunded status at end of year |  | $ | 97.1 |  | $ | 127.7 |  | $ | 146.7 |  | $ | 135.7 |  | $ | 243.8 |  | $ | 263.4
Accumulated other comprehensive loss, net |  | $ | (110.5) |  | $ | (129.3) |  | $ | (53.9) |  | $ | (62.5) |  | $ | (164.4) |  | $ | (191.8)
Weighted average assumptions used to determine projected benefit obligations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 3.48 | % |  | 3.93 | % |  | 2.21 | % |  | 2.28 | % |  |  |  |  |
Rate of compensation increase |  |  | 3.00 | % |  | 3.00 | % |  | 1.70 | % |  | 1.63 | % |  |  |  |  |
Schedule of components of net pension expense |
|  | U.S. Plans |  | International Plans |  | Total
|  | 2017 |  | 2016 |  | 2015 |  | 2017 |  | 2016 |  | 2015 |  | 2017 |  | 2016 |  | 2015
Components of net pension expense: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 6.7 |  | $ | 6.2 |  | $ | 6.5 |  | $ | 2.9 |  | $ | 2.8 |  | $ | 2.8 |  | $ | 9.6 |  | $ | 9.0 |  | $ | 9.3
Interest cost |  |  | 15.3 |  |  | 15.4 |  |  | 17.4 |  |  | 4.7 |  |  | 5.5 |  |  | 5.4 |  |  | 20.0 |  |  | 20.9 |  |  | 22.8
Expected return on plan assets |  |  | (27.2) |  |  | (26.2) |  |  | (25.9) |  |  | (3.5) |  |  | (3.9) |  |  | (3.2) |  |  | (30.7) |  |  | (30.1) |  |  | (29.1)
Amortization of prior service cost |  |  | 2.7 |  |  | 2.4 |  |  | 2.3 |  |  | — |  |  | — |  |  | — |  |  | 2.7 |  |  | 2.4 |  |  | 2.3
Amortization of actuarial losses |  |  | 18.3 |  |  | 18.6 |  |  | 21.5 |  |  | 4.6 |  |  | 3.4 |  |  | 4.2 |  |  | 22.9 |  |  | 22.0 |  |  | 25.7
Net pension expense |  | $ | 15.8 |  | $ | 16.4 |  | $ | 21.8 |  | $ | 8.7 |  | $ | 7.8 |  | $ | 9.2 |  | $ | 24.5 |  | $ | 24.2 |  | $ | 31.0
Weighted average assumptions used to determine net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 3.93 | % |  | 4.11 | % |  | 3.75 | % |  | 2.28 | % |  | 2.96 | % |  | 2.91 | % |  |  |  |  |  |  |  |
Expected long-term return on assets |  |  | 7.75 | % |  | 7.75 | % |  | 8.00 | % |  | 3.80 | % |  | 4.29 | % |  | 5.47 | % |  |  |  |  |  |  |  |
Rate of compensation increase |  |  | 3.00 | % |  | 3.00 | % |  | 3.00 | % |  | 1.63 | % |  | 1.61 | % |  | 1.45 | % |  |  |  |  |  |  |  |
Schedule of weighted average assumptions used to determine net benefit cost/expense |
|  | U.S. Plans |  | International Plans |  | Total
|  | 2017 |  | 2016 |  | 2015 |  | 2017 |  | 2016 |  | 2015 |  | 2017 |  | 2016 |  | 2015
Components of net pension expense: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 6.7 |  | $ | 6.2 |  | $ | 6.5 |  | $ | 2.9 |  | $ | 2.8 |  | $ | 2.8 |  | $ | 9.6 |  | $ | 9.0 |  | $ | 9.3
Interest cost |  |  | 15.3 |  |  | 15.4 |  |  | 17.4 |  |  | 4.7 |  |  | 5.5 |  |  | 5.4 |  |  | 20.0 |  |  | 20.9 |  |  | 22.8
Expected return on plan assets |  |  | (27.2) |  |  | (26.2) |  |  | (25.9) |  |  | (3.5) |  |  | (3.9) |  |  | (3.2) |  |  | (30.7) |  |  | (30.1) |  |  | (29.1)
Amortization of prior service cost |  |  | 2.7 |  |  | 2.4 |  |  | 2.3 |  |  | — |  |  | — |  |  | — |  |  | 2.7 |  |  | 2.4 |  |  | 2.3
Amortization of actuarial losses |  |  | 18.3 |  |  | 18.6 |  |  | 21.5 |  |  | 4.6 |  |  | 3.4 |  |  | 4.2 |  |  | 22.9 |  |  | 22.0 |  |  | 25.7
Net pension expense |  | $ | 15.8 |  | $ | 16.4 |  | $ | 21.8 |  | $ | 8.7 |  | $ | 7.8 |  | $ | 9.2 |  | $ | 24.5 |  | $ | 24.2 |  | $ | 31.0
Weighted average assumptions used to determine net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 3.93 | % |  | 4.11 | % |  | 3.75 | % |  | 2.28 | % |  | 2.96 | % |  | 2.91 | % |  |  |  |  |  |  |  |
Expected long-term return on assets |  |  | 7.75 | % |  | 7.75 | % |  | 8.00 | % |  | 3.80 | % |  | 4.29 | % |  | 5.47 | % |  |  |  |  |  |  |  |
Rate of compensation increase |  |  | 3.00 | % |  | 3.00 | % |  | 3.00 | % |  | 1.63 | % |  | 1.61 | % |  | 1.45 | % |  |  |  |  |  |  |  |
Fair values of Company's pension plan assets by asset category |
|  |  |  |  |  |  |  |  |  |  | Assets
|  |  |  |  |  |  |  |  |  |  | Measured at
|  |  |  |  |  |  |  |  |  |  | Net Asset
Asset Category |  | Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Value (a)
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. equities — large cap |  | $ | 141.5 |  | $ | 106.6 |  | $ | 34.9 |  | $ | — |  | $ | —
U.S. equities — small/mid cap and other |  |  | 22.0 |  |  | — |  |  | 22.0 |  |  | — |  |  | —
International equities — growth |  |  | 35.6 |  |  | 30.4 |  |  | 5.2 |  |  | — |  |  | —
International equities — other |  |  | 95.5 |  |  | — |  |  | 40.7 |  |  | — |  |  | 54.8
Alternative investment funds |  |  | 12.9 |  |  | — |  |  | — |  |  | — |  |  | 12.9
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. fixed income securities — short term |  |  | 6.1 |  |  | — |  |  | — |  |  | — |  |  | 6.1
U.S. fixed income securities — intermediate term |  |  | 61.4 |  |  | 61.4 |  |  | — |  |  | — |  |  | —
U.S. fixed income securities — high yield |  |  | 21.9 |  |  | — |  |  | 21.9 |  |  | — |  |  | —
International fixed income securities — other |  |  | 47.4 |  |  | — |  |  | 47.4 |  |  | — |  |  | —
Insurance contracts |  |  | 37.9 |  |  | — |  |  | — |  |  | 37.9 |  |  | —
Real estate funds |  |  | 7.0 |  |  | — |  |  | — |  |  | 7.0 |  |  | —
Cash and cash equivalents |  |  | 8.7 |  |  | 8.7 |  |  | — |  |  | — |  |  | —
Total |  | $ | 497.9 |  | $ | 207.1 |  | $ | 172.1 |  | $ | 44.9 |  | $ | 73.8
December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. equities — large cap |  | $ | 118.8 |  | $ | 88.7 |  | $ | 30.1 |  | $ | — |  | $ | —
U.S. equities — small/mid cap and other |  |  | 25.8 |  |  | — |  |  | 25.8 |  |  | — |  |  | —
International equities — growth |  |  | 46.5 |  |  | 46.5 |  |  | — |  |  | — |  |  | —
International equities — other |  |  | 60.6 |  |  | 7.0 |  |  | 33.9 |  |  | — |  |  | 19.7
Alternative investment funds |  |  | 12.6 |  |  | — |  |  | — |  |  | — |  |  | 12.6
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. fixed income securities — short term |  |  | 6.0 |  |  | — |  |  | — |  |  | — |  |  | 6.0
U.S. fixed income securities — intermediate term |  |  | 58.4 |  |  | 58.4 |  |  | — |  |  | — |  |  | —
U.S. fixed income securities — high yield |  |  | 22.2 |  |  | — |  |  | 22.2 |  |  | — |  |  | —
International fixed income securities — other |  |  | 43.0 |  |  | — |  |  | 43.0 |  |  | — |  |  | —
Insurance contracts |  |  | 34.0 |  |  | — |  |  | — |  |  | 34.0 |  |  | —
Cash and cash equivalents |  |  | 12.0 |  |  | 12.0 |  |  | — |  |  | — |  |  | —
Total |  | $ | 439.9 |  | $ | 212.6 |  | $ | 155.0 |  | $ | 34.0 |  | $ | 38.3
| (a) |  | Certain investments measured at fair value using the net asset value (NAV) practical expedient have been removed from the fair value hierarchy but included in the table above in order to permit the reconciliation of the fair value hierarchy to total plan assets.
Reconciliation of fair value measurements using significant unobservable inputs (Level 3) |
|  |  | 2017 |  |  | 2016
Balance on January 1 |  | $ | 34.0 |  | $ | —
Additions due to acquisition |  |  | — |  |  | 34.3
Unrealized gains (losses), net |  |  | 0.6 |  |  | 2.7
Purchases, sales and settlements, net |  |  | 5.8 |  |  | (0.9)
Foreign currency translation |  |  | 4.5 |  |  | (2.1)
Balance on December 31 |  | $ | 44.9 |  | $ | 34.0
Schedule of amounts, before tax, included in Accumulated other comprehensive loss that have not yet been recognized as expense |
|  | U.S. |  | International |  |  |  |  |  |
|  | Plans |  | Plans |  | Total
|  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016
Net loss |  | $ | 167.7 |  | $ | 194.7 |  | $ | 70.0 |  | $ | 71.0 |  | $ | 237.7 |  | $ | 265.7
Net prior service cost |  |  | 7.7 |  |  | 10.5 |  |  | — |  |  | — |  |  | 7.7 |  |  | 10.5
Benefit payments related to the pension plans, including amounts to be paid out of Company assets and reflecting future expected service |
|  | U.S. |  | International |  |  |
|  | Plans |  | Plans |  | Total |
2018 |  | $ | 24.8 |  | $ | 7.5 |  | $ | 32.3 |
2019 |  |  | 25.8 |  |  | 7.1 |  |  | 32.9 |
2020 |  |  | 26.9 |  |  | 7.3 |  |  | 34.2 |
2021 |  |  | 27.8 |  |  | 9.2 |  |  | 37.0 |
2022 |  |  | 28.9 |  |  | 9.4 |  |  | 38.3 |
2023-2027 |  |  | 151.2 |  |  | 51.1 |  |  | 202.3 |
Other Postretirement Benefits |
Defined Benefit Plan Disclosure |
Schedule of change in projected benefit obligation and plan assets |
|  | 2017 |  | 2016 |
Change in benefit obligation: |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 13.6 |  | $ | 13.2 |
Interest cost |  |  | 0.4 |  |  | 0.4 |
Benefits paid |  |  | (0.9) |  |  | (0.9) |
Actuarial loss |  |  | — |  |  | 0.9 |
Benefit obligation at end of year |  | $ | 13.1 |  | $ | 13.6 |
Amounts recognized on the balance sheet as of December 31: |  |  |  |  |  |  |
Other accrued expenses |  | $ | 1.2 |  | $ | 1.2 |
Accrued pension and postretirement benefit obligations |  |  | 11.9 |  |  | 12.4 |
Unfunded status at end of year |  | $ | 13.1 |  | $ | 13.6 |
Accumulated other comprehensive loss, net |  | $ | (3.2) |  | $ | (3.6) |
Weighted average assumptions used to determine projected benefit obligations: |  |  |  |  |  |  |
Discount rate |  |  | 3.29 | % |  | 3.65 | %
Schedule of amounts recognized in the balance sheet |
|  | 2017 |  | 2016 |
Change in benefit obligation: |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 13.6 |  | $ | 13.2 |
Interest cost |  |  | 0.4 |  |  | 0.4 |
Benefits paid |  |  | (0.9) |  |  | (0.9) |
Actuarial loss |  |  | — |  |  | 0.9 |
Benefit obligation at end of year |  | $ | 13.1 |  | $ | 13.6 |
Amounts recognized on the balance sheet as of December 31: |  |  |  |  |  |  |
Other accrued expenses |  | $ | 1.2 |  | $ | 1.2 |
Accrued pension and postretirement benefit obligations |  |  | 11.9 |  |  | 12.4 |
Unfunded status at end of year |  | $ | 13.1 |  | $ | 13.6 |
Accumulated other comprehensive loss, net |  | $ | (3.2) |  | $ | (3.6) |
Weighted average assumptions used to determine projected benefit obligations: |  |  |  |  |  |  |
Discount rate |  |  | 3.29 | % |  | 3.65 | %
Schedule of weighted average assumptions used to determine projected benefit obligations |
|  | 2017 |  | 2016 |
Change in benefit obligation: |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 13.6 |  | $ | 13.2 |
Interest cost |  |  | 0.4 |  |  | 0.4 |
Benefits paid |  |  | (0.9) |  |  | (0.9) |
Actuarial loss |  |  | — |  |  | 0.9 |
Benefit obligation at end of year |  | $ | 13.1 |  | $ | 13.6 |
Amounts recognized on the balance sheet as of December 31: |  |  |  |  |  |  |
Other accrued expenses |  | $ | 1.2 |  | $ | 1.2 |
Accrued pension and postretirement benefit obligations |  |  | 11.9 |  |  | 12.4 |
Unfunded status at end of year |  | $ | 13.1 |  | $ | 13.6 |
Accumulated other comprehensive loss, net |  | $ | (3.2) |  | $ | (3.6) |
Weighted average assumptions used to determine projected benefit obligations: |  |  |  |  |  |  |
Discount rate |  |  | 3.29 | % |  | 3.65 | %
Schedule of components of net pension expense |
|  | 2017 |  | 2016 |  | 2015 |
Components of net postretirement benefit expense: |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | — |  | $ | — |  | $ | 0.1 |
Interest cost |  |  | 0.4 |  |  | 0.4 |  |  | 0.4 |
Amortization of actuarial losses |  |  | 0.5 |  |  | 0.7 |  |  | 0.3 |
Net postretirement benefit expense |  | $ | 0.9 |  | $ | 1.1 |  | $ | 0.8 |
Weighted average assumptions used to determine net postretirement benefit expense: |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 3.65 | % |  | 3.71 | % |  | 3.50 | %
Schedule of weighted average assumptions used to determine net benefit cost/expense |
|  | 2017 |  | 2016 |  | 2015 |
Components of net postretirement benefit expense: |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | — |  | $ | — |  | $ | 0.1 |
Interest cost |  |  | 0.4 |  |  | 0.4 |  |  | 0.4 |
Amortization of actuarial losses |  |  | 0.5 |  |  | 0.7 |  |  | 0.3 |
Net postretirement benefit expense |  | $ | 0.9 |  | $ | 1.1 |  | $ | 0.8 |
Weighted average assumptions used to determine net postretirement benefit expense: |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 3.65 | % |  | 3.71 | % |  | 3.50 | %

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