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Other Postretirement Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2020
Post Retirement Benefit Plans  
Fair Value, Assets Measured on Recurring Basis
The following tables present the fair value hierarchy for those assets and liabilities on the Consolidated Balance Sheets measured at fair value on a recurring basis as of December 31, 2020 and 2019:
 December 31, 2020
  
TotalLevel 1Level 2Level 3
Assets:
Cash and cash equivalents$320.3 $318.6 $1.7 $ 
Restricted cash0.8 0.8   
Short-term investments37.6  37.6  
Foreign currency hedges1.1  1.1  
Total Assets$359.8 $319.4 $40.4 $ 
Liabilities:
Foreign currency hedges$8.1 $ $8.1 $ 
Total Liabilities$8.1 $ $8.1 $ 
 December 31, 2019
  
TotalLevel 1Level 2Level 3
Assets:
Cash and cash equivalents$160.7 $158.2 $2.5 $— 
Cash and cash equivalents measured at net
asset value
48.8 
Restricted cash6.7 6.7 — — 
Short-term investments25.7 — 25.7 — 
Short-term investments measured at net asset value0.1 
Foreign currency hedges7.6 — 7.6 — 
Total Assets$249.6 $164.9 $35.8 $— 
Liabilities:
Foreign currency hedges$1.4 $— $1.4 $— 
Total Liabilities$1.4 $— $1.4 $— 
Accrued postretirement liability  
Post Retirement Benefit Plans  
Schedule of Defined Benefit Plans Disclosures
The following tables summarize the net periodic benefit cost information and the related assumptions used to measure the net periodic benefit cost for the years ended December 31:
 202020192018
Components of net periodic benefit (credit) cost:
Service cost$0.2 $0.2 $0.2 
Interest cost2.1 5.9 7.6 
Expected return on plan assets(0.4)(3.2)(3.7)
Amortization of prior service credit(9.8)(5.4)(1.7)
Recognition of net actuarial losses (gains)1.4 (18.0)(16.7)
Net periodic benefit (credit) cost$(6.5)$(20.5)$(14.3)
Defined Benefit Plan, Assumptions
Assumptions:202020192018
Discount rate3.43 %
3.48% to 4.30%
3.57 %
Rate of return3.00 %4.85 %4.50 %

The following table summarizes assumptions used to measure the benefit obligation for the other postretirement benefit plans at December 31:
Assumptions:20202019
Discount rate2.62 %3.43 %
Schedule of Changes in Projected Benefit Obligations
  
20202019
Change in benefit obligation:
Benefit obligation at beginning of year$63.4 $186.9 
Service cost0.2 0.2 
Interest cost2.1 5.9 
Plan amendments(3.1)(92.8)
Actuarial losses (gains)1.8 (14.4)
International plan exchange rate change 0.2 
Benefits paid(6.8)(22.7)
Acquisitions 0.1 
Benefit obligation at end of year$57.6 $63.4 
Schedule of Changes in Fair Value of Plan Assets
Change in plan assets:
Fair value of plan assets at beginning of year$64.4 $72.3 
Company contributions / payments2.7 8.0 
Transfer to VEBA trust for certain active employees' medical benefits(50.0)— 
Return on plan assets0.8 6.8 
Benefits paid(6.8)(22.7)
Fair value of plan assets at end of year11.1 64.4 
Funded status at end of year$(46.5)$1.0 
Defined Benefit Plans Amounts recognized on the Consolidated Balance Sheets
Amounts recognized on the Consolidated Balance Sheets:20202019
Non-current assets$ $36.6 
Current liabilities(5.2)(3.8)
Non-current liabilities(41.3)(31.8)
 $(46.5)$1.0 
Defined Benefit Plans Amounts recognized in accumulated other comprehensive income
Amounts recognized in accumulated other comprehensive income:
Net prior service credit$(91.5)$(98.2)
Accumulated other comprehensive income$(91.5)$(98.2)
Changes to prior service credit recognized in accumulated other comprehensive (income) loss:
Accumulated other comprehensive income at beginning of year$(98.2)$(10.8)
Prior service credit(3.1)(92.8)
Recognized prior service credit9.8 5.4 
Total recognized in accumulated other comprehensive income at December 31$(91.5)$(98.2)
Target Assets Allocation and Actual Asset Allocations for US Pension Plan Assets
The Company’s target allocation for the VEBA trust assets, as well as the actual VEBA trust asset allocation as of December 31, 2020 and 2019, was as follows:
 Current Target
Allocation
Percentage of VEBA Assets
at December 31,
Asset Category20202019
Equity securities—%18%
Fixed income securities100%100%82%
Total100%100%
Fair Value, Assets Measured on Recurring Basis
The following table presents those investments of the Company’s VEBA trust assets as of December 31, 2020 and 2019, respectively:
Balance at December 31, 2020
Assets:NAVLevel 1Level 2Level 3
Cash and cash equivalents $0.5 $ $ $ 
Mutual fund - fixed income 10.6   
Total Assets$0.5 $10.6 $ $ 

Balance at December 31, 2019
Assets:NAVLevel 1Level 2Level 3
Cash and cash equivalents $9.4 $— $— $— 
Common collective fund - U.S. equities 7.4 — — — 
Common collective fund - international equities 4.2 — — — 
Common collective fund - fixed income 43.4 — — — 
Total Assets$64.4 $— $— $— 
Future Pension Benefit Payments
Estimated future benefit payments to be funded by the Company are expected to be as follows:
Future Benefit Payments
2021$
2022
2023
2024
2025
2026-203018