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Pension and Retirement Plans (Tables)
12 Months Ended
Dec. 31, 2020
Retirement Benefits [Abstract]  
Benefit Obligations, Plan Assets and Funded Status of Plans
The following provides information regarding benefit obligations, plan assets and the funded status of the plan:

Pension Benefits
(in millions)20202019
Change in benefit obligation:
Benefit obligation, beginning of year$17.1 $15.7 
Interest cost0.5 0.6 
Actuarial loss1.6 1.6 
Benefits paid(0.8)(0.8)
Benefit obligation, end of year18.4 17.1 
Accumulated benefit obligation18.4 17.1 
Change in plan assets:
Fair value of plan assets, beginning of year18.0 14.5 
Actual gain on plan assets2.2 2.7 
Employer contribution— 1.6 
Benefits paid(0.8)(0.8)
Fair value of plan assets, end of year19.4 18.0 
Funded status, end of year$1.0 $0.9 
Amounts recognized in the consolidated balance sheets:
Noncurrent asset$1.0 $0.9 
Net amount recognized$1.0 $0.9 
Amounts recognized in accumulated other comprehensive loss consist of:
Net loss$4.9 $4.9 
Net amount recognized$4.9 $4.9 
Weighted average assumptions used to determine the benefit obligation:
Discount rate2.30 %3.10 %
Rate of compensation increaseN/AN/A
The primary driver of the actuarial loss in the Company's Pension Plan in 2020 and 2019 within the change in benefit obligation is a result of a decrease in the discount rate assumption.
Amounts Recognized in Balance Sheet
The following provides information regarding benefit obligations, plan assets and the funded status of the plan:

Pension Benefits
(in millions)20202019
Change in benefit obligation:
Benefit obligation, beginning of year$17.1 $15.7 
Interest cost0.5 0.6 
Actuarial loss1.6 1.6 
Benefits paid(0.8)(0.8)
Benefit obligation, end of year18.4 17.1 
Accumulated benefit obligation18.4 17.1 
Change in plan assets:
Fair value of plan assets, beginning of year18.0 14.5 
Actual gain on plan assets2.2 2.7 
Employer contribution— 1.6 
Benefits paid(0.8)(0.8)
Fair value of plan assets, end of year19.4 18.0 
Funded status, end of year$1.0 $0.9 
Amounts recognized in the consolidated balance sheets:
Noncurrent asset$1.0 $0.9 
Net amount recognized$1.0 $0.9 
Amounts recognized in accumulated other comprehensive loss consist of:
Net loss$4.9 $4.9 
Net amount recognized$4.9 $4.9 
Weighted average assumptions used to determine the benefit obligation:
Discount rate2.30 %3.10 %
Rate of compensation increaseN/AN/A
The primary driver of the actuarial loss in the Company's Pension Plan in 2020 and 2019 within the change in benefit obligation is a result of a decrease in the discount rate assumption.
Amounts Recognized in Other Comprehensive Income (Loss)
The following provides information regarding benefit obligations, plan assets and the funded status of the plan:

Pension Benefits
(in millions)20202019
Change in benefit obligation:
Benefit obligation, beginning of year$17.1 $15.7 
Interest cost0.5 0.6 
Actuarial loss1.6 1.6 
Benefits paid(0.8)(0.8)
Benefit obligation, end of year18.4 17.1 
Accumulated benefit obligation18.4 17.1 
Change in plan assets:
Fair value of plan assets, beginning of year18.0 14.5 
Actual gain on plan assets2.2 2.7 
Employer contribution— 1.6 
Benefits paid(0.8)(0.8)
Fair value of plan assets, end of year19.4 18.0 
Funded status, end of year$1.0 $0.9 
Amounts recognized in the consolidated balance sheets:
Noncurrent asset$1.0 $0.9 
Net amount recognized$1.0 $0.9 
Amounts recognized in accumulated other comprehensive loss consist of:
Net loss$4.9 $4.9 
Net amount recognized$4.9 $4.9 
Weighted average assumptions used to determine the benefit obligation:
Discount rate2.30 %3.10 %
Rate of compensation increaseN/AN/A
The primary driver of the actuarial loss in the Company's Pension Plan in 2020 and 2019 within the change in benefit obligation is a result of a decrease in the discount rate assumption.
Weighted Average Assumptions Used
The following provides information regarding benefit obligations, plan assets and the funded status of the plan:

Pension Benefits
(in millions)20202019
Change in benefit obligation:
Benefit obligation, beginning of year$17.1 $15.7 
Interest cost0.5 0.6 
Actuarial loss1.6 1.6 
Benefits paid(0.8)(0.8)
Benefit obligation, end of year18.4 17.1 
Accumulated benefit obligation18.4 17.1 
Change in plan assets:
Fair value of plan assets, beginning of year18.0 14.5 
Actual gain on plan assets2.2 2.7 
Employer contribution— 1.6 
Benefits paid(0.8)(0.8)
Fair value of plan assets, end of year19.4 18.0 
Funded status, end of year$1.0 $0.9 
Amounts recognized in the consolidated balance sheets:
Noncurrent asset$1.0 $0.9 
Net amount recognized$1.0 $0.9 
Amounts recognized in accumulated other comprehensive loss consist of:
Net loss$4.9 $4.9 
Net amount recognized$4.9 $4.9 
Weighted average assumptions used to determine the benefit obligation:
Discount rate2.30 %3.10 %
Rate of compensation increaseN/AN/A
The primary driver of the actuarial loss in the Company's Pension Plan in 2020 and 2019 within the change in benefit obligation is a result of a decrease in the discount rate assumption.
Allocation of Pension Plan Assets and Target Allocation Range of Assets The allocation of assets within the mutual fund as of December 31 and the target asset allocation ranges by asset category are as follows:
Actual Allocation
Asset Category20202019 Target Allocation Ranges
Equity securities48.4 %45.9 %
40% - 65%
Debt securities41.0 %42.2 %
30% - 50%
Cash and equivalents10.6 %11.9 %
0% - 15%
Total100.0 %100.0 %
Net Periodic Benefit Cost
Net periodic benefit cost for 2020, 2019 and 2018 included the following components:

Pension Benefits
(in millions)202020192018
Components of net periodic benefit (income) cost:
Interest cost$0.5 $0.6 $0.6 
Expected return on plan assets(1.0)(0.8)(0.8)
Amortization of actuarial loss0.4 0.5 0.5 
Net periodic benefit (income) cost$(0.1)$0.3 $0.3 
Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss):
Net actuarial loss (gain) for the year$0.4 $(0.3)$0.7 
Amortization of net loss(0.4)(0.5)(0.5)
Total recognized in other comprehensive income (loss)— (0.8)0.2 
Total recognized in net periodic benefit cost and other comprehensive income (loss)$(0.1)$(0.5)$0.5 
Weighted average assumptions used to determine net periodic benefit cost for years ended December 31:
Discount rate3.10 %4.10 %3.50 %
Expected return on plan assets6.00 %6.00 %6.25 %
Rate of compensation increaseN/AN/AN/A
Estimated Future Benefit Payments
The following estimated future benefit payments are expected in the years indicated:

(in millions)Pension Benefits
2021$1.0 
20220.9 
20230.9 
20241.0 
20250.9 
2026 and thereafter
4.9 
Assets of SERP
Assets of the SERP consist of the following:

December 31, 2020December 31, 2019
(in millions)CostMarketCostMarket
Company stock$1.5 $2.3 $1.7 $2.0 
Equity securities4.5 5.0 4.4 4.6 
Total$6.0 $7.3 $6.1 $6.6