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Employee Retirement Plans (Tables)
 12 Months Ended
Dec. 31, 2021
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs The components of net pension income for the years ended December 31, 2021 and 2020, were as follows:
Pension Benefits
20212020
Interest cost$(8.8)$(13.6)
Expected return on plan assets24.2 24.2 
Net periodic benefit income 15.4 10.6 
Settlement charge(0.9)(0.1)
Net pension income$14.5 $10.5 
Schedule of Defined Benefit Plans Disclosures The following table provides a reconciliation of the projected benefit obligation, fair value of plan assets and the funded status of the pension plans as of December 31, 2021 and 2020:
Pension Benefits
20212020
Changes in benefit obligation
Projected benefit obligation, beginning of year$(525.6)$(515.7)
Interest cost(8.8)(13.6)
Actuarial gain (loss)23.1 (40.5)
Benefits paid47.5 43.6 
Liability benefit from settlement1.1 0.6 
Projected benefit obligation, end of year(462.7)(525.6)
Changes in plan assets
Fair value of plan assets, beginning of year469.0 436.8 
Actual return on plan assets20.4 68.0 
Employer contributions1.6 7.8 
Benefits paid(47.5)(43.6)
Fair value of plan assets, end of year443.5 469.0 
Funded status$(19.2)$(56.6)
Schedule of Amounts Recognized in Balance Sheet Amounts recognized on the consolidated balance sheets as of December 31, 2021 and 2020, were as follows:
Pension Benefits
20212020
Current liabilities$(1.6)$(1.7)
Noncurrent liabilities(17.6)(54.9)
Total amount recognized$(19.2)$(56.6)
Reconciliation of Accumulated Other Comprehensive Income (Loss) Prior to Any Deferred Tax Effects The following table provides a reconciliation of the Company’s accumulated other comprehensive loss prior to any deferred tax effects at December 31, 2021 and 2020:
Actuarial Gain / (Loss), net
Balance at January 1, 2020$(41.4)
Amount arising during the period3.2 
Impact of pension plan settlement charge included in net loss0.1 
Balance at December 31, 2020(38.1)
Amount arising during the period20.3 
Impact of pension plan settlement charge included in net earnings0.9 
Balance at December 31, 2021$(16.9)
Schedule of Assumptions Used
The weighted average assumptions used to determine net periodic benefit costs for the years ended December 31, 2021 and 2020, were as follows:
Pension Benefits
20212020
Discount rate2.37 %3.20 %
Expected long-term return on plan assets5.50 %5.75 %

The weighted average assumptions used to determine pension benefit obligations at December 31, 2021 and 2020, were as follows:
Pension Benefits
20212020
Discount rate (end of year rate)2.77 %2.37 %
Schedule of Expected Benefit Payments An estimate of the Plans’ present value of future benefit payments to be made from funded qualified plans and unfunded non-qualified plans to plan participants at December 31, 2021, were as follows:
Future Pension
Benefit Payments
2022$37.0 
202334.9 
202433.9 
202533.1 
202632.0 
2027 - 2031141.0 
Thereafter150.8 
Total$462.7 
Schedule of Allocation of Plan Assets
The fair values of the Company’s pension plan assets at December 31, 2021 and 2020, by asset category were as follows:
December 31, 2021December 31, 2020
Asset CategoryTotalLevel 1Level 2Level 3TotalLevel 1Level 2Level 3
Cash and cash equivalents$3.2 $3.2 $— $— $5.3 $5.3 $— $— 
Debt securities120.6 — 120.6 — 125.7 — 125.7 — 
Equity securities22.2 — 22.2 — 28.9 — 28.9 — 
Total pension plan assets, excluding those measured at net asset value (“NAV”)
146.0 $3.2 $142.8 $— 159.9 $5.3 $154.6 $— 
Investments measured at NAV (1)
297.5 309.1 
Total pension plan assets
$443.5 $469.0 
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(1)These investments consist of privately placed funds that are valued based on NAV. NAV of the funds is based on the fair value of each fund’s underlying investments. In accordance with ASC Subtopic 820-10, certain investments that are measured at fair value using the NAV per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy.
Schedule of Fair Value Measurements in Collective Trusts [Table Text Block] The fair value measurements in common/collective trusts, calculated using a NAV and their redemption restrictions, for the years ended December 31, 2021 and 2020, are as follows:
Fair ValueRedemption Frequency (If Currently Eligible)Redemption Notice Period
20212020
JP Morgan Chase Bank Strategic Property Fund$12.8 $12.8 Quarterly30 days
Pyramis Long Corporate A or Better55.4 98.5 Daily15 days
Pyramis Long Duration46.9 98.8 Daily15 days
Pyramis 810 Corporate101.3 — Daily15 days
Russell 3000 Index NL81.1 99.0 Daily1 day
Total value of investments measured at NAV$297.5 $309.1