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Employee Benefit Plans
12 Months Ended
Dec. 31, 2019
Employee Benefit Plans [Abstract]  
Employee Benefit Plans Employee Benefit Plans
Defined Benefit Plans 
The Company maintains defined benefit retirement plans, primarily for certain domestic employees, as presented below. All plans are frozen to new entrants, with the exception of the executive supplemental plan. Benefits are based primarily on years of service and earnings of the employee.
The significant assumptions used in the measurement of the projected benefit obligation and net periodic benefit cost primarily include the discount rate, rate of compensation increase and expected long-term return on plan assets. Weighted-average assumptions for the projected benefit obligation follows:
 20192018
Discount rate3.0 %4.1 %
Rate of compensation increase3.8 %3.8 %
Weighted-average assumptions for net periodic benefit cost follows:
 201920182017
Discount rate4.1 %3.5 %3.9 %
Rate of compensation increase3.8 %3.8 %3.8 %
Expected long-term return on plan assets6.3 %6.3 %6.3 %
The weighted-average cash balance interest crediting rate for the Company's cash balance defined benefit plans was 4.0% for the years ended December 31, 2019, 2018 and 2017. 
The Company considers several factors in determining the long-term rate of return for plan assets. Asset-class return expectations are set using a combination of empirical and forward-looking analyses. Capital market assumptions for the composition of the Company’s asset portfolio are intended to capture the behavior of asset classes observed over several market cycles. The Company also looks to historical returns for reasonableness and appropriateness.
A reconciliation of the change in the projected benefit obligation, plan assets and the funded status follows: 
(in millions)December 31, 2019December 31, 2018
Funded status  
Projected benefit obligation  
Beginning of year$167.5  $182.8  
Change in benefit obligation:  
Service cost2.8  3.1  
Interest cost6.1  5.5  
Plan amendments(0.1) —  
Actuarial (gain)/loss17.2  (10.0) 
Benefits paid(14.6) (13.9) 
End of year$178.9  $167.5  
Fair value of plan assets  
Beginning of year$148.6  $165.7  
Change in plan assets:  
Actual return on plan assets20.9  (4.6) 
Company contributions1.6  1.4  
Benefits paid(14.6) (13.9) 
End of year$156.5  $148.6  
Unfunded status end of year$(22.4) $(18.9) 
Accumulated benefit obligation at end of year$178.0  $167.0  
The Company’s projected benefit obligation includes approximately $21.8 million and $19.6 million related to the Company’s executive supplemental and director defined benefit pension plans as of December 31, 2019 and 2018, respectively. The Company’s accumulated benefit obligation includes approximately $20.9 million and $19.1 million related to the Company’s executive supplemental and director defined benefit pension plans as of December 31,
2019 and 2018, respectively. The executive supplemental and director defined benefit plans have no plan assets and the Company is not required to pre-fund the obligations.
(in millions)December 31, 2019December 31, 2018
Long-term assets$—  $0.7  
Current liabilities(1.5) (1.5) 
Long-term liabilities(20.9) (18.1) 
Net pension liability $(22.4) $(18.9) 
The amounts included in accumulated other comprehensive income (loss) that have not been recognized in net periodic pension cost follows:
(in millions)December 31, 2019December 31, 2018
Unrecognized actuarial losses (gross)$52.1  $49.3  
Unrecognized actuarial losses (net of tax)41.5  39.6  
Unrecognized prior service costs (gross)0.8  1.0  
Unrecognized prior service costs (net of tax)0.6  0.8  
The components of net periodic benefit cost follows:
(in millions)201920182017
Service cost$2.8  $3.1  $2.6  
Interest cost6.1  5.5  5.3  
Expected return on plan assets(9.7) (10.3) (10.2) 
Amortization of unrecognized net loss3.1  4.3  2.3  
Amortization of unrecognized prior service credit0.2  0.3  0.2  
Net periodic benefit cost$2.5  $2.9  $0.2  
The Company employs a liability driven investment approach whereby plan assets are invested primarily in fixed income investments to match the changes in the projected benefit obligation of funded plans related to changes in interest rates. Risk tolerance is established through careful consideration of projected benefit obligations, plan funded status and the Company’s other obligations and strategic investments. 
The established target allocation is 88.0% fixed income securities and 12.0% equity securities. Fixed income investments are diversified across U.S. treasury, long and intermediate duration and high yield bonds. Equity investments are diversified across large capitalization U.S. and international stocks. Investment risk is measured and monitored on an ongoing basis through investment portfolio reviews, annual projected benefit liability measurements and asset/liability studies.
The fair value measurement of the plans’ assets by asset category follows:
 Quoted Prices in Active Markets for Identical Assets (Level 1)
(in millions)December 31,
2019
December 31,
2018
Cash$0.6  $0.6  
U.S. treasury bonds20.9  27.0  
Mutual funds:  
Equity mutual funds (1)
17.8  17.8  
Fixed income mutual funds (2)
117.2  103.2  
Total$156.5  $148.6  
(1)This category is comprised of investments in mutual funds that invest in equity securities such as large publicly traded companies listed in the S&P 500 Index; small to medium sized companies with market capitalization in the range of the Russell 2500 Index; and foreign issuers in emerging markets.
(2)This category is comprised of investments in mutual funds that invest in U.S. corporate fixed income securities, including asset-backed securities; high yield fixed income securities primarily rated BB, B, CCC, CC, C and D; and US dollar denominated debt securities of government, government related and corporate issuers in emerging market countries.
The Company made contributions of $1.6 million and $1.4 million during 2019 and 2018, respectively, which pertain to the Company’s executive supplemental and director defined benefit pension plans. This contribution covers current participant benefits as these plans have no plan assets. No minimum contributions to the pension plans were required in 2019 and 2018. During 2020, the Company expects to pay approximately $1.5 million in participant
benefits under the executive supplemental and director plans. In light of the plans’ funded status, the Company does not expect to make discretionary contributions to its pension plans in 2020.
A summary of estimated future benefits to be paid for the Company’s defined benefit pension plans as of December 31, 2019, follows:
(in millions)Estimated 
Benefit
Payments
2020$14.2  
202114.1  
202214.3  
202314.6  
202414.7  
2025-202965.7  
Defined Contribution Plans
401K Plan 
The Company maintains defined contribution savings plans covering a significant portion of its eligible employees. Participant contributions are matched by the Company up to a 4.0% maximum of eligible compensation, subject to compensation and contribution limits as defined by the Internal Revenue Service. Employer contributions for the savings plan were $16.6 million, $15.2 million and $14.8 million in 2019, 2018 and 2017, respectively. 
Matching contributions are invested in funds as directed by participants. Eligible participants may also elect to invest up to 50.0% of the Company’s matching contribution in Company common stock. Common shares held by the contribution savings plan follows:
(in millions)December 31,
2019
December 31,
2018
December 31,
2017
Common shares held0.9  1.0  1.1  
Deferred Compensation - Cash
The Company’s Deferred Compensation Plan allows certain eligible participants to defer a portion of their cash compensation and provides a matching contribution to the deferred compensation plan of up to 4.0% of eligible compensation. Eligible participants may elect to receive in-service distributions of deferred compensation or may defer receipt of distributions until retirement via lump sum or annual payment installments over a maximum period of 10 years. Participants allocate their deferred compensation amongst various investment options with earnings accruing to the participant. 
The Company has established a Rabbi Trust to provide for a degree of financial security to cover its obligations with its deferred compensation plan. Contributions to the Rabbi Trust by the Company are made at the discretion of management and generally are made in cash and invested in money-market funds. The Company consolidates the Rabbi Trust and therefore includes the investments in its Consolidated Balance Sheets. As of December 31, 2019, and 2018, the Company had $6.1 million and $10.7 million of cash, respectively, and $5.5 million and $4.3 million of short-term investments, respectively. The short-term investments are measured at fair value using quoted market prices in active markets (i.e. Level 1 measurements) with changes in fair value recorded in net income and the associated cash flows presented as operating cash flows.
Workers’ Compensation Claims and Related Losses 
The Company maintains occurrence-based insurance coverage with certain insurance carriers in accordance with its risk management practices that provides for reimbursement of workers’ compensation claims in excess of $0.5 million. The Company records a recovery receivable from the insurance carriers when such recovery is deemed probable based on the nature of the claim and history of recoveries. The liability related to workers’ compensation claims, both those reported to the Company and those incurred but not yet reported, is estimated based on actuarial
estimates, loss development factors and the Company’s historical loss experience. A summary of the receivable and liability related to workers' compensation claims follows:
(in millions)December 31,
2019
December 31,
2018
Other current assets$0.6  $4.5  
Other long-term assets4.8  2.1  
Total recovery receivable$5.4  $6.6  
Accrued and other current liabilities$4.2  $4.5  
Other long-term liabilities12.9  15.0  
Total workers' compensation liability$17.1  $19.5