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10-K Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of changes in benefit obligation and plan assets

Changes in benefit obligation and plan assets and amounts recognized in the Consolidated Balance Sheets at December 31, were as follows:

			Pension Benefits												Other Postretirement Benefits
			2022						2021						2022						2021
			(In thousands)
Change in benefit obligation:
Benefit obligation at beginning of year			$	44,363					$	46,783					$	19,480					$	21,790
Service cost			—						—						522						567
Interest cost			1,127						1,053						514						492
Plan participants’ contributions			—						—						3						3
Actuarial gain			(9,174)						(832)						(5,319)						(2,769)
Benefits paid			(2,558)						(2,641)						(584)						(603)
Benefit obligation at end of year			33,758						44,363						14,616						19,480
Change in net plan assets:
Fair value of plan assets at beginning of year			39,345						40,710						314						505
Actual return on plan assets			(8,356)						1,276						(473)						17
Employer contribution			—						—						426						392
Plan participants’ contributions			—						—						3						3
Benefits paid			(2,558)						(2,641)						(584)						(603)
Fair value of net plan assets at end of year			28,431						39,345						(314)						314
Funded status - under			$	(5,327)					$	(5,018)					$	(14,930)					$	(19,166)
Amounts recognized in the Consolidated Balance Sheets at December 31:
Other accrued liabilities			$	—					$	—					$	1,044					$	544
Noncurrent liabilities - other			5,327						5,018						13,886						18,622
Benefit obligation liabilities - net amount recognized			$	5,327					$	5,018					$	14,930					$	19,166
Amounts recognized in accumulated other comprehensive loss consist of:
Actuarial (gain) loss			$	19,087					$	18,788					$	(2,057)					$	3,128
Prior service credit			—						—						(109)						(189)
Total			$	19,087					$	18,788					$	(2,166)					$	2,939

Schedule of projected benefit obligation

The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for these plans at December 31, were as follows:

			2022						2021
			(In thousands)
Projected benefit obligation			$	33,758					$	44,363
Accumulated benefit obligation			$	33,758					$	44,363
Fair value of plan assets			$	28,431					$	39,345

Schedule of net benefit costs

These components related to the Company’s pension and other postretirement benefit plans for the years ended December 31, were as follows:

			Pension Benefits																		Other Postretirement Benefits
			2022						2021						2020						2022						2021						2020
			(In thousands)
Components of net periodic benefit cost (credit):
Service cost			$	—					$	—					$	—					$	522					$	567					$	554
Interest cost			1,127						1,053						1,291						514						492						650
Expected return on assets			(1,973)						(2,028)						(2,065)						(12)						(19)						(17)
Amortization of prior service credit			—						—						—						(79)						(79)						(79)
Recognized net actuarial loss			856						971						862						351						135						306
Net periodic benefit cost (credit)			10						(4)						88						1,296						1,096						1,414
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive loss:
Net (gain) loss			1,155						(162)						794						(4,833)						(2,763)						(181)
Amortization of actuarial loss			(856)						(1,108)						(985)						(351)						(135)						(306)
Amortization of prior service credit			—						—						—						79						90						90
Total recognized in accumulated other comprehensive loss			299						(1,270)						(191)						(5,105)						(2,808)						(397)
Total recognized in net periodic benefit cost (credit) and accumulated other comprehensive loss			$	309					$	(1,274)					$	(103)					$	(3,809)					$	(1,712)					$	1,017

The components of net periodic benefit cost are included in other income on the Consolidated Statements of Operations. These components related to the Company’s participation in the nonqualified defined benefit plans for the years ended December 31, were as follows:

			2022						2021						2020
			(In thousands)
Components of net periodic benefit cost:
Interest cost			$	460					$	407					$	556
Recognized net actuarial loss			39						223						160
Net periodic benefit cost			$	499					$	630					$	716

Components of net periodic benefit cost for the Company's pension benefit plans were as follows:

			Three Months Ended												Six Months Ended
			June 30,												June 30,
			2023						2022						2022						2021
			(In thousands)
Components of net periodic benefit cost:
Interest cost			$	408					$	282					$	816					$	564
Expected return on assets			(450)						(493)						(900)						(986)
Amortization of net actuarial loss			128						214						256						428
Net periodic benefit cost			$	86					$	3					$	172					$	6

Components of net periodic benefit cost for the Company's other postretirement benefit plans were as follows:

			Three Months Ended												Six Months Ended
			June 30,												June 30,
			2023						2022						2023						2022
			(In thousands)
Components of net periodic benefit cost:
Service cost			$	90					$	131					$	179					$	262
Interest cost			180						128						361						256
Expected return on assets			5						(3)						12						(6)
Amortization of prior service credit			(20)						(20)						(40)						(40)
Amortization of net actuarial (gain) loss			(44)						88						(89)						176
Net periodic benefit cost			$	211					$	324					$	423					$	648

Schedule of weighted average assumptions

Weighted average assumptions used at December 31, were as follows:

			2022						2021
Benefit obligation discount rate			4.97		%				2.38		%
Benefit obligation rate of compensation increase			N/A						N/A
Net periodic benefit cost discount rate			2.38		%				1.95		%
Net periodic benefit cost rate of compensation increase			N/A						N/A

Schedule of amounts recognized in other comprehensive income (loss)

These components related to the Company’s pension and other postretirement benefit plans for the years ended December 31, were as follows:

			Pension Benefits																		Other Postretirement Benefits
			2022						2021						2020						2022						2021						2020
			(In thousands)
Components of net periodic benefit cost (credit):
Service cost			$	—					$	—					$	—					$	522					$	567					$	554
Interest cost			1,127						1,053						1,291						514						492						650
Expected return on assets			(1,973)						(2,028)						(2,065)						(12)						(19)						(17)
Amortization of prior service credit			—						—						—						(79)						(79)						(79)
Recognized net actuarial loss			856						971						862						351						135						306
Net periodic benefit cost (credit)			10						(4)						88						1,296						1,096						1,414
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive loss:
Net (gain) loss			1,155						(162)						794						(4,833)						(2,763)						(181)
Amortization of actuarial loss			(856)						(1,108)						(985)						(351)						(135)						(306)
Amortization of prior service credit			—						—						—						79						90						90
Total recognized in accumulated other comprehensive loss			299						(1,270)						(191)						(5,105)						(2,808)						(397)
Total recognized in net periodic benefit cost (credit) and accumulated other comprehensive loss			$	309					$	(1,274)					$	(103)					$	(3,809)					$	(1,712)					$	1,017

Schedule of weighted average assumptions

Weighted average assumptions used to determine benefit obligations at December 31, were as follows:

			Pension Benefits												Other Postretirement Benefits
			2022						2021						2022						2021
Discount rate			5.06		%				2.62		%				5.07		%				2.69		%
Expected return on plan assets			6.50		%				6.00		%				6.00		%				5.50		%
Rate of compensation increase			N/A						N/A						3.00		%				3.00		%

Weighted average assumptions used to determine net periodic benefit cost (credit) for the years ended December 31, were as follows:

			Pension Benefits												Other Postretirement Benefits
			2022						2021						2022						2021
Discount rate			2.62		%				2.29		%				2.69		%				2.38		%
Expected return on plan assets			6.00		%				6.00		%				5.50		%				5.50		%
Rate of compensation increase			N/A						N/A						3.00		%				3.00		%

Schedule of health care rate assumptions

Health care rate assumptions for the Company’s other postretirement benefit plans as of December 31, were as follows:

			2022						2021
Health care trend rate assumed for next year			7.5		%				7.0		%
Health care cost trend rate – ultimate			4.5		%				4.5		%
Year in which ultimate trend rate achieved			2033						2031

Schedule of expected benefit payments

The following benefit payments, which reflect future service, as appropriate, and expected Medicare Part D subsidies at December 31, 2022, are as follows:

Years						Pension Benefits						Other Postretirement Benefits						Expected Medicare Part D Subsidy
						(In thousands)
2023						$	2,876					$	738					$	8
2024						2,782						902						7
2025						2,759						1,023						6
2026						2,725						1,169						5
2027						2,667						1,240						5
2028-2032						12,410						1,685						16

The amount of future benefit payments for the unfunded, nonqualified defined benefit plans at December 31, 2022 are expected to aggregate as follows:

			2023						2024						2025						2026						2027						2028-2032
			(In thousands)
Nonqualified benefits			$	1,573					$	1,621					$	1,727					$	1,763					$	1,653					$	6,343

Schedule of allocation of plan assets

The fair value of the Company’s pension plans’ assets (excluding cash) by class were as follows:

			Fair Value Measurements at December 31, 2022, Using
			Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Other Observable Inputs (Level 2)						Significant Unobservable Inputs (Level 3)						Balance at December 31, 2022
			(In thousands)
Assets:
Cash equivalents			$	—					$	859					$	—					$	859
Equity securities:
U.S. companies			777						—						—						777
International companies			—						49						—						49
Collective and mutual funds(a)			12,729						3,508						—						16,237
Corporate bonds			—						8,554						—						8,554
Municipal bonds			—						621						—						621
U.S. Government securities			320						92						—						412
Pooled separate accounts(b)			—						337						—						337
Investments measured at net asset value(c)			—						—						—						585
Total assets measured at fair value			$	13,826					$	14,020					$	—					$	28,431

__________________

(a)Collective and mutual funds invest approximately 29 percent in corporate bonds, 24 percent in common stock of large-cap U.S. companies, 16 percent in common stock of international companies, 7 percent in cash and cash equivalents, 7 percent in U.S. Government securities and 17 percent in other investments.

(b)Pooled separate accounts are invested 100 percent in cash and cash equivalents.

(c)In accordance with ASC 820 - Fair Value, Measurements certain investments that were measured at net asset value per share (or its equivalent) have not been classified in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the line items presented in the Consolidated Balance Sheets.

			Fair Value Measurements at December 31, 2021, Using
			Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Other Observable Inputs (Level 2)						Significant Unobservable Inputs (Level 3)						Balance at December 31, 2021
			(In thousands)
Assets:
Cash equivalents			$	—					$	489					$	—					$	489
Equity securities:
U.S. companies			789						—						—						789
International companies			—						135						—						135
Collective and mutual funds(a)			17,620						4,364						—						21,984
Corporate bonds			—						13,199						—						13,199
Municipal bonds			—						791						—						791
U.S. Government securities			750						201						—						951
Pooled separate accounts(b)			—						326						—						326
Investments measured at net asset value(c)			—						—						—						681
Total assets measured at fair value			$	19,159					$	19,505					$	—					$	39,345

__________________

(a)Collective and mutual funds invest approximately 37 percent in corporate bonds, 19 percent in common stock of international companies, 16 percent in common stock of large-cap U.S. companies, 9 percent in U.S. Government securities and 19 percent in other investments.

(b)Pooled separate accounts are invested 100 percent in cash and cash equivalents.

(c)In accordance with ASC 820 - Fair Value, Measurements certain investments that were measured at net asset value per share (or its equivalent) have not been classified in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the line items presented in the Consolidated Balance Sheets.

The fair value of the Company’s other postretirement benefit plans’ assets (excluding cash) by asset class were as follows:

			Fair Value Measurements at December 31, 2022, Using
			Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Other Observable Inputs (Level 2)						Significant Unobservable Inputs (Level 3)						Balance at December 31, 2022
			(In thousands)
Assets:
Cash equivalents			$	—					$	(17)					$	—					$	(17)
Equity securities:
U.S. companies			(11)						—						—						(11)
Insurance contract(a)			—						(286)						—						(286)
Total assets measured at fair value			$	(11)					$	(303)					$	—					$	(314)

__________________

(a)The insurance contract invests approximately 69 percent in corporate bonds, 14 percent in common stock of large-cap U.S. companies, 13 percent in U.S. Government securities and 4 percent in common stock of small-cap U.S. companies

			Fair Value Measurements at December 31, 2021, Using
			Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Other Observable Inputs (Level 2)						Significant Unobservable Inputs (Level 3)						Balance at December 31, 2021
			(In thousands)
Assets:
Cash equivalents			$	—					$	14					$	—					$	14
Equity securities:
U.S. companies			7						—						—						7
Insurance contract(a)			—						293						—						293
Total assets measured at fair value			$	7					$	307					$	—					$	314

__________________

(a)The insurance contract invests approximately 58 percent in corporate bonds, 13 percent in U.S. Government securities, 13 percent in common stock of large-cap U.S. companies, 5 percent in common stock of small-cap U.S. companies and 11 percent in other investments.

Schedule of accumulated and projected benefit obligations

The projected benefit obligation and accumulated benefit obligation for the Company’s participants in these plans at December 31, were as follows:

			2022						2021
			(In thousands)
Projected benefit obligation			$	16,047					$	20,086
Accumulated benefit obligation			$	16,047					$	20,086

Schedule of investments to satisfy obligations

The amount of investments that the Company anticipates using to satisfy obligations under these plans at December 31, was as follows:

			2022						2021
			(In thousands)
Investments
Insurance contract*			$	20,083					$	21,629
Life insurance**			7,234						7,567
Other			2,448						3,044
Total investments			$	29,765					$	32,240

__________________

*For more information on the insurance contract, see Note 9.

**Investments of life insurance are carried on plan participants (payable upon the employee’s death).

Schedule of multiemployer plan information

The Company’s participation in these plans is outlined in the following table. Unless otherwise noted, the most recent Pension Protection Act zone status available in 2022, 2021 and 2020 is for the plan’s year-end at December 31, 2021, December 31, 2020, and December 31, 2019, respectively. The zone status is based on information that the Company received from the plan and is certified by the plan’s actuary. Among other factors, plans in the red zone are generally less than 65 percent funded, plans in the yellow zone are between 65 percent and 80 percent funded, and plans in the green zone are at least 80 percent funded.

Pension Fund						EIN/Pension Plan Number						Pension Protection Act Zone Status												FIP/RP Status Pending/ Implemented						Contributions																		Surcharge Imposed						Expiration Date of Collective Bargaining Agreement
												2022						2021												2022						2021						2020
																														(In thousands)
Pension Trust Fund for Operating Engineers						946090764-001						Yellow						Yellow						Implemented						$	2,484					$	2,495					$	2,680					No						3/31/2023-6/15/2026
Western Conference of Teamsters Pension Plan						916145047-001						Green						Green						No						3,127						3,006						3,025						No						12/31/2023-12/31/2025
Other funds																														—						6,969						7,065
Total contributions																														$	5,611					$	12,470					$	12,770

The Company was listed in the plans’ Forms 5500 as providing more than 5 percent of the total contributions for the following plans and plan years:

Pension Fund						Year Contributions to Plan Exceeded More Than 5 Percent of Total Contributions (as of December 31, of the Plan’s Year-End)
Minnesota Teamsters Construction Division Pension Fund						2021 and 2020
Southwest Marine Pension Trust						2021 and 2020

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