Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Retirement Benefits [Abstract]

Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan

Actuarial information regarding these plans is as follows:

	2020
	Retirement Income Plan		National Service-Related Pension Plan		Other Post-Retirement Benefits		Superannuation		Total
Change in benefit obligation:	(In thousands)
Benefit obligation – January 1, 2020	$	(45,215)	$	(35,036)	$	(611)	$	(1,152)	$	(82,014)
Service cost	—		—		—		(66)		(66)
Interest cost	(1,261)		(1,117)		(14)		(28)		(2,420)
Actuarial loss	(3,657)		(3,147)		(27)		(72)		(6,903)
Benefits paid	1,358		1,073		5		23		2,459
Plan participants’ contributions	—		—		—		(19)		(19)
Foreign currency translation loss	—		—		—		(109)		(109)
Effect of settlement	1,266		—		—		—		1,266
Benefit obligation – end of year	(47,509)		(38,227)		(647)		(1,423)		(87,806)
Change in plan assets:
Fair value of plan assets – January 1, 2020	40,111		27,841		—		1,356		69,308
Actual return on plan assets	5,903		4,034		—		44		9,981
Employer contributions	1,640		1,259		5		45		2,949
Benefits paid	(1,358)		(1,073)		(5)		(23)		(2,459)
Effect of settlement	(1,266)		—		—		—		(1,266)
Plan participants’ contributions	—		—		—		19		19
Foreign currency translation gain	—		—		—		129		129
Fair value of plan assets – end of year	45,030		32,061		—		1,570		78,661
Funded status	$	(2,479)	$	(6,166)	$	(647)	$	147	$	(9,145)
Amounts recognized on the consolidated balance sheet as of December 31, 2020:
Pension and post-retirement liability	$	(2,479)	$	(6,166)	$	(647)	$	147	$	(9,145)
Accumulated other comprehensive loss (income)	5,021		4,473		6		86		9,586
Amounts in accumulated other comprehensive loss consist of:
Net loss	$	5,021	$	4,473	$	6	$	86	$	9,586
Prior service cost	$	—	$	—	$	—	$	53	$	53
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss:
Net (gain) loss	$	(244)	$	578	$	(94)	$	102	$	342
Amortization of net gain	(1,017)		(607)		—		—		(1,624)
Amortization of prior service cost	—		—		—		(31)		(31)
Amount recognized due to special event	(134)		—		—		—		(134)
Foreign currency translation loss	—		—		—		14		14
Total recognized in other comprehensive (income) loss	$	(1,395)	$	(29)	$	(94)	$	85	$	(1,433)
Information for plans with accumulated benefit obligation in excess of plan assets:
Projected benefit obligation	$	47,509	$	38,227	$	647	$	1,423	$	87,806
Accumulated benefit obligation	$	47,508	$	38,227	$	647	$	1,297	$	87,679
Fair value of plan assets	$	45,030	$	32,061	$	—	$	1,570	$	78,661

	2019
	Retirement Income Plan		National Service-Related Pension Plan		Other Post-Retirement Benefits		Superannuation		Total
Change in benefit obligation:	(In thousands)
Benefit obligation – January 1, 2019	$	(43,364)	$	(30,627)	$	(678)	$	(1,385)	$	(76,054)
Service cost	—		—		—		(78)		(78)
Interest cost	(1,590)		(1,245)		(23)		(49)		(2,907)
Actuarial loss	(3,251)		(4,167)		(62)		(77)		(7,557)
Benefits paid	2,990		1,003		—		447		4,440
Plan participants’ contributions	—		—		—		(12)		(12)
Foreign currency translation gain	—		—		—		2		2
Effect of settlement	—		—		152		—		152
Benefit obligation – end of year	(45,215)		(35,036)		(611)		(1,152)		(82,014)
Change in plan assets:
Fair value of plan assets – January 1, 2019	34,958		23,277		—		1,502		59,737
Actual return on plan assets	6,804		4,556		—		237		11,597
Employer contributions	1,339		1,011		152		58		2,560
Benefits paid	(2,990)		(1,003)		—		(447)		(4,440)
Effect of settlement	—		—		(152)		—		(152)
Plan participants’ contributions	—		—		—		12		12
Foreign currency translation loss	—		—		—		(6)		(6)
Fair value of plan assets – end of year	40,111		27,841		—		1,356		69,308
Funded status	$	(5,104)	$	(7,195)	$	(611)	$	204	$	(12,706)
Amounts recognized on the consolidated balance sheet as of December 31, 2019:
Pension and post-retirement liability	$	(5,104)	$	(7,195)	$	(611)	$	204	$	(12,706)
Accumulated other comprehensive loss (income)	6,417		4,501		(21)		62		10,959
Amounts in accumulated other comprehensive loss consist of:
Net loss (gain)	$	6,417	$	4,501	$	(21)	$	(15)	$	10,882
Prior service cost	$	—	$	—	$	—	$	77	$	77
Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss):
Net (gain) loss	$	(1,793)	$	788	$	(94)	$	(78)	$	(1,177)
Amortization of net (loss) gain	(1,509)		(564)		4		—		(2,069)
Amortization of prior service cost	—		—		—		(28)		(28)
Amount recognized due to special event	—		—		5		5		10
Foreign currency translation gain	—		—		—		(5)		(5)
Total recognized in other comprehensive loss (income)	$	(3,302)	$	224	$	(85)	$	(106)	$	(3,269)
Information for plans with accumulated benefit obligation in excess of plan assets:
Projected benefit obligation	$	45,215	$	35,036	$	611	$	1,152	$	82,014
Accumulated benefit obligation	$	45,215	$	35,036	$	611	$	1,038	$	81,900
Fair value of plan assets	$	40,111	$	27,841	$	—	$	1,356	$	69,308

Schedule of Net Periodic Benefit Costs

The components of net period benefit cost for the years ended December 31, 2020, 2019 and 2018 are as follows:

	December 31, 2020
	Retirement Income Plan		National Service-Related Pension Plan		Other Post-Retirement Benefits		Superannuation		Total
Components of net periodic benefit cost:	(In thousands)
Service cost	$	—	$	—	$	—	$	59	$	59
Interest cost	1,261		1,117		14		25		2,417
Expected return on plan assets	(2,002)		(1,465)		—		(66)		(3,533)
Amortization of net loss	1,017		607		—		—		1,624
Amortization of prior service cost	—		—		—		27		27
Effect of settlement	134		—		—		—		134
Net pension benefit cost	$	410	$	259	$	14	$	45	$	728

	December 31, 2019
	Retirement Income Plan		National Service-Related Pension Plan		Other Post-Retirement Benefits		Superannuation		Total
Components of net periodic benefit cost:	(In thousands)
Service cost	$	—	$	—	$	—	$	78	$	78
Interest cost	1,590		1,245		23		49		2,907
Expected return on plan assets	(1,760)		(1,176)		—		(74)		(3,010)
Amortization of net loss (gain)	1,509		564		(4)		—		2,069
Amortization of prior service cost	—		—		—		28		28
Effect of settlement	—		—		(5)		(5)		(10)
Net pension benefit cost	$	1,339	$	633	$	14	$	76	$	2,062

	December 31, 2018
	Retirement Income Plan		National Service-Related Pension Plan		Other Post-Retirement Benefits		Superannuation		Total
Components of net periodic benefit cost:	(In thousands)
Service cost	$	31	$	78	$	—	$	137	$	246
Interest cost	1,418		1,199		20		104		$	2,741
Expected return on plan assets	(2,047)		(1,369)		—		(172)		$	(3,588)
Amortization of net loss	1,244		715		—		—		$	1,959
Amortization of prior service cost	—		—		—		30		$	30
Effect of settlement	—		—		—		68		$	68
Net pension benefit cost	$	646	$	623	$	20	$	167	$	1,456

Schedule of Assumptions Used

The weighted average assumptions used to determine benefit obligations and net period benefit costs for the years ended December 31, 2020, 2019 and 2018 are as follows:

	December 31, 2020
	Retirement Income Plan	National Service-Related Pension Plan	Other Post-Retirement Benefits	Superan- nuation
Weighted-average assumptions used to determine obligations (balance sheet):
Discount rate	2.10%	2.49%	1.41%	1.50%
Rate of compensation increase	N/A	N/A	N/A	3.25%
Weighted-average assumptions used to determine net periodic benefit cost (statement of operations):
Discount rate	3.00%	3.25%	2.55%	2.30%
Expected return on plan assets	6.50%	6.50%	N/A	5.00%
Rate of compensation increase	N/A	N/A	N/A	3.25%

	December 31, 2019
	Retirement Income Plan	National Service-Related Pension Plan	Other Post-Retirement Benefits	Superan- nuation
Weighted-average assumptions used to determine obligations (balance sheet):
Discount rate	3.00%	3.25%	2.55%	2.30%
Rate of compensation increase	N/A	N/A	N/A	3.25%
Weighted-average assumptions used to determine net periodic benefit cost (statement of operations):
Discount rate	3.95%	4.15%	3.70%	3.70%
Expected return on plan assets	6.50%	6.50%	N/A	5.00%
Rate of compensation increase	3.50%	N/A	N/A	3.25%

	December 31, 2018
	Retirement Income Plan	National Service-Related Pension Plan	Other Post-Retirement Benefits	Superan- nuation
Weighted-average assumptions used to determine obligations (balance sheet):
Discount rate	3.95%	4.15%	3.70%	3.70%
Rate of compensation increase	3.50%	N/A	N/A	3.25%
Weighted-average assumptions used to determine net periodic benefit cost (statement of operations):
Discount rate	3.35%	3.65%	3.10%	3.70%
Expected return on plan assets	7.00%	7.00%	N/A	6.00%
Rate of compensation increase	3.50%	N/A	N/A	4.00%

Schedule of Allocation of Plan Assets

The allocations of the U.S. Plans’ and the Offshore Plan’s investments by fair value as of December 31, 2020 and 2019 are as follows:

	U.S. Plans			Offshore Plan
	Actual		Target Allocation	Actual		Target Allocation
	2020	2019		2020	2019
U.S. equities	37%	35%	25%–55%	18%	20%	19%
Non-U.S. equities	27%	25%	15%–45%	39%	42%	39%
Fixed-income securities	32%	35%	15%–40%	9%	8%	15%
Real estate	4%	5%	0–5%	10%	8%	8%
Cash and other	—%	—%	—%	24%	22%	19%

The fair values of the Company’s pension plan assets as of December 31, 2020, by category, are as follow:

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2020
Assets	(In thousands)
U.S. equities:
Large cap(1)	$	—	$	20,960	$	—	$	20,960
Medium cap(1)	—		4,024		—		4,024
Small cap(1)	1,365		1,936		—		3,301
Non-U.S. equities:
Large cap(2)	16,183		—		—		16,183
Emerging markets(3)	4,759		—		—		4,759
Fixed-income securities:
Money markets(4)	—		2,163		—		2,163
U.S. bonds(5)	11,067		3,581		—		14,648
Non-U.S. bonds(5)	7,635		—		—		7,635
Real estate(6)	—		3,417		—		3,417
Common/collective trusts	—		1,571		—		1,571
Total assets	$	41,009	$	37,652	$	—	$	78,661

The fair values of the Company’s pension plan assets as of December 31, 2019, by category, are as follows:

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2019
Assets	(In thousands)
U.S. equities:
Large cap(1)	$	—	$	17,698	$	—	$	17,698
Medium cap(1)	—		3,404		—		3,404
Small cap(1)	1,360		1,360		—		2,720
Non-U.S. equities:
Large cap(2)	12,919		—		—		12,919
Emerging markets(3)	4,060		—		—		4,060
Fixed-income securities:
Money markets(4)	—		3,381		—		3,381
U.S. bonds(5)	10,172		3,397		—		13,569
Non-U.S. bonds(5)	6,806		—		—		6,806
Real estate(6)	—		3,395		—		3,395
Common/collective trusts	—		1,356		—		1,356
Total assets	$	35,317	$	33,991	$	—	$	69,308

(1)Includes funds that primarily invest in U.S. common stock.

(2)Includes funds that invest primarily in foreign equity and equity-related securities.

(3)Includes funds that invest primarily in equity securities of companies in emerging market countries.

(4)Includes funds that invest primarily in short-term securities, such as commercial paper.

(5)Includes funds either publicly traded (Level 1) or within a separate account (Level 2) held by a regulated investment company. These funds hold primarily debt and fixed-income securities.

(6)Includes funds in a separate account held by a regulated investment company that invest primarily in commercial real estate and includes mortgage loans which are backed by the associated properties. The Company can call the investment in these assets with no restrictions.

Schedule of Expected Benefit Payments

The following benefit payments, which reflect expected future services, as appropriate, are expected to be paid for all plans as of December 31, 2020:

Years Ending December 31:	(In thousands)
2021	$	6,357
2022	5,688
2023	5,286
2024	5,286
2025	5,028
Thereafter	23,244
	$	50,889

Schedule of Multiemployer Plans

Pension Fund	EIN/Pension Plan Number	Pension Protection Act Zone Status		FIP/RP Status Pending/ Implemented	Americold Contributions						Surcharge Imposed
		2020	2019		2020		2019		2018
					(In thousands)
Central Pension Fund of the International Union of Operating Engineers and Participating Employers (2)	36-6052390	Green	Green	No	$	11	$	6	$	6	No
Central States SE & SW Areas Health and Welfare Pension Plans (1)	36-6044243	Red	Red	Yes/ Implemented	9,132		9,238		8,424		No
New England Teamsters & Trucking Industry Pension Plan (3)	04-6372430	Red	Red	Yes/ Implemented	456		456		456		No
Alternative New England Teamsters & Trucking Industry Pension Plan	04-6372430	Red	Red	No	404		449		493		No
I.U.O.E Stationary Engineers Local 39 Pension Fund (1)	94-6118939	Green	Green	No	119		194		160		No
United Food & Commercial Workers International Union-Industry Pension Fund (4)	51-6055922	Green	Green	No	126		105		90		No
Western Conference of Teamsters Pension Fund (1)	91-6145047	Green	Green	No	7,727		7,398		7,632		No
Minneapolis Food Distributing Industry Pension Plan (1)	41-6047047	Green	Green	Yes/ Implemented	146		116		180		No
				Total Contributions	$	18,121	$	17,962	$	17,441

(1)The status information is for the plans’ year end at December 31, 2020 and 2019.

(2)The status information is for the plans’ year end at January 31, 2020 and 2019.

(3)The status information is for the plans’ year end at September 30, 2020 and 2019. The Company withdrew from the multi-employer plan on October, 31, 2017.

(4)The status information is for the plans’ year end at June 30, 2020 and 2019.