EMPLOYEE BENEFIT PLANS - (Tables)

12 Months Ended

Dec. 31, 2020

Retirement Benefits [Abstract]

Schedule of Net Funded Status [Table Text Block]

The following table presents the changes in benefit obligations, plan assets and funded status for the defined benefit plans:

	Domestic Plans						Foreign Plans						Total
(In thousands)	2020			2019			2020			2019(2)			2020			2019(2)
Change in Projected Benefit Obligation
Beginning balance	$	—		$	—		$	134,852		$	105,515		$	134,852		$	105,515
Impact of acquisition(1)	317,893			—			301,206			—			619,099			—
Service cost	1,763			—			9,029			4,602			10,792			4,602
Interest cost	4,787			—			7,162			4,362			11,949			4,362
Participant contributions	—			—			728			736			728			736
Actuarial loss, including assumption changes	12,911			—			14,044			18,591			26,955			18,591
Benefits paid from plan assets	(4,222)			—			(9,008)			(4,459)			(13,230)			(4,459)
Benefits paid from Company assets	(547)			—			(448)			—			(995)			—
Curtailment	(101)			—			—			—			(101)			—
Plan amendment	—			—			(37)			—			(37)			—
Settlement	—			—			(1,235)			—			(1,235)			—
Foreign currency exchange rate changes	—			—			30,562			5,505			30,562			5,505
Ending balance	$	332,484		$	—		$	486,855		$	134,852		$	819,339		$	134,852
Change in Plan Assets at Fair Value
Beginning balance	$	—		$	—		$	103,385		$	86,556		$	103,385		$	86,556
Impact of acquisition(1)	324,292			—			218,644			—			542,936			—
Actual return on plan assets	35,217			—			23,947			12,763			59,164			12,763
Participant contributions	—			—			728			736			728			736
Employer contributions	—			—			6,838			3,198			6,838			3,198
Benefits paid	(4,222)			—			(9,008)			(4,459)			(13,230)			(4,459)
Settlement	—			—			(1,235)			—			(1,235)			—
Foreign currency exchange rate changes	—			—			22,419			4,591			22,419			4,591
Ending balance	$	355,287		$	—		$	365,718		$	103,385		$	721,005		$	103,385
Funded Status	$	22,803		$	—		$	(121,137)		$	(31,467)		$	(98,334)		$	(31,467)
Amounts Recognized in the Consolidated Balance Sheets
Other assets	$	40,921		$	—		$	179		$	—		$	41,100		$	—
Other current liabilities	(18,118)			—			(471)			(383)			(18,589)			(383)
Other noncurrent liabilities	—			—			(120,845)			(31,084)			(120,845)			(31,084)
Net amount recognized	$	22,803		$	—		$	(121,137)		$	(31,467)		$	(98,334)		$	(31,467)
Weighted Average Assumptions Used to Determine Benefit Obligations
Discount rate	2.6		%	—		%	2.0		%	3.2		%	2.2		%	3.2		%
Rate of compensation increase	3.8		%	—		%	3.2		%	3.5		%	3.4		%	3.5		%

(1)     As described above, the Company assumed the Domestic Plans and certain foreign plans in connection with the June 22, 2020 acquisition of Anixter.

(2)     For 2019, the changes in benefit obligations, plan assets and funded status relate to the EECOL Plan and the EECOL SERP.

Schedule of Net Benefit Costs [Table Text Block]

The following table presents the components of net periodic pension (benefit) cost:

	Domestic Plans(1)						Foreign Plans(1)						Total
(In thousands)	2020		2019		2018		2020		2019		2018		2020		2019		2018
Components of Net Periodic Pension (Benefit) Cost
Service cost	$	1,763	$	—	$	—	$	9,029	$	4,602	$	5,242	$	10,792	$	4,602	$	5,242
Interest cost	4,787		—		—		7,162		4,362		4,137		11,949		4,362		4,137
Expected return on plan assets	(8,395)		—		—		(11,659)		(5,695)		(5,969)		(20,054)		(5,695)		(5,969)
Recognized actuarial gain	—		—		—		—		(63)		(46)		—		(63)		(46)
Settlement	—		—		—		(144)		—		—		(144)		—		—
Net periodic pension (benefit) cost	$	(1,845)	$	—	$	—	$	4,388	$	3,206	$	3,364	$	2,543	$	3,206	$	3,364

(1)     As described above, the Company assumed the Domestic Plans and certain foreign plans in connection with the June 22, 2020 acquisition of Anixter. The Company began recognizing the associated net periodic pension (benefit) cost as of the acquisition date.

Defined Benefit Plan, Assumptions [Table Text Block]

The following weighted-average actuarial assumptions were used to determine net periodic pension (benefit) cost:

	Domestic Plans(1)						Foreign Plans(1)						Total
	2020		2019		2018		2020		2019		2018		2020		2019		2018
Discount rate	2.9	%	—	%	—	%	2.2	%	4.0	%	3.5	%	2.5	%	4.0	%	3.5	%
Expected return on plan assets	5.5	%	—	%	—	%	5.2	%	6.4	%	6.4	%	5.3	%	6.4	%	6.4	%
Rate of compensation increase	3.8	%	—	%	—	%	3.4	%	3.8	%	3.8	%	3.5	%	3.8	%	3.8	%

(1)     As described above, the Company assumed the Domestic Plans and certain foreign plans in connection with the June 22, 2020 acquisition of Anixter. The Company began using the related assumptions as of the acquisition date.

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss)

The following table sets forth the changes and the end of year components of accumulated other comprehensive (income) loss for the defined benefit plans:

	Year Ended December 31,
(In thousands)	2020		2019
Changes to Balance:
Beginning balance, before tax effect	$	8,890	$	(2,696)
Prior service credit arising in current year	(37)		—
Net actuarial (gain) loss arising in current year	(12,154)		11,586
Curtailment	(101)		—
Settlement	144		—
Foreign currency exchange rate changes	196		—
Ending balance, before tax effect	$	(3,062)	$	8,890
	As of December 31,
(In thousands)	2020		2019
Components of Balance:
Prior service credit	$	(37)	$	—
Net actuarial (gain) loss	(3,025)		8,890
Ending balance, before tax effect	(3,062)		8,890
Tax effect	562		(2,329)
Ending balance, after tax effect	$	(2,500)	$	6,561

Schedule of Expected Benefit Payments [Table Text Block]

The following benefit payments, which reflect expected future service, are expected to be paid as follows:

(In thousands)	Domestic Plans		Foreign Plans		Total
2021	$	28,527	$	9,873	$	38,400
2022	11,165		9,978		21,143
2023	12,065		10,613		22,678
2024	13,046		11,145		24,191
2025	13,807		11,988		25,795
2026 to 2030	78,122		83,178		161,300

Defined Benefit Plan, Plan Assets, Allocation [Table Text Block]

The Domestic Plans' and Foreign Plans' asset mixes and the asset allocation guidelines for such plans are summarized as follows:

	Domestic Plans
			Allocation Guidelines
	December 31, 2020		Min		Target		Max
Equities	38.6	%	30	%	37	%	45	%
Debt securities:
Domestic treasuries	22.2		—		24		40
Corporate bonds	6.7		—		8		40
Other	15.6		9		14		19
Total debt securities	44.5				46
Property/real estate	14.8		9		16		23
Other	2.1		—		1		5
	100.0	%			100	%

	Foreign Plans
			Allocation Guidelines
	December 31, 2020		Min		Target		Max
Equities	38.1	%	25	%	41	%	48	%
Debt securities:
Corporate bonds	5.9		1		1		37
Other	40.6		26		44		65
Total debt securities	46.5				45
Property/real estate	4.8		2		6		8
Insurance products	5.4		5		5		5
Other	5.2		3		3		12
	100.0	%			100	%

	Foreign Plans
			Allocation Guidelines
	December 31, 2019		Target
Equities:
Canadian equities	12.5	%	12.5	%
U.S. equities	5.0		5.0
Non-North American equities	22.5		22.5
Total equities	40.0		40.0
Fixed income investments	44.8		45.0
Other	15.2		15.0
	100.0	%	100.0	%

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The following tables set forth the fair value of the Domestic and Foreign Plans' assets by asset category:

	December 31, 2020
(In thousands)	Level 1		Level 2		Level 3		NAV (1)		Total
Domestic Plans
Equities	$	—	$	—	$	—	$	137,098	$	137,098
Debt securities:
Domestic treasuries	—		—		—		78,808		78,808
Corporate bonds	—		—		—		23,824		23,824
Other	—		—		—		55,547		55,547
Property/real estate	—		—		—		52,708		52,708
Insurance products	—		—		—		—		—
Other	7,302		—		—		—		7,302
Total investments in Domestic Plans	$	7,302	$	—	$	—	$	347,985	$	355,287
Foreign Plans
Equities	$	—	$	—	$	—	$	139,537	$	139,537
Debt securities:
Domestic treasuries	—		—		—		—		—
Corporate bonds	—		—		—		21,677		21,677
Other	—		—		—		148,469		148,469
Property/real estate	—		—		—		17,365		17,365
Insurance products	—		19,611		—		—		19,611
Other	747		—		—		18,312		19,059
Total investments in Foreign Plans	$	747	$	19,611	$	—	$	345,360	$	365,718
Total
Equities	$	—	$	—	$	—	$	276,635	$	276,635
Debt securities:
Domestic treasuries	—		—		—		78,808		78,808
Corporate bonds	—		—		—		45,501		45,501
Other	—		—		—		204,016		204,016
Property/real estate	—		—		—		70,073		70,073
Insurance products	—		19,611		—		—		19,611
Other	8,049		—		—		18,312		26,361
Total investments	$	8,049	$	19,611	$	—	$	693,345	$	721,005

(1)     Investments measured at fair value using the NAV per share practical expedient have not been classified in the fair value hierarchy. The amounts presented in the table are intended to reconcile the fair value hierarchy to the total fair value of plan assets.

	December 31, 2019
(In thousands)	Level 1		Level 2		Level 3		NAV (1)		Total
Foreign Plans
Equities:
Canadian equities	$	—	$	—	$	—	$	12,973	$	12,973
U.S. equities	—		—		—		5,160		5,160
Non-North American equities	—		—		—		23,239		23,239
Fixed income investments	—		—		—		46,309		46,309
Other	224		—		—		15,480		15,704
Total investments	$	224	$	—	$	—	$	103,161	$	103,385

(1)     Investments measured at fair value using the NAV per share practical expedient have not been classified in the fair value hierarchy. The amounts presented in the table are intended to reconcile the fair value hierarchy to the total fair value of plan assets.