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Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2025

Retirement Benefits [Abstract]

Schedule of Changes in Benefit Obligation

Changes in benefit obligations for the years ended December 31, 2025 and 2024 were:

(in thousands)						2025						2024
Changes in benefit obligation
Benefit obligation at beginning of year						$	1,981,552					$	1,981,783
Service cost						6,271						6,842
Interest cost						91,630						101,289
Plan participants’ contributions						1,407						1,547
Actuarial loss						27,416						51,940
Foreign currency exchange rate changes						12,374						(19,128)
Gross benefits paid						(137,433)						(142,721)
Curtailments						(1,272)						—
Settlement of U.S. pension plan						(1,519,426)						—
Other						(8,800)						—
Benefit obligation at end of year						$	453,719					$	1,981,552

Schedule of Assumptions Used to Measure Pension Benefit Obligations

The assumptions used to measure the pension benefit obligations for the plans at December 31, 2025 and 2024, were:

			2025						2024
Weighted average discount rate			5.20		%				5.15		%
Rate of increase in future compensation levels			2.71		%				2.85		%

Schedule of Changes in Plan Assets

Changes in plan assets for the years ended December 31, 2025 and 2024 were:

(in thousands)						2025						2024
Changes in plan assets
Fair value of plan assets at beginning of year						$	2,223,879					$	2,233,079
Actual return on plan assets						120,978						137,603
Foreign currency exchange rate changes						12,519						(20,733)
Employer contributions						2,375						15,104
Plan participants’ contributions						1,407						1,547
Benefits paid						(122,795)						(142,721)
Settlements of U.S. pension plan						(1,519,426)						—
Other						(442,663)						—
Fair value of plan assets at end of year						$	276,274					$	2,223,879

Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets

For the years ended December 31, 2025 and 2024, the aggregate projected benefit obligation and aggregate fair value of plan assets for plans with projected benefit obligations in excess of plan assets were as follows:

(in thousands)						2025						2024
Aggregate projected benefit obligation						$	228,271					$	229,602
Aggregate fair value of plan assets						$	—					$	—

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets

For the years ended December 31, 2025 and 2024, the aggregate accumulated benefit obligation and aggregate fair value of plan assets for plans with accumulated benefit obligations in excess of plan assets were as follows:

(in thousands)						2025						2024
Aggregate accumulated benefit obligation						$	219,900					$	219,165
Aggregate fair value of plan assets						$	—					$	—

Schedule of Asset Allocations for Funded Pension Plans

The asset allocations for our funded pension plans at December 31, 2025 and 2024, and the target allocation for 2026, by asset category were:

			Target Allocation						Percentage of Plan Assets at December 31
			2026						2025						2024
Asset Category
Equity securities			40		%				48		%				13		%
Debt securities			50		%				52		%				30		%
Other			10		%				—		%				57		%
			100		%				100		%				100		%

Schedule of Fair Value of Plan Assets by Asset Category

						2025
(in thousands)						Total						Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Observable Inputs  (Level 2)						Significant Unobservable Inputs (Level 3)
Equity Securities
Common stocks — mutual funds — equity						$	55,543					$	55,543					$	—					$	—
Other stocks						76,937						76,937						—						—
Debt Securities
Short-term investments						374						374						—						—
Cash and equivalents						18,878						18,878						—						—
Government bonds						52,362						416						51,946						—
Corporate bonds						72,179						—						72,179						—
Total						$	276,274					$	152,149					$	124,126					$	—

						2024
(in thousands)						Total						Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Observable Inputs (Level 2)						Significant Unobservable Inputs (Level 3)
Equity Securities
Common stocks — mutual funds — equity						$	54,256					$	54,256					$	—					$	—
Genuine Parts Company common stock						176,640						176,640						—						—
Other stocks						72,749						72,749						—						—
Debt Securities
Short-term investments						1,422						1,422						—						—
Cash and equivalents						12,365						12,365						—						—
Government bonds						52,381						329						52,052						—
Corporate bonds						66,321						—						66,321						—
Mutual funds-fixed income						201,247						201,247						—						—
Short term collective trust						345,064						—						345,064						—
Other
Options and futures						1,241,434						—						—						1,241,434
Total						$	2,223,879					$	519,008					$	463,437					$	1,241,434

Schedule of Amounts Recognized in Consolidated Balance Sheets

The following table sets forth the funded status of the plans and the amounts recognized in the consolidated balance sheets at December 31:

(in thousands)						2025						2024
Other long-term asset						$	50,827					$	471,929
Other current liability						(16,010)						(14,402)
Pension and other post-retirement liabilities						(219,270)						(218,629)
						$	(184,453)					$	238,898

Schedule of Amounts Recognized In Accumulated Other Comprehensive Loss

Amounts recognized in accumulated other comprehensive loss consist of:

(in thousands)						2025						2024
Net actuarial loss						$	36,776					$	772,785
Prior service cost						2,308						7,919
						$	39,084					$	780,704

Schedule of Expected Cash Flows for Pension Plans

Information about the expected cash flows for the pension plans follows (in thousands):

Employer contribution:
2026 (expected)			$	583
Expected benefit payments:
2026			$	28,756
2027			$	29,418
2028			$	30,253
2029			$	30,903
2030			$	31,557
2031 through 2035			$	160,813

Schedule of Components of Net Periodic Benefit (Income) Cost

Net periodic benefit expense (income) included the following components:

(in thousands)						2025						2024						2023
Service cost						$	6,271					$	6,842					$	5,991
Interest cost						91,630						101,289						104,490
Expected return on plan assets						(116,746)						(177,474)						(164,984)
Amortization of prior service cost						1,140						1,127						692
Amortization of actuarial loss						18,478						14,281						9,361
Net periodic benefit expense (income)						$	773					$	(53,935)					$	(44,450)

Schedule of Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss)

Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss) are as follows:

(in thousands)						2025						2024						2023
Current year actuarial loss						$	18,162					$	101,991					$	23,289
Recognition of actuarial loss						(18,478)						(14,281)						(9,361)
Recognition of prior service cost						(1,140)						(1,127)						(692)
Recognition of curtailment gain						1,270						—						—
Settlement of U.S. pension plan						(741,967)						—						—
Other						—						—						2,464
Total recognized in other comprehensive income loss						$	(742,153)					$	86,583					$	15,700
Total recognized in net periodic benefit expense (income) and other comprehensive loss (income)						$	(741,380)					$	32,648					$	(28,750)

Schedule of Assumptions Used To Measure Net Periodic Benefit (Income) Cost

The assumptions used in measuring the net periodic benefit expense (income) for the plans follow:

			2025						2024						2023
Weighted average discount rate			5.15		%				5.30		%				5.61		%
Rate of increase in future compensation levels			2.85		%				3.18		%				3.16		%
Expected long-term rate of return on plan assets			5.33		%				7.60		%				7.09		%

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