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Employee Benefit Plans - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023	Sep. 08, 2023
Defined Benefit Plan Disclosure [Line Items]
Contributions			$ 14,680	$ 10,311
Expected contributions for remainder of fiscal year	$ 6,050		6,050
RTS Packaging
Defined Benefit Plan Disclosure [Line Items]
Voting interest acquired					65.00%
Interest held in acquiree before subsequent acquisition (percent)					35.00%
Accumulated other comprehensive loss including define pension plan, before tax					$ 4,756
Accumulated other comprehensive loss including define pension plan, after tax					3,543
Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Settlement losses recognized	$ 18	$ 16	529	765
Sonoco Pension Plan for Inactive Participants \| Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Settlement losses recognized			$ 529	765
RTS Packaging Pension Plan \| Retirement Plans \| United States
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, benefit obligation					43,547
Deferred compensation plan assets					$ 33,109
Defined benefit plan, unfunded status obligation		$ 10,438		$ 10,438