CONDENSED CONSOLIDATED STATEMENTS OF INCOME (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jul. 02, 2023	Jun. 30, 2024	Jul. 02, 2023
Income Statement [Abstract]
Net sales	$ 1,623,479	$ 1,705,290	$ 3,261,022	$ 3,435,073
Cost of sales	1,266,125	1,347,972	2,566,115	2,703,327
Gross profit	357,354	357,318	694,907	731,746
Selling, general and administrative expenses	202,210	170,773	395,692	358,749
Restructuring/Asset impairment charges	19,250	6,057	50,868	34,871
Gain on divestiture of business and other assets	4,478	7,371	4,478	79,381
Operating profit	140,372	187,859	252,825	417,507
Other income, net	5,867	0	5,867	0
Non-operating pension costs	4,170	3,342	7,465	7,000
Interest expense	29,640	34,284	60,860	68,516
Interest income	3,555	1,944	7,113	3,506
Income before income taxes	115,984	152,177	197,480	345,497
Provision for income taxes	27,307	40,740	44,667	87,652
Income before equity in earnings of affiliates	88,677	111,437	152,813	257,845
Equity in earnings of affiliates, net of tax	2,274	3,312	3,411	5,168
Net income	90,951	114,749	156,224	263,013
Net income attributable to noncontrolling interests	(140)	(100)	(236)	(45)
Net income attributable to Sonoco	$ 90,811	$ 114,649	$ 155,988	$ 262,968
Weighted average common shares outstanding:
Basic (in shares)	98,671	98,325	98,583	98,246
Diluted (in shares)	99,241	98,872	99,199	98,740
Net income attributable to Sonoco:
Basic (in usd per share)	$ 0.92	$ 1.17	$ 1.58	$ 2.68
Diluted (in usd per share)	$ 0.92	$ 1.16	$ 1.57	$ 2.66