GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Goodwill [Roll Forward]
Goodwill, Beginning Balance		$ 209,333	$ 212,023
Foreign currency impact		1,204	(2,690)
Goodwill, Ending Balance	$ 209,333	210,537	209,333	$ 212,023
Intangible asset impairment		0	9,000	0
Amortization of intangible assets		3,700	3,700	3,700
2024		3,717
2025		3,717
2026		3,717
2027		3,566
2028		3,354
Finite-life tradenames
Goodwill [Roll Forward]
Finite intangible assets, Gross amount	3,911	3,911	3,911
Accumulated amortization	1,751	1,958	1,751
Net amount	2,160	$ 1,953	2,160
Finite-life tradenames | Minimum
Goodwill [Roll Forward]
Weighted-average useful life		5 years
Finite-life tradenames | Maximum
Goodwill [Roll Forward]
Weighted-average useful life		20 years
Total tradenames, net
Goodwill [Roll Forward]
Finite intangible assets, Gross amount	300,144	$ 300,144	300,144
Accumulated amortization	1,751	1,958	1,751
Net amount	298,393	$ 298,186	298,393
Skip Hop customer relationships
Goodwill [Roll Forward]
Weighted-average useful life		15 years
Finite intangible assets, Gross amount	47,300	$ 47,300	47,300
Accumulated amortization	18,187	21,363	18,187
Net amount	29,113	$ 25,937	29,113
Carter’s Mexico customer relationships
Goodwill [Roll Forward]
Weighted-average useful life		10 years
Finite intangible assets, Gross amount	3,125	$ 3,324	3,125
Accumulated amortization	1,674	2,023	1,674
Net amount	1,451	1,301	1,451
Total customer relationships, net
Goodwill [Roll Forward]
Finite intangible assets, Gross amount	50,425	50,624	50,425
Accumulated amortization	19,861	23,386	19,861
Net amount	30,564	27,238	30,564
Carter’s tradename
Goodwill [Roll Forward]
Indefinite intangible assets	220,233	220,233	220,233
OshKosh tradename
Goodwill [Roll Forward]
Indefinite intangible assets	70,000	70,000	70,000
Skip Hop tradename
Goodwill [Roll Forward]
Indefinite intangible assets	6,000	6,000	6,000
Intangible asset impairment	9,000
Indefinite intangible assets	6,000		6,000
U.S. Retail
Goodwill [Roll Forward]
Goodwill, Beginning Balance		83,934	83,934
Foreign currency impact		0	0
Goodwill, Ending Balance	83,934	83,934	83,934	83,934
U.S. Retail | Skip Hop tradename
Goodwill [Roll Forward]
Intangible asset impairment	400
U.S. Wholesale
Goodwill [Roll Forward]
Goodwill, Beginning Balance		74,454	74,454
Foreign currency impact		0	0
Goodwill, Ending Balance	74,454	74,454	74,454	74,454
U.S. Wholesale | Skip Hop tradename
Goodwill [Roll Forward]
Intangible asset impairment	5,600
International
Goodwill [Roll Forward]
Goodwill, Beginning Balance		50,945	53,635
Foreign currency impact		1,204	(2,690)
Goodwill, Ending Balance	50,945	52,149	50,945	53,635
Goodwill, Impaired, Accumulated Impairment Loss	17,700	$ 17,700	$ 17,700	$ 17,700
International | Skip Hop tradename
Goodwill [Roll Forward]
Intangible asset impairment	$ 3,000