Business Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2021 USD ($)	Sep. 26, 2020 USD ($)	Oct. 02, 2021 USD ($) numberOfSegments	Sep. 26, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | numberOfSegments			3
Net sales:
Net sales	$ 1,789,551	$ 1,691,863	$ 5,048,891	$ 4,438,016
Segment operating profit:
Total operating profit	234,646	189,087	642,162	439,173
Operating profit
General corporate expenses	(50,226)	(56,357)	(164,734)	(163,923)
Restructuring and other action-related charges	(29,096)	(52,257)	(67,153)	(108,860)
Amortization of intangibles	(7,514)	(7,955)	(22,846)	(22,717)
Other expenses	(1,811)	(4,898)	(6,227)	(15,652)
Interest expense, net	(40,860)	(43,500)	(127,760)	(120,602)
Income from continuing operations before income tax expense	191,975	140,689	508,175	302,919
Innerwear
Net sales:
Net sales	702,617	792,600	2,053,702	2,309,816
Segment operating profit:
Total operating profit	147,651	172,000	461,237	558,075
Activewear
Net sales:
Net sales	462,499	324,921	1,230,691	781,300
Segment operating profit:
Total operating profit	76,172	29,568	177,813	31,925
International
Net sales:
Net sales	536,483	506,203	1,521,667	1,185,718
Segment operating profit:
Total operating profit	86,371	101,029	235,451	156,936
Other
Net sales:
Net sales	87,952	68,139	242,831	161,182
Segment operating profit:
Total operating profit	11,288	3,059	22,394	(12,263)
Total segment operating profit
Segment operating profit:
Total operating profit	$ 321,482	$ 305,656	$ 896,895	$ 734,673