REPORTABLE SEGMENTS - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020
Segment Reporting Information [Line Items]
Net sales	$ 3,637,698	$ 2,824,023	$ 6,911,123	$ 5,898,951
Reportable segment profit (loss)	(123,131)	27,289	35,333	111,675
Interest expense, net of capitalized interest	50,651	32,323	80,985	65,011
Interest income	(842)	(1,158)	(3,208)	(2,848)
Foreign currency transaction loss (gain)	4,145	5,525	6,659	(12,860)
Miscellaneous, net	(770)	(45)	(8,614)	(34,233)
Income (loss) before income taxes	(176,315)	(9,356)	(40,489)	96,605
Income tax expense (benefit)	(9,812)	(2,956)	25,546	35,556
Net income (loss)	(166,503)	(6,400)	(66,035)	61,049
Eliminations
Segment Reporting Information [Line Items]
Net sales	82,800	57,100	150,800	113,700
Reportable segment profit (loss)	14	200	28	224
U.S.
Segment Reporting Information [Line Items]
Net sales	2,248,470	1,798,689	4,248,029	3,725,569
U.S. | Operating Segments
Segment Reporting Information [Line Items]
Reportable segment profit (loss)	(224,171)	39,448	(156,046)	124,500
U.K. and Europe
Segment Reporting Information [Line Items]
Net sales	935,845	757,201	1,790,579	1,579,463
U.K. and Europe | Operating Segments
Segment Reporting Information [Line Items]
Reportable segment profit (loss)	21,831	23,185	32,326	46,375
Mexico
Segment Reporting Information [Line Items]
Net sales	453,383	268,133	872,515	593,919
Mexico | Operating Segments
Segment Reporting Information [Line Items]
Reportable segment profit (loss)	$ 79,195	$ (35,544)	$ 159,025	$ (59,424)