REPORTABLE SEGMENTS (Schedule of Net Sales, Operating Income, Capital Expenditures, Depreciation and Amortization and Long-lived Assets) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Sep. 24, 2017	Jun. 25, 2017	Mar. 26, 2017	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Net sales to customers by customer location:
Total	$ 3,063,489	$ 2,777,970	$ 2,843,085	$ 2,724,675	$ 2,656,789	$ 2,697,604	$ 2,836,713	$ 2,746,678	$ 2,742,352	$ 2,793,885	$ 2,752,286	$ 2,479,340	$ 11,409,219	$ 10,937,784	$ 10,767,863
Operating income
Total operating income													690,568	495,686	1,072,322
Interest expense, net of capitalized interest													132,630	162,812	107,183
Interest income													(14,277)	(13,811)	(7,730)
Foreign currency transaction loss (gain)													6,917	17,160	(2,659)
Gain on bargain purchase													(56,880)	0	0
Miscellaneous, net													4,633	(2,702)	(6,538)
Income before income taxes													617,545	332,227	982,066
Income tax expense													161,009	85,423	263,899
Net income													456,536	246,804	718,167
Depreciation and amortization													287,230	274,088	271,824
Capital expenditures													348,120	348,666	339,872
Assets	7,102,364				5,931,202								7,102,364	5,931,202
Long-lived assets:
Total	2,893,574				2,161,702								2,893,574	2,161,702
U.S.
Net sales to customers by customer location:
Total													7,636,716	7,425,661	7,443,222
Operating income
Capital expenditures													269,609	257,913	258,495
Assets	3,364,171				3,067,248								3,364,171	3,067,248
Long-lived assets:
Total	1,789,530				1,506,217								1,789,530	1,506,217
U.K. and Europe
Net sales to customers by customer location:
Total													2,383,793	2,148,666	1,996,319
Operating income
Capital expenditures													58,795	58,334	52,349
Assets	2,824,382				1,986,938								2,824,382	1,986,938
Long-lived assets:
Total	801,887				359,621								801,887	359,621
Mexico
Net sales to customers by customer location:
Total													1,388,710	1,363,457	1,328,322
Operating income
Capital expenditures													19,716	32,419	29,028
Assets	913,811				877,016								913,811	877,016
Long-lived assets:
Total	$ 302,157				$ 295,864								302,157	295,864
Operating Segments | U.S.
Operating income
Total operating income													487,275	291,381	841,492
Depreciation and amortization													207,584	196,079	195,259
Operating Segments | U.K. and Europe
Operating income
Total operating income													79,182	84,524	77,105
Depreciation and amortization													60,499	50,586	49,562
Operating Segments | Mexico
Operating income
Total operating income													124,015	119,649	153,631
Depreciation and amortization													19,147	27,423	27,003
Elimination
Net sales to customers by customer location:
Total													188,900	100,700	84,300
Operating income
Total operating income													96	132	94
U.S.
Net sales to customers by customer location:
Total													7,355,631	7,173,280	7,452,758
Mexico
Net sales to customers by customer location:
Total													1,437,081	1,411,727	1,019,170
Asia
Net sales to customers by customer location:
Total													175,296	158,864	136,144
U.K. and Europe
Net sales to customers by customer location:
Total													2,363,017	2,134,822	2,000,843
Canada, Caribbean and Central America
Net sales to customers by customer location:
Total													31,808	26,450	114,543
Africa
Net sales to customers by customer location:
Total													28,400	21,286	29,905
South America
Net sales to customers by customer location:
Total													17,384	10,704	13,279
Pacific
Net sales to customers by customer location:
Total													$ 602	$ 651	$ 1,221