REVENUE RECOGNITION - Disaggregated Revenue (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
Disaggregation of Revenue [Line Items]
Net Sales	$ 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
Domestic
Disaggregation of Revenue [Line Items]
Net Sales													10,848,213	10,375,131
Export
Disaggregation of Revenue [Line Items]
Net Sales													561,006	562,653
U.S.
Disaggregation of Revenue [Line Items]
Net Sales													7,636,716	7,425,661	7,443,222
U.S. | Domestic
Disaggregation of Revenue [Line Items]
Net Sales													7,353,925	7,166,929
U.S. | Export
Disaggregation of Revenue [Line Items]
Net Sales													282,791	258,732
U.K. and Europe
Disaggregation of Revenue [Line Items]
Net Sales													2,383,793	2,148,666	1,996,319
U.K. and Europe | Domestic
Disaggregation of Revenue [Line Items]
Net Sales													2,105,578	1,844,745
U.K. and Europe | Export
Disaggregation of Revenue [Line Items]
Net Sales													278,215	303,921
Mexico
Disaggregation of Revenue [Line Items]
Net Sales													1,388,710	1,363,457	$ 1,328,322
Mexico | Domestic
Disaggregation of Revenue [Line Items]
Net Sales													1,388,710	1,363,457
Mexico | Export
Disaggregation of Revenue [Line Items]
Net Sales													$ 0	$ 0