BUSINESS SEGMENT, GEOGRAPHIC AND CUSTOMER INFORMATION - Revenue and Gross Profit by Segment (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Jun. 29, 2024 USD ($)	Jul. 01, 2023 USD ($)	Jun. 29, 2024 USD ($)	Jul. 01, 2023 USD ($)
Segment Reporting Information [Line Items]
Net sales		$ 1,841,430	$ 2,207,118	$ 5,550,823	$ 6,883,029
Gross profit		153,539	183,208	$ 469,136	569,783
Number of Reportable Segments				1
Operating Segments
Segment Reporting Information [Line Items]
Gross profit		157,050	189,095	$ 485,065	584,419
Operating Segments | IMS
Segment Reporting Information [Line Items]
Net sales		1,477,499	1,821,819	4,444,209	5,689,432
Gross profit		112,364	152,059	338,114	429,855
Operating Segments | CPS
Segment Reporting Information [Line Items]
Net sales		388,220	419,156	1,180,558	1,308,326
Gross profit		44,686	37,036	146,951	154,564
Intersegment revenue
Segment Reporting Information [Line Items]
Net sales		(24,289)	(33,857)	(73,944)	(114,729)
Unallocated items
Segment Reporting Information [Line Items]
Gross profit	[1]	$ (3,511)	$ (5,887)	$ (15,929)	$ (14,636)

[1] For purposes of evaluating segment performance, management excludes certain items from its measures of gross profit. These items consist of stock-based compensation expense, litigation settlements, charges or credits resulting from distressed customers and amortization of intangible assets.