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RELATED-PARTY TRANSACTIONS - Investment in Privately-held Companies (Details) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Oct. 30, 2013	Dec. 29, 2023	Oct. 03, 2025	Sep. 27, 2024	Sep. 29, 2023	Jan. 31, 2024
Related Party Transaction
Income (loss) from equity investments			$ (2,300,000)	$ (1,000,000.0)	$ (1,400,000)
Impairment of equity method investment			0	0	16,400,000
Accounts payable			69,900,000	59,100,000
Prepaid expenses and other current assets			30,700,000	26,900,000
MeVis Breastcare
Related Party Transaction
Business Combination, Bargain Purchase, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration]		Other expense, net
Purchases | Dpi X LLC
Related Party Transaction
Related party transaction, amounts of transaction			$ 19,800,000	18,000,000.0	18,700,000
Equity Method Investee
Related Party Transaction
Percentage of manufacturing capacity	50.00%
dpiX Holding | Equity Method Investee
Related Party Transaction
Ownership interest (as a percent)			40.00%
Income (loss) from equity investments			$ (2,300,000)	(1,000,000.0)	(200,000)
Equity method investments			22,500,000	24,800,000
Accounts payable			$ 1,900,000	3,000,000.0
Percentage of fixed costs			50.00%
dpiX Holding | Equity Method Investee | Fixed Cost Commitments
Related Party Transaction
Related party transaction expected fixed cost			$ 3,400,000			$ 13,700,000
Dpi X LLC | dpiX Holding | Equity Method Investee
Related Party Transaction
Ownership interest (as a percent)			100.00%
VEC Imaging GmbH & Co. KG | Equity Method Investee
Related Party Transaction
Income (loss) from equity investments			$ 0.0	(100,000)	$ (400,000)
Equity method investments			2,000,000.0	2,000,000.0
Prepaid expenses and other current assets			$ 800,000	$ 700,000

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