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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Customer Concentration Risk (Details) - Customer Concentration Risk - Canon Medical Systems Corporation	3 Months Ended		12 Months Ended
	Oct. 03, 2025	Jan. 03, 2025	Oct. 03, 2025	Sep. 27, 2024	Sep. 29, 2023
Revenue from Contract with Customer
Concentration Risk
Concentration risk (as a percent)	19.00%		18.00%	17.60%	16.50%
Accounts Receivable
Concentration Risk
Concentration risk (as a percent)		9.50%	14.00%

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