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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Oct. 01, 2021
Accounting Policies [Abstract]  
Restrictions on Cash and Cash Equivalents Cash and cash equivalents and restricted cash as reported within
the consolidated statements of cash flows consisted of the following:
Twelve Months Ended October 1, 2021Twelve Months Ended October 2, 2020
(In millions)Beginning of PeriodEnd of PeriodBeginning of PeriodEnd of Period
Cash and cash equivalents$100.6 $144.6 $29.9 $100.6 
Restricted cash1.5 1.5 1.4 1.5 
Cash and cash equivalents and restricted cash as reported per statement of cash flows$102.1 $146.1 $31.3 $102.1 
Schedules of Concentration of Risk, by Risk Factor Credit is extended to customers based on an evaluation of the customer’s financial condition, and collateral is not required. In certain circumstances, a customer may be required to prepay all or a portion of the contract price prior to transfer of control. During the periods presented, one of the Company's customers accounted for a significant portion of revenues, which is as follows:
Fiscal Year
202120202019
Canon Medical Systems Corporation
17.9 %20.5 %17.3 %
Schedule of Inventory, Net The following table summarizes the Company’s inventories, net:
(In millions)October 1, 2021October 2, 2020
Raw materials and parts
$168.0 $184.6 
Work-in-process
20.4 23.9 
Finished goods
36.4 63.4 
Total inventories
$224.8 $271.9 
Property, Plant and Equipment The following table summarizes the Company’s property, plant and equipment, net:
(In millions)October 1, 2021October 2, 2020
Land
$8.3 $8.3 
Buildings and leasehold improvements
148.7 137.2 
Machinery and equipment179.7 175.5 
Construction in progress
18.1 35.4 
354.8 356.4 
Accumulated depreciation and amortization
(214.6)(211.2)
Property, plant, and equipment, net
$140.2 $145.2 
Schedule of Product Warranty Liability The following table reflects the changes in the Company’s accrued product warranty:
Fiscal Years
(In millions)20212020
Accrued product warranty, at beginning of period$8.1 $8.1 
Charged to cost of revenues13.0 15.1 
Actual product warranty expenditures(12.6)(15.1)
Accrued product warranty, at end of period$8.5 $8.1