COMMITMENTS AND CONTINGENCIES - Additional Information (Detail) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2015 tender	Jul. 01, 2016 USD ($)	Jul. 03, 2015 USD ($)	Jul. 01, 2016 USD ($)	Jul. 03, 2015 USD ($)	Oct. 02, 2015 USD ($)
Commitments And Contingencies [Line Items]
Percentage of partner responsibility				33.33%
Environmental cleanup costs, third-party claim costs, project management costs and legal costs		$ 0.3	$ 0.2	$ 0.7	$ 1.0
Receivables of past and future environmental-related expenditures		2.1		2.1		$ 2.1
Restructuring charges					$ 13.4
Oncology Systems And Imaging Components
Commitments And Contingencies [Line Items]
Restructuring charges		0.8		5.6
Payments for Restructuring				3.5
Cercla sites and one past facility
Commitments And Contingencies [Line Items]
Estimated environmental remediation costs, minimum		1.3		1.3
Estimated environmental remediation costs, maximum		9.9		9.9
Amount accrued for environmental remediation expense		1.3		$ 1.3
Cercla sites and one past facility | Minimum
Commitments And Contingencies [Line Items]
Estimated time frames to resolve contingency related to environmental remediation contingencies, years				1 year
Cercla sites and one past facility | Maximum
Commitments And Contingencies [Line Items]
Estimated time frames to resolve contingency related to environmental remediation contingencies, years				30 years
Other sites
Commitments And Contingencies [Line Items]
Estimated environmental remediation costs, minimum		5.6		$ 5.6
Estimated environmental remediation costs, maximum		25.8		25.8
Amount accrued for environmental remediation expense		$ 7.1		7.1
Estimated environmental remediation costs, best estimate, undiscounted				$ 8.4
Discount rate for environmental remediation costs, net of inflation (as a percent)		4.00%		4.00%
Other sites | Minimum
Commitments And Contingencies [Line Items]
Estimated time frames to resolve contingency related to environmental remediation contingencies, years				1 year
Other sites | Maximum
Commitments And Contingencies [Line Items]
Estimated time frames to resolve contingency related to environmental remediation contingencies, years				30 years
Portugal Investigation
Commitments And Contingencies [Line Items]
Number of tenders | tender	3