COMMITMENTS AND CONTINGENCIES - Additional Information (Detail) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2015 tender	Jun. 30, 2017 USD ($)	Jul. 01, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jul. 01, 2016 USD ($)	Sep. 30, 2016 USD ($)
Commitments And Contingencies [Line Items]
Environmental cleanup costs, third-party claim costs, project management costs and legal costs		$ 0.2	$ 0.3	$ 0.5	$ 0.7
Receivables of past and future environmental-related expenditures		2.0		2.0		$ 2.0
Restructuring Charges		3.1	$ 0.8	9.4	$ 3.7
Group A Sites
Commitments And Contingencies [Line Items]
Amount accrued for environmental remediation expense		1.1		1.1
Group A Sites | Minimum
Commitments And Contingencies [Line Items]
Estimate of loss		1.1		$ 1.1
Estimated time frames to resolve contingency related to environmental remediation contingencies, years				1 year
Group A Sites | Maximum
Commitments And Contingencies [Line Items]
Estimate of loss		8.0		$ 8.0
Estimated time frames to resolve contingency related to environmental remediation contingencies, years				30 years
Group B Sites
Commitments And Contingencies [Line Items]
Amount accrued for environmental remediation expense		5.1		$ 5.1
Estimated environmental remediation costs, best estimate, undiscounted		$ 6.0		$ 6.0
Discount rate for environmental remediation costs, net of inflation (as a percent)		4.00%		4.00%
Group B Sites | Minimum
Commitments And Contingencies [Line Items]
Estimate of loss		$ 3.9		$ 3.9
Estimated time frames to resolve contingency related to environmental remediation contingencies, years				1 year
Group B Sites | Maximum
Commitments And Contingencies [Line Items]
Estimate of loss		$ 19.8		$ 19.8
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