STOCKHOLDERS' EQUITY - Schedule of Amounts Reclassified Out of Other Comprehensive Earnings (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Reclassification Adjustment Out Of Accumulated Comprehensive Income [Line Items]
Earnings before taxes	$ 59.9	$ 53.9	$ 224.8	$ 275.4
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment Out Of Accumulated Comprehensive Income [Line Items]
Earnings before taxes	0.3	(0.4)	0.5	(1.1)
Reclassification out of Accumulated Other Comprehensive Income | Unrealized loss on defined benefit pension and post-retirement benefit plans
Reclassification Adjustment Out Of Accumulated Comprehensive Income [Line Items]
Other income, net	(0.8)	(0.4)	(2.5)	(1.1)
Reclassification out of Accumulated Other Comprehensive Income | Unrealized earnings on cash flow hedging instruments
Reclassification Adjustment Out Of Accumulated Comprehensive Income [Line Items]
Revenues	$ 1.1	$ 0.0	$ 3.0	$ 0.0