DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Fair Values of Company's Derivative Instruments (Detail) - USD ($) $ in Millions	Jul. 02, 2016	Sep. 30, 2015	Jun. 27, 2015
Derivatives, Fair Value [Line Items]
Total derivatives	$ (9.0)	$ (18.6)	$ (10.4)
Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Total derivatives	(9.5)	(14.7)	(9.4)
Derivatives designated as hedging instruments | Interest Rate Swap | Other Asset [Member]
Derivatives, Fair Value [Line Items]
Derivative asset	0.0	0.0	0.1
Derivatives designated as hedging instruments | Interest Rate Swap | Other Current Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	(4.3)	(8.8)	(8.8)
Derivatives designated as hedging instruments | Interest Rate Swap | Other Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	(4.4)	(4.6)	(0.7)
Derivatives designated as hedging instruments | Commodity hedging instruments | Other Current Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	(0.8)	(1.3)	0.0
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Total derivatives	0.5	(3.9)	(1.0)
Not Designated as Hedging Instrument | Currency forward contracts | Other Current Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	(0.8)	(0.7)	0.0
Not Designated as Hedging Instrument | Currency forward contracts | Prepaid and other current assets
Derivatives, Fair Value [Line Items]
Derivative asset	1.2	0.0	1.2
Not Designated as Hedging Instrument | Commodity hedging instruments | Other Current Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	(0.1)	(3.2)	(2.2)
Not Designated as Hedging Instrument | Commodity hedging instruments | Prepaid and other current assets
Derivatives, Fair Value [Line Items]
Derivative asset	$ 0.2	$ 0.0	$ 0.0