GOODWILL AND INTANGIBLE ASSETS - Gross Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 30, 2016	Sep. 30, 2016
Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, gross	$ 174.9	$ 176.4
Accumulated Amortization	(84.3)	(80.5)
Total remaining amortization expense	90.6	95.9
Indefinite intangible assets	8.8	8.8
Total intangible assets	183.7	185.2
Total intangible assets, net	99.4	104.7	[1]
Technologies and patents
Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, gross	120.9	122.0
Accumulated Amortization	(62.9)	(60.7)
Total remaining amortization expense	58.0	61.3
Customer contracts and supplier relationship
Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, gross	41.7	41.7
Accumulated Amortization	(14.1)	(13.0)
Total remaining amortization expense	27.6	28.7
Other
Finite Lived Intangible Assets [Line Items]
Finite lived intangible assets, gross	12.3	12.7
Accumulated Amortization	(7.3)	(6.8)
Total remaining amortization expense	$ 5.0	$ 5.9

[1] The condensed consolidated balance sheet as of September 30, 2016 was derived from audited financial statements as of that date, but does not include all disclosures required by accounting principles generally accepted in the United States of America.