COMMITMENTS AND CONTINGENCIES - Accrued Product Warranty (Detail) - USD ($) $ in Millions	9 Months Ended
	Jul. 01, 2016	Jul. 03, 2015
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Accrued product warranty, at beginning of period	$ 45.9	$ 49.3
Charged to cost of revenues	39.6	33.1
Actual product warranty expenditures	(35.5)	(38.8)
Accrued product warranty, at end of period	$ 50.0	$ 43.6