COMMITMENTS AND CONTINGENCIES - Accrued Product Warranty (Detail) - USD ($) $ in Millions	6 Months Ended
	Apr. 01, 2016	Apr. 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	23.9	21.8
Actual product warranty expenditures	(22.0)	(28.1)
Accrued product warranty, at end of period	$ 47.8	$ 43.0