EMPLOYEE STOCK PLANS - Summary of Share-Based Awards Available for Grant (Detail) shares in Millions	6 Months Ended
	Mar. 30, 2018 shares
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant [Roll Forward]
Balance at beginning of period (in shares)	2.5
Authorized (in shares)	6.0
Granted (in shares)	(1.7)
Cancelled or expired (in shares)	0.3
Balance at end of period (in shares)	7.1