EARNINGS PER SHARE (Reconciliation of the shares used in the basic and diluted net income per share computation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
NUMERATOR:
Net income	$ 13,477	$ 7,517
DENOMINATOR:
Weighted average shares outstanding - Basic (in shares)	63,557	67,176
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units	$ 582	$ 675
Weighted average shares outstanding - Diluted	64,139	67,851
EPS:
Net income per share - Basic (in dollars per share)	$ 0.21	$ 0.11
Effect of dilutive shares (in dollars per share)	0	0
Net income per share - Diluted (in dollars per share)	$ 0.21	$ 0.11