INCOME PER SHARE OF COMMON STOCK (Detail) (USD $)			9 Months Ended
	Jun. 30, 2012	Oct. 01, 2011	Jun. 30, 2012 Exercise Price One [Member]	Jul. 02, 2011 Exercise Price One [Member]	Jun. 30, 2012 Exercise Price Two [Member]	Jul. 02, 2011 Exercise Price Two [Member]	Jun. 30, 2012 Exercise Price Three [Member]	Jul. 02, 2011 Exercise Price Three [Member]	Jun. 30, 2012 Exercise Price Four [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	648,100	396,600	176,600	166,100	251,500	140,500	145,500	90,000	100,000
Exercise Price Of Common Stock Options Included In Computation Of Earnings Per Share (in Dollars per share)			$ 12.04	$ 12.04	$ 14.40
Exercise Price Of Common Stock Options Excluded From Computation Of Earnings Per Share (in Dollars per share)						$ 29.60	$ 29.60	$ 32.15	$ 32.15