RETIREMENT PLANS - Schedule of Net Periodic Benefit Costs (Detail) - Defined Benefit Plans - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2016	Jan. 02, 2015
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1,475	$ 1,187
Interest cost	1,040	1,295
Expected return on plan assets	(1,739)	(1,816)
Amortization of prior service cost	9	47
Recognized actuarial loss	726	614
Net periodic benefit cost	$ 1,511	$ 1,327