REVENUE RECOGNITION (Tables)

3 Months Ended

Dec. 27, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Net Sales from Contracts with Customers by Market Sector

The table below shows net sales from contracts with customers by market sector. See additional information regarding market sectors in Note 10—Market Sectors and Major Customers.

	Three Months Ended
	December 27, 2019						December 28, 2018
	Point in Time		Over Time		Net Sales		Point in Time		Over Time		Net Sales
(in thousands)
Aerospace & Defense	$	14,014	$	13,273	$	27,287	$	7,565	$	11,147	$	18,712
Medical	4,198		6,986		11,184		3,685		5,474		9,159
Industrial	5,192		1,071		6,263		6,014		1,556		7,570
	$	23,404	$	21,330	$	44,734	$	17,264	$	18,177	$	35,441

Schedule of Impact of Topic 606 Adoption on Consolidated Financial Statements

Customer deposits are recorded when cash payments are received or due in advance of revenue recognition from contracts with customers. The timing of revenue recognition may differ from the timing of billings to customers. The changes in customer deposits from the Company's custom manufacturing services are as follows:

	Three Months Ended
	December 27, 2019			December 28, 2018
(in thousands)
Beginning balance	$	13,229		$	7,595
Recognition of deferred revenue	(5,041		)	(2,585		)
Deferral of revenue	6,910			3,664
Ending balance	$	15,098		$	8,674