Receivables (Tables)

12 Months Ended

Sep. 28, 2019

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

Receivables consist of:

	September 28, 2019			September 29, 2018
Accounts receivable	$	255,079		$	295,180
Over-time contract receivables:
Billed receivables	222,075			156,414
Unbilled receivables	468,824			316,489
Total over-time contract receivables	690,899			472,903
Other	16,711			30,787
Less allowance for doubtful accounts	(5,402		)	(4,959		)
Receivables	$	957,287		$	793,911