Receivables (Tables)

12 Months Ended

Sep. 29, 2018

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

Receivables consist of:

	September 29, 2018			September 30, 2017
Accounts receivable	$	295,180		$	286,773
Long-term contract receivables:
Amounts billed	156,414			148,087
Unbilled recoverable costs and accrued profits	316,489			282,154
Total long-term contract receivables	472,903			430,241
Other	30,787			15,077
Less allowance for doubtful accounts	(4,959		)	(4,351		)
Receivables	$	793,911		$	727,740