Revenue from Contracts with Customers (Tables)

12 Months Ended

Sep. 28, 2019

Revenue from Contract with Customer [Abstract]

Contract with Customer, Asset and Liability

Total contract assets and contract liabilities are as follows:

	September 28, 2019		September 30, 2018
Unbilled receivables	$	468,824	$	405,610
Contract advances	137,242		152,608
Net contract assets	$	331,582	$	253,002