Revenue from Contracts with Customers (Tables)

6 Months Ended

Mar. 30, 2019

Revenue from Contract with Customer [Abstract]

Contract Assets and Liabilities

Total contract assets and contract liabilities as of March 30, 2019 are as follows:

	March 30, 2019		September 30, 2018
Unbilled receivables	$	430,901	$	405,610
Contract advances	169,836		152,608
Net contract assets	$	261,065	$	253,002