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Revenue from Contracts with Customers (Tables)
3 Months Ended
Jan. 02, 2021
Revenue from Contract with Customer [Abstract]  
Contract Assets and Liabilities
Total contract assets and contract liabilities are as follows:
January 2,
2021
October 3, 2020
Unbilled receivables$490,297 $493,734 
Contract advances234,480 203,338 
Net contract assets$255,817 $290,396