General form of registration statement for all companies including face-amount certificate companies

Net Loss Per Share - Summary Of Reconciles Basic Weighted Average Common Shares Outstanding To Diluted Weighted Average Common Shares Outstanding (Detail)

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Net Loss Per Share - Summary Of Reconciles Basic Weighted Average Common Shares Outstanding To Diluted Weighted Average Common Shares Outstanding (Detail) - shares
3 Months Ended 12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Oct. 03, 2020
Sep. 28, 2019
Sep. 29, 2018
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]          
Weighted average common shares outstanding, used for basic computation 176,989,755 156,500,000      
Weighted average number of common and dilutive potential common shares outstanding 176,989,755 156,500,000 156,500,000 156,500,000 156,500,000