XML 70 R57.htm IDEA: XBRL DOCUMENT v3.21.1
Revenue from Contracts with Customers - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 03, 2021
Apr. 04, 2020
Apr. 03, 2021
Apr. 04, 2020
Oct. 03, 2020
Disaggregation of Revenue [Line Items]          
Deferred Revenue $ 60,500   $ 60,500   $ 55,600
Transferred over Time [Member]          
Disaggregation of Revenue [Line Items]          
Percentage of Revenue 92.00% 90.00% 91.00% 90.00%