Financing Obligation (Details) $ in Millions	9 Months Ended
Jul. 02, 2021 USD ($)
Debt Disclosure [Abstract]
Property and equipment, net capitalized	$ 6.6
Financing obligation for property, plant and equipment	6.6
Future fixed payment	$ 16.8
Power generator life term	15 years
Implied discount rate	7.70%
Remaining future fixed payments	$ 10.4

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration