Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jul. 02, 2023	Jun. 30, 2024	Jul. 02, 2023	Oct. 01, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 176,790		$ 176,790		$ 177,477
Accumulated depreciation	(106,096)		(106,096)		(102,645)
Property and equipment, net	70,694		70,694		74,832
Depreciation expense related to property and equipment	5,700	$ 5,600	18,300	$ 13,700
Equipment, furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	130,748		130,748		132,744
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 46,042		$ 46,042		$ 44,733