Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Oct. 02, 2020	Sep. 27, 2019
Deferred tax assets:
Net operating loss and credit carryforward	$ 278,418	$ 263,199
Intangible assets	15,880	9,887
Property and equipment	3,274	0
Accrued expenses	14,564	16,149
Minority equity investments	1,010	784
Lease obligations	12,732	0
Interest	5,471	7,170
Gross deferred tax asset	331,349	297,189
Less valuation allowance	(277,442)	(252,536)
Deferred tax asset, net of valuation allowance	53,907	44,653
Deferred tax liabilities:
Property and equipment	0	(1,473)
Right of use lease asset	(14,057)	0
Deferred tax liabilities	(14,057)	(1,473)
Net deferred tax asset	$ 39,850	$ 43,180