Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 01, 2022	Dec. 26, 2020
Deferred tax assets:
Reserves and accruals	$ 15,084	$ 13,874
Deferred revenue	4,729	1,648
Share-based compensation	3,023	2,556
Tax credit carryforward	10,339	10,801
Net operating losses	3,254	4,849
Depreciation and amortization	368	687
Operating lease liabilities	3,575	4,261
Other	2,364	1,877
Gross deferred tax assets	42,736	40,553
Less: valuation allowance	(10,948)	(14,238)
Total deferred tax assets after valuation allowance	31,788	26,315
Deferred tax liabilities:
Depreciation and amortization	(63,554)	(75,608)
Operating lease right of use assets	(3,469)	(3,960)
Other	(224)	(135)
Gross deferred tax liabilities	(67,247)	(79,703)
Net deferred tax liabilities	$ (35,459)	$ (53,388)