Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 25, 2026	Jan. 26, 2025	Jan. 28, 2024	Jan. 29, 2023
Non-current deferred tax assets:
Deferred revenue	$ 2,645	$ 2,351
Inventory reserve	7,951	7,501
Bad debt reserve	731	405
Foreign tax credits	767	1,790
Research credit carryforward	89,563	91,214
NOL carryforward	134,089	128,595
Leasing deferred assets	6,244	5,930
OID interest	2,052	9,692
Other reserves	1,129	1,463
Section 163(J) Limitation	37,556	34,072
Payroll and related accruals	10,503	7,989
Share-based compensation	5,685	4,608
Foreign pension deferred	315	793
Accrued sales reserves	3,471	4,332
Research and development charges	22,134	20,374
Other deferred assets	4,261	3,558
Intangibles	61,060	67,397
Valuation allowance	(336,266)	(328,203)	$ (304,355)	$ (156,850)
Total non-current deferred tax assets	53,890	63,861
Non-current deferred tax liabilities:
Property, plant and equipment	(4,788)	(7,135)
Goodwill and other intangibles	(8,242)	(7,700)
Leasing deferred liabilities	(5,532)	(5,334)
Other non-current deferred tax liabilities	(1,241)	(3,318)
Total non-current deferred tax liabilities	(19,803)	(23,487)
Net deferred tax assets	$ 34,087	$ 40,374

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