Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 26, 2025	Jan. 28, 2024	Jan. 29, 2023	Jan. 30, 2022
Non-current deferred tax assets:
Deferred revenue	$ 2,351	$ 0
Inventory reserve	7,501	8,091
Bad debt reserve	405	447
Foreign tax credits	1,790	1,737
Research credit carryforward	91,214	78,593
NOL carryforward	128,595	107,030
Leasing deferred assets	5,930	7,001
OID interest	9,692	12,812
Other reserves	1,463	1,176
Section 163(J) Limitation	34,072	17,696
Payroll and related accruals	7,989	8,253
Share-based compensation	4,608	2,904
Foreign pension deferred	793	632
Accrued sales reserves	4,332	3,498
Research and development charges	20,374	20,274
Other deferred assets	3,558	4,181
Intangibles	67,397	72,946
Valuation allowance	(328,203)	(304,355)	$ (156,850)	$ (17,506)
Total non-current deferred tax assets	63,861	42,916
Non-current deferred tax liabilities:
Property, plant and equipment	(7,135)	(7,937)
Goodwill and other intangibles	(7,700)	(7,406)
Leasing deferred liabilities	(5,334)	(5,866)
Other non-current deferred tax liabilities	(3,318)	(4,523)
Total non-current deferred tax liabilities	(23,487)	(25,732)
Net deferred tax assets	$ 40,374	$ 17,184

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