Income Taxes - Narrative (Details) $ in Thousands, SFr in Millions			12 Months Ended
	May 19, 2019	Dec. 06, 2016 CHF (SFr)	Jan. 29, 2023 USD ($)	Jan. 30, 2022 USD ($)	Jan. 31, 2021 USD ($)	Jan. 12, 2023 USD ($)	Jan. 26, 2020 USD ($)
Income Tax [Line Items]
Deferred Tax Liabilities, Undistributed Foreign Earnings			$ 0
Gross research credits available to offset taxable income			61,699	$ 13,498
Valuation allowance			$ 156,850	17,506	$ 15,751		$ 16,189
Percentage of uncertain tax positions evaluating criteria			50.00%
Net tax benefits, if recognized, would impact the effective tax rate			$ 12,600	9,300
Unrecognized tax benefits, interest and penalties			1,900
Net deferred tax assets			58,719	26,670
Assumed valuation allowance from Sierra Wireless Acquisition			116,528	0	0
Change in valuation allowance				6,500
Additions			22,816	2,605	$ 1,208
Change in valuation allowance from Convertible Note Hedge Transaction			16,300
US, Canada, And France
Income Tax [Line Items]
Valuation allowance			156,900	17,500
Net deferred tax assets			215,600	$ 44,100
Foreign
Income Tax [Line Items]
Reduction in statutory Cantonal tax rate, percentage		70.00%
Statutory Cantonal tax rate before tax holiday, percentage		12.56%
Statutory Cantonal tax rate after tax holiday, percentage		3.77%
Maximum after-tax profit subject to potential savings | SFr		SFr 500.0
Income tax holiday, initial term		5 years
Income tax holiday, possible additional term		5 years
Gross research credits available to offset taxable income			57,600
Foreign | CANADA
Income Tax [Line Items]
Operating loss carryforwards						$ 21,000
Foreign | FRANCE
Income Tax [Line Items]
Operating loss carryforwards						162,500
Foreign | LUXEMBOURG
Income Tax [Line Items]
Operating loss carryforwards						$ 97,600
Foreign | Sierra Wireless
Income Tax [Line Items]
Gross research credits available to offset taxable income			47,000
Foreign | Swiss Federal Tax Administration (FTA)
Income Tax [Line Items]
Reduction in statutory Cantonal tax rate, percentage	70.00%
Income Tax, Statutory Cantonial Tax Rate	0.0846
Statutory Cantonal tax rate before tax holiday, percentage	12.56%
Statutory Cantonal tax rate after tax holiday, percentage	2.54%
Federal
Income Tax [Line Items]
Operating loss carryforwards			74,000
Gross research credits available to offset taxable income			9,600
Federal | Sierra Wireless
Income Tax [Line Items]
Gross research credits available to offset taxable income			2,500
State
Income Tax [Line Items]
Operating loss carryforwards			105,300
Gross research credits available to offset taxable income			$ 18,500
Maximum | Foreign
Income Tax [Line Items]
Potential tax savings | SFr		SFr 44.0