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Segment Information (Tables)

12 Months Ended

Jan. 26, 2025

Segment Reporting [Abstract]

Net sales by segment

Net sales and gross profit by reportable segment were as follows:

			Fiscal Year Ended January 26, 2025
(in thousands)			Signal Integrity						Analog Mixed Signal and Wireless						IoT Systems and Connectivity						Total
Net sales			$	261,747					$	322,899					$	324,641					$	909,287
Segment cost of sales			99,091						143,527						197,080						439,698
Segment gross profit			$	162,656					$	179,372					$	127,561					$	469,589
Unallocated costs, including share-based compensation, amortization of acquired technology and acquired technology impairments																					(13,061)
Gross profit																					$	456,528

			Fiscal Year Ended January 28, 2024
(in thousands)			Signal Integrity						Analog Mixed Signal and Wireless						IoT Systems and Connectivity						Total
Net sales			$	177,033					$	260,264					$	431,461					$	868,758
Segment cost of sales			75,788						113,666						249,956						439,410
Segment gross profit			$	101,245					$	146,598					$	181,505					$	429,348
Unallocated costs, including share-based compensation, amortization of acquired technology and acquired technology impairments																					(133,098)
Gross profit																					$	296,250

			Fiscal Year Ended January 29, 2023
(in thousands)			Signal Integrity						Analog Mixed Signal and Wireless						IoT Systems and Connectivity						Total
Net sales			$	298,290					$	443,239					$	15,004					$	756,533
Segment cost of sales			89,780						168,724						9,270						267,774
Segment gross profit			$	208,510					$	274,515					$	5,734					$	488,759
Unallocated costs, including share-based compensation, amortization of acquired technology and acquired technology impairments																					(10,201)
Gross profit																					$	478,558

Net sales by geographic region

Net sales activity by geographic region was as follows:

			Fiscal Year Ended
(in thousands, except percentages)			January 26, 2025												January 28, 2024												January 29, 2023
Asia-Pacific			$	574,710					64		%				$	505,603					58		%				$	543,795					72		%
North America			204,479						22		%				237,132						27		%				109,444						14		%
Europe			130,098						14		%				126,023						15		%				103,294						14		%
Total net sales			$	909,287					100		%				$	868,758					100		%				$	756,533					100		%

Sales activity to countries representing greater than 10% of total sales

The table below summarizes sales activity to geographies that represented greater than 10% of total sales for at least one of the periods presented:

			Fiscal Year Ended
(percentage of total net sales)			January 26, 2025						January 28, 2024						January 29, 2023
China (including Hong Kong)			43		%				32		%				53		%
United States			21		%				24		%				13		%
Total net sales			64		%				56		%				66		%

Long-lived assets by location

The following table summarizes the Company's long-lived assets, which consist of property, plant and equipment, net of accumulated depreciation, classified by location:

			Balance as of
(in thousands)			January 26, 2025						January 28, 2024
United States			$	58,395					$	67,773
Rest of North America			41,445						52,284
Europe			14,604						18,883
Asia and all others			11,746						14,678
Total			$	126,190					$	153,618

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