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Segment Information (Tables) | 3 Months Ended
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Apr. 26, 2020
Segment Reporting [Abstract] |
Net Sales by Segment | Net sales by segment were as follows:
| Three Months Ended
(in thousands) | April 26, 2020 |  | April 28, 2019
Semiconductor Products Group | $ | 132,702 |  |  | $ | 131,354 |
Total | $ | 132,702 |  |  | $ | 131,354 |
Income by Segment and Reconciliation to Consolidated Operating Income | The following table presents a reconciliation of operating income by segment to consolidated income before taxes. Historical amounts have been adjusted to conform to the current presentation:
| Three Months Ended
(in thousands) | April 26, 2020 |  | April 28, 2019
Semiconductor Products Group | $ | 28,098 |  |  | $ | 28,628 |
Operating income by segment | 28,098 |  |  | 28,628 |
Items to reconcile segment operating income to consolidated income before taxes: |  |  |
Share-based compensation | 9,379 |  |  | 11,978 |
Intangible amortization | 2,840 |  |  | 5,143 |
Investment impairments and credit loss reserves | 3,630 |  |  | — |
Changes in the fair value of contingent earn-out obligations | (33 | ) |  | (2,161 | )
Restructuring and other reserves | — |  |  | 140 |
Litigation cost, net of recoveries | 146 |  |  | (74 | )
Transaction and integration related | (2 | ) |  | 1,435 |
Interest expense | 1,559 |  |  | 2,467 |
Non-operating income, net | (423 | ) |  | (1,043 | )
Income before taxes and equity in net losses of equity method investments | $ | 11,002 |  |  | $ | 10,743 |
Net Sales Activity By Product Line | The table below provides net sales activity by product line on a comparative basis:
| Three Months Ended
(in thousands, except percentages) | April 26, 2020 |  | April 28, 2019
Signal Integrity | $ | 59,929 |  |  | 45 | % |  | $ | 50,257 |  |  | 38 | %
Wireless and Sensing | 32,958 |  |  | 25 | % |  | 42,207 |  |  | 32 | %
Protection | 39,815 |  |  | 30 | % |  | 38,890 |  |  | 30 | %
Total net sales | $ | 132,702 |  |  | 100 | % |  | $ | 131,354 |  |  | 100 | %
Schedule of Revenue from External Customers by Sales Channel |
| Three Months Ended
(in thousands) | April 26, 2020 |  | April 28, 2019
Distributor | $ | 103,948 |  |  | $ | 81,147 |
Direct | 28,754 |  |  | 50,207 |
Total net sales | $ | 132,702 |  |  | $ | 131,354 |
Net Sales Activity By Geographic Region | Net sales activity by geographic region was as follows:
| Three Months Ended
| April 26, 2020 |  | April 28, 2019
Asia-Pacific | 80 | % |  | 78 | %
North America | 12 | % |  | 12 | %
Europe | 8 | % |  | 10 | %
| 100 | % |  | 100 | %
Summary Of Sales Activity To Countries That Represented Greater Than 10% Of Total Net Sales | The table below summarizes sales activity to countries that represented greater than 10% of total net sales for at least one of the periods presented:
| Three Months Ended
(percentage of total sales) | April 26, 2020 |  | April 28, 2019
China (including Hong Kong) | 57 | % |  | 53 | %
United States | 9 | % |  | 10 | %

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