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Segment Information (Tables) | 3 Months Ended
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Apr. 28, 2019
Segment Reporting [Abstract] |
Net Sales by Segment | Net sales by segment are as follows:
| Three Months Ended
(in thousands) | April 28, 2019 |  | April 29, 2018
Semiconductor Products Group | $ | 131,354 |  |  | $ | 130,429 |
Total | $ | 131,354 |  |  | $ | 130,429 |
Income by Segment and Reconciliation to Consolidated Operating Income | Income by segment and reconciliation to consolidated operating income:
| Three Months Ended
(in thousands) | April 28, 2019 |  | April 29, 2018
Semiconductor Products Group | $ | 28,627 |  |  | $ | 40,812 |
Operating income by segment | 28,627 |  |  | 40,812 |
Items to reconcile segment operating income to consolidated income before taxes |  |  |
Share-based compensation | 11,328 |  |  | 35,516 |
Intangible amortization | 5,143 |  |  | 6,961 |
Changes in the fair value of contingent earn-out obligations | (2,161 | ) |  | — |
Other non-segment related expenses | 1,500 |  |  | 1,432 |
Interest expense, net | 2,467 |  |  | 2,190 |
Non-operating expense, net | (1,043 | ) |  | (190 | )
Income before taxes | $ | 11,393 |  |  | $ | (5,097 | )
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 28, 2019 |  | April 29, 2018
Signal Integrity | $ | 50,257 |  |  | 38 | % |  | $ | 65,599 |  |  | 50 | %
Protection | 38,890 |  |  | 30 | % |  | 40,792 |  |  | 31 | %
Wireless and Sensing | 42,207 |  |  | 32 | % |  | 45,539 |  |  | 35 | %
Other: Warrant Shares (1) | — |  |  | — | % |  | (21,501 | ) |  | (16 | )%
Total net sales | $ | 131,354 |  |  | 100 | % |  | $ | 130,429 |  |  | 100 | %
Schedule of Revenue from External Customers by Sales Channel |
| Three Months Ended
(in thousands) | April 28, 2019 |  | April 29, 2018
Distributor | $ | 81,147 |  |  | $ | 111,340 |
Direct | 50,207 |  |  | 40,590 |
Other: Warrant Shares | — |  |  | (21,501 | )
Total net sales | $ | 131,354 |  |  | $ | 130,429 |
Net Sales Activity By Geographic Region | Net sales activity by geographic region is as follows:
| Three Months Ended
| April 28, 2019 |  | April 29, 2018
Asia-Pacific | 78 | % |  | 68 | %
North America | 12 | % |  | 27 | %
Europe | 10 | % |  | 9 | %
Other: Warrant Shares | — | % |  | (4 | )%
| 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 28, 2019 |  | April 29, 2018
China (including Hong Kong) | 53 | % |  | 50 | %
United States | 10 | % |  | 14 | %

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