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Segment Information (Tables) | 9 Months Ended
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Oct. 29, 2017
Segment Reporting Information [Line Items] |
Net Sales by Segment | Net sales by segment are as follows:
| Three Months Ended |  | Nine Months Ended
(in thousands) | October 29, 2017 |  | October 30, 2016 |  | October 29, 2017 |  | October 30, 2016
Semiconductor Products Group | $ | 150,304 |  |  | $ | 137,185 |  |  | $ | 447,233 |  |  | $ | 404,036 |
All others | — |  |  | — |  |  | — |  |  | 205 |
Total | $ | 150,304 |  |  | $ | 137,185 |  |  | $ | 447,233 |  |  | $ | 404,241 |
Income by Segment and Reconciliation to Consolidated Operating Income | Income by segment and reconciliation to consolidated operating income:
| Three Months Ended |  | Nine Months Ended
(in thousands) | October 29, 2017 |  | October 30, 2016 |  | October 29, 2017 |  | October 30, 2016
Semiconductor Products Group | $ | 42,828 |  |  | $ | 33,013 |  |  | $ | 124,906 |  |  | $ | 92,973 |
All others | — |  |  | 25,214 |  |  | — |  |  | 22,738 |
Operating income by segment | 42,828 |  |  | 58,227 |  |  | 124,906 |  |  | 115,711 |
Items to reconcile segment operating income to consolidated income before taxes |  |  |  |  |  |  |
Share-based compensation | 15,356 |  |  | 9,395 |  |  | 44,166 |  |  | 21,198 |
Intangible amortization | 7,453 |  |  | 6,286 |  |  | 20,414 |  |  | 19,017 |
Changes in the fair value of contingent earn-out obligations | 188 |  |  | — |  |  | 188 |  |  | (162 | )
Other non-segment related expenses | 2,252 |  |  | 3,139 |  |  | 5,221 |  |  | 5,939 |
Amortization of fair value adjustments related to acquired property, plant and equipment | — |  |  | 308 |  |  | 190 |  |  | 925 |
Interest expense, net | 2,032 |  |  | 1,890 |  |  | 6,107 |  |  | 5,857 |
Non-operating expense, net | (1,267 | ) |  | 690 |  |  | (431 | ) |  | 871 |
Income before taxes | $ | 16,814 |  |  | $ | 36,519 |  |  | $ | 49,051 |  |  | $ | 62,066 |
Net Sales Activity By Product Line | The table below provides net sales activity by product line on a comparative basis:
| Three Months Ended |  | Nine Months Ended
(in thousands, except percentages) | October 29, 2017 |  | October 30, 2016 |  | October 29, 2017 |  | October 30, 2016
Signal Integrity | $ | 63,921 |  |  | 42 | % |  | $ | 60,550 |  |  | 44 | % |  | $ | 198,645 |  |  | 43 | % |  | $ | 193,745 |  |  | 48 | %
Protection | 49,366 |  |  | 33 | % |  | 40,250 |  |  | 29 | % |  | 136,673 |  |  | 31 | % |  | 108,296 |  |  | 27 | %
Wireless and Sensing | 31,146 |  |  | 21 | % |  | 24,070 |  |  | 18 | % |  | 92,378 |  |  | 21 | % |  | 60,514 |  |  | 15 | %
Power and High-Reliability | 12,120 |  |  | 8 | % |  | 15,984 |  |  | 12 | % |  | 34,263 |  |  | 8 | % |  | 45,150 |  |  | 11 | %
Systems Innovation | — |  |  | — | % |  | — |  |  | — | % |  | — |  |  | — | % |  | 205 |  |  | — | %
Other: Warrant Shares | (6,249 | ) |  | (4 | )% |  | (3,669 | ) |  | (3 | )% |  | (14,726 | ) |  | (3 | )% |  | (3,669 | ) |  | (1 | )%
Total net sales | $ | 150,304 |  |  | 100 | % |  | $ | 137,185 |  |  | 100 | % |  | $ | 447,233 |  |  | 100 | % |  | $ | 404,241 |  |  | 100 | %
Net Sales Activity By Geographic Region | Net sales activity by geographic region is as follows:
| Three Months Ended |  | Nine Months Ended
| October 29, 2017 |  | October 30, 2016 |  | October 29, 2017 |  | October 30, 2016
Asia-Pacific | 75 | % |  | 80 | % |  | 74 | % |  | 79 | %
North America | 21 | % |  | 16 | % |  | 21 | % |  | 16 | %
Europe | 8 | % |  | 7 | % |  | 8 | % |  | 8 | %
Other: Warrant Shares | (4 | )% |  | (3 | )% |  | (3 | )% |  | (3 | )%
| 100 | % |  | 100 | % |  | 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 |  | Nine Months Ended
(percentage of total sales) | October 29, 2017 |  | October 30, 2016 |  | October 29, 2017 |  | October 30, 2016
China (including Hong Kong) | 50 | % |  | 46 | % |  | 50 | % |  | 45 | %
United States | 9 | % |  | 11 | % |  | 9 | % |  | 11 | %

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