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Segment Information | 12 Months Ended
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Jan. 28, 2018
Segment Reporting [Abstract] |
Segment Information | Segment Information Segment Information See Note 1 regarding recent developments affecting the Company's operating segments. The Company had five operating segments that existed prior to the third quarter of fiscal year 2017 and currently has four. The Company’s CEO functions as the CODM. The Company’s CODM makes operating decisions and assesses performance based on these operating segments. The four operating segments: Protection Products Group, Power and High-Reliability Products Group, Signal Integrity Products Group, and Wireless and Sensing Products Group, all have similar economic characteristics and have been aggregated into one reportable segment identified in the table below as the "Semiconductor Products Group." On August 5, 2016, the Company completed its divestiture of its Snowbush IP business, and the Company no longer has a Systems Innovation Group or an "All others" category, which previously existed as a separate operating segment. The Company’s assets are commingled among the various operating segments and the CODM does not use that information in making operating decisions or assessing performance. Therefore, the Company has not included asset information by segment below. Net sales by segment are as follows:
| Fiscal Year Ended
(in thousands) | January 28, 2018 |  | January 29, 2017 |  | January 31, 2016
Semiconductor Products Group | $ | 587,847 |  |  | $ | 544,067 |  |  | $ | 485,570 |
All others | — |  |  | 205 |  |  | 4,649 |
Total | $ | 587,847 |  |  | $ | 544,272 |  |  | $ | 490,219 |
Income by segment and reconciliation to consolidated operating income:
| Fiscal Year Ended
(in thousands) | January 28, 2018 |  | January 29, 2017 |  | January 31, 2016
Semiconductor Products Group | $ | 160,810 |  |  | $ | 126,271 |  |  | $ | 83,422 |
All others | — |  |  | 23,406 |  |  | (3,670 | )
Operating income by segment | 160,810 |  |  | 149,677 |  |  | 79,752 |
Items to reconcile segment operating income to consolidated income before taxes |  |  |  |  |
Share-based compensation | 47,936 |  |  | 30,828 |  |  | 20,468 |
Intangible amortization | 27,867 |  |  | 25,301 |  |  | 25,059 |
Changes in the fair value of contingent earn-out obligations | 3,892 |  |  | (215 | ) |  | (16,362 | )
Other non-segment related expenses | 12,189 |  |  | 7,455 |  |  | 19,067 |
Amortization of fair value adjustments related to acquired property, plant and equipment | 190 |  |  | 2,227 |  |  | 1,521 |
Interest expense, net | 7,963 |  |  | 9,300 |  |  | 7,819 |
Non-operating expense, net | 902 |  |  | 1,721 |  |  | 1,801 |
Income before taxes | $ | 59,871 |  |  | $ | 73,060 |  |  | $ | 20,379 |
Information by Product Line The Company operates exclusively in the semiconductor industry and primarily within the analog and mixed-signal sector. The table below provides net sales activity by product line on a comparative basis for all periods.
| Fiscal Year Ended
(in thousands, except percentages) | January 28, 2018 |  | January 29, 2017 |  | January 31, 2016
Signal Integrity | $ | 263,015 |  |  | 45 | % |  | $ | 258,824 |  |  | 47 | % |  | $ | 221,185 |  |  | 46 | %
Protection | 176,482 |  |  | 30 | % |  | 149,865 |  |  | 28 | % |  | 138,674 |  |  | 28 | %
Wireless and Sensing | 117,596 |  |  | 20 | % |  | 81,657 |  |  | 15 | % |  | 70,712 |  |  | 14 | %
Power and High-Reliability | 46,973 |  |  | 8 | % |  | 59,117 |  |  | 11 | % |  | 54,999 |  |  | 11 | %
Systems Innovation | — |  |  | — | % |  | 205 |  |  | — | % |  | 4,649 |  |  | 1 | %
Other: Warrant Shares | (16,219 | ) |  | (3 | )% |  | (5,396 | ) |  | (1 | )% |  | — |  |  | — | %
Total Net Sales | $ | 587,847 |  |  | 100 | % |  | $ | 544,272 |  |  | 100 | % |  | $ | 490,219 |  |  | 100 | %
The cost of the Warrant granted is recognized as an offset to net sales over the respective performance period (see Note 11 for discussion regarding Share-Based Compensation). Geographic Information The Company generates virtually all of its sales from its Semiconductor Products Group through sales of analog and mixed-signal devices. Sales activity by geographic region is as follows:
| Fiscal Year Ended
(in thousands, except percentages) | January 28, 2018 |  | January 29, 2017 |  | January 31, 2016
Asia-Pacific | $ | 439,342 |  |  | 75 | % |  | $ | 412,167 |  |  | 76 | % |  | $ | 358,480 |  |  | 74 | %
North America | 121,144 |  |  | 21 | % |  | 94,123 |  |  | 17 | % |  | 46,152 |  |  | 9 | %
Europe | 43,580 |  |  | 7 | % |  | 43,378 |  |  | 8 | % |  | 85,587 |  |  | 17 | %
Other: Warrant Shares | (16,219 | ) |  | (3 | )% |  | (5,396 | ) |  | (1 | )% |  | — |  |  | — | %
Total Net Sales | $ | 587,847 |  |  | 100 | % |  | $ | 544,272 |  |  | 100 | % |  | $ | 490,219 |  |  | 100 | %
The Company attributes sales to a country based on the ship-to address. The table below summarizes sales activity to countries 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 28, 2018 |  | January 29, 2017 |  | January 31, 2016
China (including Hong Kong) | 51 | % |  | 48 | % |  | 47 | %
United States | 9 | % |  | 9 | % |  | 12 | %
Total Net Sales | 60 | % |  | 57 | % |  | 59 | %
Long-lived Assets Long-lived assets, which consist of property, plant and equipment, net of accumulated depreciation and classified by location are summarized as follows:
| Fiscal Year Ended
(in thousands) | January 28, 2018 |  | January 29, 2017
United States | $ | 48,289 |  |  | $ | 50,747 |
Rest of North America | 34,941 |  |  | 30,435 |
Europe | 9,752 |  |  | 8,821 |
Asia and all others | 31,624 |  |  | 18,907 |
Total | $ | 124,606 |  |  | $ | 108,910 |
Some of these assets are at locations owned or operated by the Company’s suppliers. The Company has consigned certain equipment to a foundry based in China to support its specialized processes run at the foundry. The Company has also installed its own equipment at some of its packaging and testing subcontractors in order to ensure a certain level of capacity, assuming the subcontractor has ample employees to operate the equipment. The net book value of equipment and machinery that are consigned to multiple foundries in China is $15.4 million and $5.1 million as of January 28, 2018 and January 29, 2017, respectively. The net book value of equipment and machinery that are consigned to a foundry in Malaysia is $6.1 million and $2.3 million as of January 28, 2018 and January 29, 2017, respectively.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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