Segment Information

The Chief Operating Decision Maker is the Company’s President and Chief Executive Officer.

The Company's reportable segments include the following:


•	Communications segment: includes clock and timing solutions, flow-control management devices including Serial RapidIO ® switching solutions, multi-port products, telecommunications products, high-speed static random access memory, first in and first out memory (FIFO), digital logic, radio frequency, optical interconnect and frequency control solutions.


•	Computing, Consumer and Industrial segment: includes clock generation and distribution products, high-performance server memory interfaces, PCI Express switching solutions, power management solutions, signal integrity products, optical interconnect, video distribution and contribution solutions and sensing products for mobile, automotive and industrial solutions.

The tables below provide information about these segments:



Revenues by segment	Three Months Ended				Nine Months Ended
(in thousands)	December 31, 2017		January 1, 2017		December 31, 2017		January 1, 2017
Communications	$	63,614	$	65,978	$	185,432	$	210,172
Computing, Consumer and Industrial	153,461		110,380		432,754		342,373
Total revenues	$	217,075	$	176,358	$	618,186	$	552,545



Income by segment	Three Months Ended						Nine Months Ended
(in thousands)	December 31, 2017			January 1, 2017			December 31, 2017			January 1, 2017
Communications	$	25,049		$	28,054		$	70,326		$	77,226
Computing, Consumer and Industrial	37,747			21,395			95,219			71,835
Unallocated expenses:
Amortization of intangible assets	(9,287		)	(5,557		)	(29,091		)	(16,578		)
Inventory fair market value adjustment	(1,178		)	(757		)	(7,270		)	(3,672		)
Assets impairment and other	—			—			(917		)	(870		)
Stock-based compensation expense	(13,578		)	(9,906		)	(38,348		)	(29,602		)
Severance, retention and facility closure costs	(378		)	216			(5,210		)	(16,722		)
Acquisition-related costs and other	—			—			(2,225		)	(72		)
Interest expense and other, net	(5,583		)	(4,080		)	(15,311		)	(10,021		)
Income before income taxes	$	32,792		$	29,365		$	67,173		$	71,524

The Company does not allocate goodwill and intangible assets impairment charge, IPR&D, severance, acquisition-related costs, stock-based compensation, interest income and other, and interest expense to its segments. In addition, the Company does not allocate assets to its segments. The Company excludes these items consistent with the manner in which it internally evaluates its results of operations.

Revenues from unaffiliated customers by geographic area, based on the customers' shipment locations, were as follows:



	Three Months Ended				Nine Months Ended
(in thousands)	December 31, 2017		January 1, 2017		December 31, 2017		January 1, 2017
Hong Kong	$	84,036	$	62,565	$	218,733	$	198,215
Korea	21,867		17,061		61,304		52,576
Rest of Asia Pacific	62,112		51,456		189,430		172,581
Americas (1)	21,818		20,752		65,121		58,392
Europe	27,242		24,524		83,598		70,781
Total revenues	$	217,075	$	176,358	$	618,186	$	552,545


(1)	The revenues from the customers in the U.S. were $15.8 million and $19.4 million in the three months ended December 31, 2017 and January 1, 2017, respectively. The revenue from the customers in the U.S. was $52.8 million and $53.6 million in the nine months ended December 31, 2017 and January 1, 2017, respectively.

The Company utilizes global and regional distributors around the world, that buy products directly from the Company on behalf of their customers. Four distributors, Avnet and its affiliates, Uniquest and its affiliates, WT Microelectronics, and Macnica accounted for 15%, 12%, 11% and 10%, respectively, of the Company's revenues in the three months ended December 31, 2017. Three distributors, Avnet and its affiliates, Uniquest and its affiliates and Macnica accounted for 15%, 10% and 10%, respectively, of the Company's revenues in the nine months ended December 31, 2017. Two distributors, Uniquest and its affiliates and Avnet and its affiliates accounted for 10% and 11%, respectively, of the Company's revenues in the three months ended January 1, 2017. Two distributors, Uniquest and its affiliates and Avnet and its affiliates accounted for 11% and 10%, respectively, of the Company's revenues in the nine months ended January 1, 2017.

As of December 31, 2017, two distributors represented approximately 18% and 11%, respectively, of the Company’s gross accounts receivable. As of April 2, 2017, two distributors represented approximately 11% and 10%, respectively, of the Company’s gross accounts receivable.

The Company’s significant operations outside of the United States include a test facility in each of Malaysia and Germany, design centers in the U.S., Canada and China, and sales subsidiaries in APAC and Europe. The Company's net property, plant and equipment are summarized below by geographic area:



(in thousands)	December 31, 2017		April 2, 2017
United States	$	39,930	$	37,996
Malaysia	29,594		24,386
Germany	10,154		12,477
All other countries	6,958		6,102
Total property, plant and equipment, net	$	86,636	$	80,961