Segment Information - Schedule of Revenues by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017
Segment Reporting Information [Line Items]
Revenues	$ 235,484	$ 204,398	$ 464,000	$ 401,111
Hong Kong
Segment Reporting Information [Line Items]
Revenues	89,796	70,810	170,471	134,698
Rest of Asia Pacific
Segment Reporting Information [Line Items]
Revenues	64,458	62,781	131,750	127,317
Europe
Segment Reporting Information [Line Items]
Revenues	31,219	32,024	60,973	56,356
Korea
Segment Reporting Information [Line Items]
Revenues	25,246	21,275	52,773	39,437
Americas
Segment Reporting Information [Line Items]
Revenues	24,765	17,508	48,033	43,303
United States
Segment Reporting Information [Line Items]
Revenues	20,300	14,800	40,600	36,900
Communications
Segment Reporting Information [Line Items]
Revenues	73,384	61,957	140,470	118,505
Computing, Consumer and Industrial
Segment Reporting Information [Line Items]
Revenues	$ 162,100	$ 142,441	$ 323,530	$ 282,606