Segment Information (Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Jan. 01, 2017	Jan. 03, 2016
Segment Reporting Information [Line Items]
Income from continuing operations, before income taxes	$ 29,365	$ 28,623	$ 71,524	$ 110,812
Amortization of intangible assets	(6,500)	(3,200)	(18,313)	(5,628)
Stock-based compensation expense	(9,906)	(9,462)	(29,602)	(25,878)
Interest and other income (expense), net	(339)	99	1,560	867
Unallocated expenses
Segment Reporting Information [Line Items]
Amortization of intangible assets	(5,557)	(2,732)	(16,578)	(4,315)
Inventory fair market value adjustment	(757)	(890)	(3,672)	(890)
(Loss) gain from divestiture	(710)	0	(710)	0
Assets impairment and recoveries	0	0	(870)	(119)
Stock-based compensation expense	(9,906)	(9,462)	(29,602)	(25,878)
Severance and facility closure costs	216	(6,092)	(16,722)	(9,060)
Acquisition-related costs and other	0	(2,649)	(72)	(2,649)
Deferred compensation plan income, net	(13)	(3)	(42)	0
Interest and other income (expense), net	(3,357)	(2,035)	(9,269)	1,201
Communications | Operating Segments
Segment Reporting Information [Line Items]
Income from continuing operations, before income taxes	28,054	35,238	77,226	85,588
Computing, Consumer and Industrial | Operating Segments
Segment Reporting Information [Line Items]
Income from continuing operations, before income taxes	$ 21,395	$ 17,248	$ 71,835	$ 66,934