CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jul. 01, 2018	Jul. 02, 2017
Cash flows from operating activities:
Net income	$ 30,720	$ 16,714
Adjustments:
Depreciation	6,586	6,116
Amortization of intangible assets	10,097	11,736
Amortization of debt issuance costs and debt discount	3,820	3,641
Other-than-temporary impairment loss on investment	(2,000)	0
Stock-based compensation expense, net of amounts capitalized in inventory	15,063	11,820
Deferred income tax	3,704	(3,023)
Changes in assets and liabilities, net of acquisitions:
Accounts receivable, net	(3,234)	582
Inventories	2,505	253
Prepayments and other assets	(2,625)	239
Accounts payable	(6,008)	(5,530)
Accrued compensation and related expenses	(15,324)	(6,226)
Deferred income on shipments to distributors	0	233
Income taxes payable and receivable	(1,937)	917
Other accrued liabilities and long-term liabilities	(1,074)	(2,499)
Net cash provided by operating activities	44,293	34,973
Cash flows from investing activities:
Business acquisitions, net of cash acquired	0	(237,716)
Purchases of property, plant and equipment, net	(8,459)	(8,434)
Purchases of intangible assets	(778)	(259)
Purchases of short-term investments	(3,478)	(47,689)
Proceeds from sales of short-term investments	2,425	14,568
Proceeds from maturities of short-term investments	24,419	11,401
Net cash provided by (used in) investing activities	14,129	(268,129)
Cash flows from financing activities:
Proceeds from issuance of common stock	5,415	3,209
Repurchases of common stock	(49,338)	(34,826)
Payment of capital lease obligations	(449)	(200)
Proceeds of Initial Term B Loan, net of discount and issuance costs	0	194,252
Principal payments of long-term bank loan	(495)	(500)
Payment of contingent consideration	(750)	0
Net cash provided by (used in) financing activities	(45,617)	161,935
Effect of exchange rates on cash and cash equivalents	(1,607)	1,200
Net increase (decrease) in cash and cash equivalents	11,198	(70,021)
Cash and cash equivalents at beginning of period	136,873	214,554
Cash and cash equivalents at end of period	148,071	144,533
Non-cash investing and financing activities:
Additions to property, plant and equipment included in accounts payable	524	1,879
Additions to intangible assets included in accounts payable and other accrued liabilities	215	0
Fair value of partially vested employee equity awards related to pre-combination services that were assumed as part of the business acquisition	$ 0	$ 3,400