Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 26, 2020	Sep. 28, 2019
Cash flows from operating activities:
Net income	$ 287,652	$ 468,452
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of software	61,998	42,551
Amortization - others	30,375	22,050
Stock-based compensation	108,822	92,575
Deferred income taxes	(10,028)	11,342
Others	3,462	(19,580)
Changes in assets and liabilities:
Accounts receivable, net	(89,468)	5,523
Inventories	22,292	(14,675)
Prepaid expenses and other current assets	(995)	(1,860)
Other assets	(21,530)	(12,539)
Accounts payable	(3,035)	(19,786)
Accrued liabilities	81,781	21
Income taxes payable	21,728	(52,164)
Net cash provided by operating activities	493,054	521,910
Cash flows from investing activities:
Purchases of available-for-sale securities	(2,743,360)	(671,515)
Proceeds from sale and maturity of available-for-sale and equity securities	1,231,731	1,458,286
Purchases of property, plant and equipment and software	(30,792)	(62,842)
Other investing activities	(12,198)	(5,453)
Acquisition of business, net of cash acquired	0	(454,613)
Net cash provided by (used in) investing activities	(1,554,619)	263,863
Cash flows from financing activities:
Repurchases of common stock	(53,682)	(477,245)
Taxes paid related to net share settlements of restricted stock units	(53,425)	(71,778)
Proceeds from issuance of common stock through various stock plans	20,114	19,802
Payment of dividends to stockholders	(185,519)	(187,445)
Proceeds from issuance of long-term debt, net	744,427	0
Other financing activities	(17,277)	(9,784)
Net cash provided by (used in) financing activities	454,638	(726,450)
Net increase (decrease) in cash and cash equivalents	(606,927)	59,323
Cash and cash equivalents at beginning of period		1,544,490
Cash and cash equivalents at end of period	1,170,776	1,603,813
Supplemental disclosure of cash flow information:
Interest paid	21,289	30,513
Income taxes paid, net	$ 59,145	$ 50,332