Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Cash flows from operating activities:
Net income	$ 93,836	$ 241,459
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of software	31,749	23,853
Amortization - others	15,059	9,085
Stock-based compensation	50,383	42,753
Benefit for deferred income taxes	(8,979)	(2,114)
Others	2,640	(10,240)
Changes in assets and liabilities:
Accounts receivable, net	(32,152)	29,211
Inventories	12,127	(21,400)
Prepaid expenses and other current assets	(1,925)	620
Other assets	(23,018)	(13,408)
Accounts payable	1,333	(9,106)
Accrued liabilities	29,622	(13,830)
Income taxes payable	74,796	21,333
Net cash provided by operating activities	245,471	298,216
Cash flows from investing activities:
Purchases of available-for-sale securities	(1,678,000)	(361,315)
Proceeds from sale and maturity of available-for-sale and equity securities	318,857	707,388
Purchases of property, plant and equipment and software	(15,461)	(29,201)
Other investing activities	(6,280)	3,549
Acquisition of business, net of cash acquired	0	(25,145)
Net cash provided by (used in) investing activities	(1,380,884)	295,276
Cash flows from financing activities:
Repurchases of common stock	(53,682)	(444,995)
Taxes paid related to net share settlements of restricted stock units	(3,240)	(4,122)
Proceeds from issuance of common stock through various stock plans	1	3
Payment of dividends to stockholders	(92,414)	(93,961)
Proceeds from issuance of long-term debt, net	744,423	0
Other financing activities	(10,002)	(4,881)
Net cash provided by (used in) financing activities	585,086	(547,956)
Net increase (decrease) in cash and cash equivalents	(550,327)	45,536
Cash and cash equivalents at beginning of period		1,544,490
Cash and cash equivalents at end of period	1,227,376	1,590,026
Supplemental disclosure of cash flow information:
Interest paid	13,789	23,013
Income taxes paid, net	$ 3,747	$ 1,661