Marketable Securities (Tables)

6 Months Ended

Sep. 25, 2021

Marketable Securities [Abstract]

Schedule of Available-for-sale Securities

The following table is a summary of available-for-sale securities at September 25, 2021 (in thousands):

As of September 25, 2021	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value (Net Carrying Amount)
Corporate debt securities	$	72,235	$	230	$	(80)	$	72,385
Non-U.S. government securities	1,688		11		—		1,699
U.S. Treasury securities	1,797		—		(3)		1,794
Total securities	$	75,720	$	241	$	(83)	$	75,878

The following table is a summary of available-for-sale securities at March 27, 2021 (in thousands):

As of March 27, 2021	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value (Net Carrying Amount)
Corporate debt securities	$	348,971	$	3,403	$	(313)	$	352,061
Non-U.S. government securities	13,462		172		(1)		13,633
Agency discount notes	2,759		4		(1)		2,762
Total securities	$	365,192	$	3,579	$	(315)	$	368,456

Schedule of Cost and Estimated Fair Value of Available-for-sale Securities by Contractual Maturity

The cost and estimated fair value of available-for-sale securities by contractual maturities were as follows (in thousands):

	September 25, 2021				March 27, 2021
	Amortized		Estimated		Amortized		Estimated
	Cost		Fair Value		Cost		Fair Value
Within 1 year	$	8,074	$	8,152	$	54,895	$	55,698
After 1 year	67,646		67,726		310,297		312,758
Total	$	75,720	$	75,878	$	365,192	$	368,456