Fair Value of Financial Instruments (Tables)

12 Months Ended

Mar. 30, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Financial Assets and Liabilities

The following summarizes the fair value of our financial instruments at March 30, 2019 (in thousands):

	Quoted Prices in Active Markets for Identical Assets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3		Total
Assets:
Cash equivalents
Money market funds	$	216,172	$	—	$	—	$	216,172
Available-for-sale securities
Corporate debt securities	$	—	$	215,525	$	—	$	215,525
Non-US government securities	—		13,177		—		13,177
Agency discount notes	—		449		—		449
	$	—	$	229,151	$	—	$	229,151

The following summarizes the fair value of our financial instruments, exclusive of pension plan assets detailed in Note 9, at March 31, 2018 (in thousands):

	Quoted Prices in Active Markets for Identical Assets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3		Total
Assets:
Cash equivalents
Money market funds	$	211,891	$	—	$	—	$	211,891
Available-for-sale securities
Corporate debt securities	$	—	$	183,322	$	—	$	183,322
Non-US government securities	—		14,619		—		14,619
Certificates of deposit	—		500		—		500
Agency discount notes	—		455		—		455
	$	—	$	198,896	$	—	$	198,896

Schedule of Fair Value of Financial Instruments Contingent Consideration

The following summarizes the fair value of the contingent consideration at March 31, 2018:

	Maximum Value if Milestones Achieved (in thousands)	Estimated Discount Rate (%)	Fair Value (in thousands)
Tranche B — 30 month earn out period	5,000	7.7	—

Schedule of Fair Value of Contingent Consideration Rollforward

	Fiscal Year Ended
	March 31, 2018
	(in thousands)
Beginning balance	$	4,695
Adjustment to estimates (research and development expense)	(4,328		)
Payout of Tranche B contingent consideration	(392		)
Fair value charge recognized in earnings (research and development expense)	25
Ending balance	$	—