Income Taxes (Tables)

12 Months Ended

Mar. 30, 2019

Income before income taxes consisted of (in thousands):

The provision (benefit) for income taxes consists of (in thousands):



	Fiscal Years Ended
	March 30, 2019			March 31, 2018			March 25, 2017
Current:
U.S.	$	(7,109	)	$	66,082		$	28,940
Non-U.S.	12,428			21,812			7,234
Total current tax provision	$	5,319		$	87,894		$	36,174
Deferred:
U.S.	5,441			19,309			2,576
Non-U.S.	(7,007		)	(4,099		)	15,088
Total deferred tax provision	(1,566		)	15,210			17,664
Total tax provision	$	3,753		$	103,104		$	53,838

The effective income tax rates differ from the rates computed by applying the statutory federal rate to pretax income as follows (in percentages):



	Fiscal Years Ended
	March 30, 2019		March 31, 2018		March 25, 2017
U.S. federal statutory rate	21.0		31.6		35.0
Foreign income taxed at different rates	(2.9	)	(9.6	)	(8.7	)
Transition tax on deferred foreign income	(11.8	)	20.3		—
Remeasurement of U.S. deferred tax balance	(0.1	)	2.3		—
Research and development tax credits	(6.7	)	(2.5	)	(1.8	)
Stock-based compensation	(1.0	)	(4.5	)	(7.3	)
Foreign-derived intangible income deduction	(2.8	)	—		—
Current U.S. tax on foreign earnings	2.2		0.7		0.1
Change in valuation allowance	4.4		—		—
Interest related to unrecognized tax benefits	1.6		—		—
Other	0.1		0.6		(0.2	)
Effective tax rate	4.0		38.9		17.1

Significant components of our deferred tax assets and liabilities as of March 30, 2019 and March 31, 2018 are (in thousands):



	March 30, 2019			March 31, 2018
Deferred tax assets:
Accrued expenses and allowances	$	4,024		$	5,793
Net operating loss carryforwards	2,940			3,646
Research and development tax credit carryforwards	13,111			12,701
Stock-based compensation	14,667			14,156
Other	1,261			2,402
Total deferred tax assets	$	36,003		$	38,698
Valuation allowance for deferred tax assets	(18,588		)	(14,671		)
Net deferred tax assets	$	17,415		$	24,027
Deferred tax liabilities:
Depreciation and amortization	$	8,913		$	9,184
Acquisition intangibles	8,803			13,427
Total deferred tax liabilities	$	17,716		$	22,611
Total net deferred tax assets (liabilities)	$	(301	)	$	1,416

The following table summarizes the changes in the unrecognized tax benefits (in thousands):



	March 30, 2019			March 31, 2018
Beginning balance	$	55,164		$	30,858
Additions based on tax positions related to the current year	2,204			26,602
Reductions based on tax positions related to the prior years	(17,622		)	(2,296		)
Ending balance	$	39,746		$	55,164