Income Taxes (Tables)

12 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Summary of Income Before Income Taxes

Income before income taxes consisted of (in thousands):

	Fiscal Years Ended
	March 31, 2018		March 25, 2017		March 26, 2016
U.S.	$	91,220	$	137,654	$	108,133
Non-U.S.	173,879		177,393		67,856
	$	265,099	$	315,047	$	175,989

Summary of Provision (Benefit) for Income Taxes

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

	Fiscal Years Ended
	March 31, 2018			March 25, 2017		March 26, 2016
Current:
U.S.	$	66,082		$	28,940	$	28,313
Non-U.S.	21,812			7,234		703
Total current tax provision	$	87,894		$	36,174	$	29,016
Deferred:
U.S.	19,309			2,576		18,242
Non-U.S.	(4,099		)	15,088		5,101
Total deferred tax provision	15,210			17,664		23,343
Total tax provision	$	103,104		$	53,838	$	52,359

Summary of Provision (Benefit) for Income Taxes, Statutory Federal Rate Pretax Income Reconciliation

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 31, 2018		March 25, 2017		March 26, 2016
U.S. federal statutory rate	31.6		35.0		35.0
Foreign income taxed at different rates	(8.9	)	(8.6	)	(0.6	)
Transition tax on deferred foreign income	20.3		—		—
Remeasurement of U.S. deferred tax balance	2.3		—		—
Research and development tax credits	(2.5	)	(1.8	)	(5.6	)
Stock based compensation	(4.5	)	(7.3	)	—
Other	0.6		(0.2	)	1.0
Effective tax rate	38.9		17.1		29.8

Significant Components of Deferred Tax Assets and Liabilities

Significant components of our deferred tax assets and liabilities as of March 31, 2018 and March 25, 2017 are (in thousands):

	March 31, 2018			March 25, 2017
Deferred tax assets:
Accrued expenses and allowances	$	5,793		$	9,002
Net operating loss carryforwards	3,646			6,294
Research and development tax credit carryforwards	12,701			13,977
Stock based compensation	14,156			17,356
Other	2,402			9,141
Total deferred tax assets	$	38,698		$	55,770
Valuation allowance for deferred tax assets	(14,671		)	(12,570		)
Net deferred tax assets	$	24,027		$	43,200
Deferred tax liabilities:
Depreciation and amortization	$	9,184		$	13,837
Acquisition intangibles	13,427			16,301
Total deferred tax liabilities	$	22,611		$	30,138
Total net deferred tax assets	$	1,416		$	13,062

Reconciliation of Unrecognized Tax Benefits

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

	March 31, 2018			March 25, 2017
Beginning balance	$	30,858		$	18,796
Additions based on tax positions related to the current year	26,602			12,127
Reductions based on tax positions related to the prior years	(2,296		)	(65		)
Ending balance	$	55,164		$	30,858