Income Taxes (Tables)

12 Months Ended

Jan. 29, 2017

Income Tax Disclosure [Abstract]

Schedule of regional (income) loss before income taxes

The Company's regional income before income taxes is as follows:

	Fiscal Year Ended
(in thousands)	January 29, 2017			January 31, 2016			January 25, 2015
Domestic	$	(19,602	)	$	(5,636	)	$	(33,540	)
Foreign	92,662			26,015			70,035
Total	$	73,060		$	20,379		$	36,495

Schedule of components of income tax expense

The provision for taxes consists of the following:

	Fiscal Year Ended
(in thousands)	January 29, 2017		January 31, 2016			January 25, 2015
Current tax provision
Federal	$	—	$	—		$	749
State	—		—			—
Foreign	16,034		8,709			7,810
Subtotal	16,034		8,709			8,559
Deferred tax provision (benefit)
Federal	107		6,679			508
State	—		(96		)	(100		)
Foreign	2,258		(6,410		)	(419		)
Subtotal	2,365		173			(11		)
Provision for taxes	$	18,399	$	8,882		$	8,548

Schedule of income tax reconciliation

The provision for taxes reconciles to the amount computed by applying the statutory federal rate to income before taxes as follows:

	Fiscal Year Ended
(in thousands)	January 29, 2017			January 31, 2016			January 25, 2015
Federal income tax at statutory rate	$	25,571		$	7,133		$	12,775
State income taxes, net of federal benefit	—			(7		)	(100		)
Foreign taxes at rates less than federal rates	(12,074		)	(62		)	(11,960		)
Tax credits generated	(2,864		)	(3,598		)	(5,302		)
Changes in valuation allowance	5,578			1,847			14,284
Non-taxable gain on sale	(2,978		)	—			—
Changes in uncertain tax positions	1,047			1,009			(5,167		)
Deemed dividends	266			276			2,513
Equity compensation	2,553			2,529			2,200
Permanent differences	448			28			(93		)
Deferred tax provision - indefinite life intangibles	—			5,670			—
Triune earn-out	—			(5,670		)	—
Revaluation of deferred tax assets and liabilities	—			334			(432		)
Other	852			(607		)	(170		)
Provision for taxes	$	18,399		$	8,882		$	8,548

Schedule of components of deferred tax assets and deferred tax liabilities

The components of the net deferred income tax assets and liabilities at January 29, 2017 and January 31, 2016 are as follows:

(in thousands)	January 29, 2017			January 31, 2016
Non-current deferred tax asset:
Deferred revenue	$	6,229		$	4,295
Inventory reserve	3,096			2,931
Bad debt reserve	645			521
Accrued service fees	—			238
Research and development charges	—			584
Research credit carryforward	25,770			32,605
NOL carryforward	42,870			38,979
Payroll and related accruals	12,556			8,773
Share-based compensation	5,524			5,006
Foreign pension deferred	727			—
Other deferred assets	5,918			6,281
Valuation allowance	(82,961		)	(77,383		)
Total non-current deferred tax asset	20,374			22,830
Non-current deferred tax liabilities:
Inventory reserve - foreign	—			(515		)
Goodwill and other intangibles	(12,534		)	(16,895		)
Property, plant and equipment	(7,483		)	(3,518		)
Other non-current deferred tax liabilities	(1,745		)	(1,350		)
Total non-current deferred tax liabilities	(21,762		)	(22,278		)
Net deferred tax assets (liabilities)	$	(1,388	)	$	552

Summary of valuation allowance

Changes in the valuation allowance for the three years ended January 29, 2017 are summarized in the table below:

	Fiscal Year Ended
(in thousands)	January 29, 2017		January 31, 2016			January 25, 2015
Beginning balance	$	77,383	$	75,536		$	61,251
Additions	5,578		9,055			14,285
Releases	—		(7,208		)	—
Ending balance	$	82,961	$	77,383		$	75,536

Schedule of gross unrecognized tax benefits

A reconciliation of the beginning and ending amount of gross unrecognized tax benefits (before federal impact of state items) is as follows:

	Fiscal Year Ended
(in thousands)	January 29, 2017			January 31, 2016
Beginning balance	$	10,567		$	9,888
Additions based on tax positions related to the current year	1,005			1,454
Reductions for tax positions of prior years, net	(120		)	(775		)
Ending balance	$	11,452		$	10,567

Schedule of liability for uncertain tax positions

The liability for UTP is reflected on the consolidated balance sheets as follows:

	Fiscal Year Ended
(in thousands)	January 29, 2017		January 31, 2016
Deferred tax assets - non-current	$	9,309	$	9,297
Accrued liabilities	—		—
Other long-term liabilities	2,143		1,270
Total accrued taxes	$	11,452	$	10,567