Income Taxes (Tables)

12 Months Ended

Dec. 29, 2019

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax

The components of our loss from continuing operations before income taxes are as follows (in thousands):

	Fiscal year ended
	December 29, 2019			December 30, 2018			December 31, 2017
U.S.	$	(69,903	)	$	(144,987	)	$	(56,808	)
Foreign	(9,263		)	(24,853		)	(43,097		)
Loss from continuing operations before income taxes	$	(79,166	)	$	(169,840	)	$	(99,905	)

Schedule of Components of Income Tax Expense (Benefit)

The components of our provision (benefit) for income taxes are as follows (in thousands):

	Fiscal year ended
	December 29, 2019			December 30, 2018			December 31, 2017
Current (benefit) provision:
U.S.:
Federal	$	(13	)	$	449		$	(23,781	)
State	232			251			390
Foreign	15,213			3,307			2,214
Total current provision (benefit)	15,432			4,007			(21,177		)
Deferred provision (benefit):
U.S.:
Federal	154			(2,841		)	(5,098		)
State	143			(663		)	(93		)
Foreign	(2,761		)	(1,039		)	(8,600		)
Total deferred benefit	(2,464		)	(4,543		)	(13,791		)
Total provision (benefit) for income taxes	$	12,968		$	(536	)	$	(34,968	)

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the statutory U.S. federal income tax rate to our effective income tax rate for continuing operations is as follows:

	Fiscal year ended
	December 29, 2019		December 30, 2018		December 31, 2017
Income tax benefit at statutory rate	21.0	%	21.0	%	35.0	%
State income taxes	2.2	%	3.8	%	1.5	%
Change in valuation allowance	(18.3	)%	(22.9	)%	(3.5	)%
CVR fair market value adjustment	0.1	%	—	%	(1.9	)%
Foreign income tax rate differential	(17.9	)%	(0.6	)%	(6.1	)%
Changes in tax reserves	(0.3	)%	0.4	%	2.9	%
Effects of U.S. tax reform	—	%	—	%	6.5	%
Foreign rate changes	—	%	—	%	1.7	%
U.S. R&D tax credit	2.0	%	0.7	%	0.6	%
Nondeductible compensation	(3.2	)%	(0.7	)%	(1.0	)%
Other, net	(2.0	)%	(1.4	)%	(0.7	)%
Total	(16.4	)%	0.3	%	35.0	%

Schedule of Deferred Tax Assets and Liabilities

The significant components of our deferred income taxes as of December 29, 2019 and December 30, 2018 are as follows (in thousands):

	December 29, 2019			December 30, 2018
Deferred tax assets:
Net operating loss carryforwards	$	340,451		$	330,589
General business credit carryforwards	16,131			14,598
Reserves and allowances	50,278			56,675
Deferred interest	42,016			27,322
Share-based compensation expense	12,638			14,934
Convertible debt notes and conversion options	15,272			38,368
Other	3,857			3,616
Valuation allowance	(423,037		)	(400,171		)
Total deferred tax assets	57,606			85,931
Deferred tax liabilities:
Depreciation	5,025			5,095
Intangible assets	50,156			58,221
Convertible notes bond hedges	11,493			34,653
Other	304			166
Total deferred tax liabilities	66,978			98,135
Net deferred tax liabilities	$	(9,372	)	$	(12,204	)

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):

	Fiscal year ended
	December 29, 2019			December 30, 2018
Balance at beginning of fiscal year	$	4,610		$	6,025
Additions from acquisitions	—			109
Additions for tax positions related to current year	473			385
Additions for tax positions of prior years	172			718
Reductions for tax positions of prior years	(290		)	(490		)
Settlements	(406		)	(1,983		)
Foreign currency translation	(48		)	(154		)
Balance at end of fiscal year	$	4,511		$	4,610