Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Results of Operations, Income before Income Taxes [Abstract]
Domestic	$ (92,989)	$ 6,292	$ 6,293
Foreign	(33,464)	36,649	20,193
(Loss) income before income taxes and equity in net loss of an unconsolidated affiliate	(126,453)	42,941	26,486
Current:
Federal	968	329	251
State	80	5	(527)
Foreign	10,634	1,944	1,616
Current income tax (provision) benefit	11,682	2,278	1,340
Deferred:
Federal	18,713	(7,416)	2,549
State	2,318	(513)	342
Foreign	(173)	12	(66)
Deferred income tax (provision) benefit	20,858	(7,917)	2,825
Income tax expense (benefit)	$ 32,540	$ (5,639)	$ 4,165
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Statutory federal rate	(35.00%)	35.00%	35.00%
State taxes, net	(6.00%)	1.00%	2.00%
Research and development credits	(3.00%)	(9.00%)	(11.00%)
Stock compensation	1.00%	1.00%	3.00%
Foreign rate differential	12.00%	(25.00%)	(20.00%)
Foreign dividends	5.00%	1.00%	0.00%
Foreign withholding taxes	3.00%	0.00%	0.00%
Capital loss expiration	(0.00%)	7.00%	2.00%
Other permanent	4.00%	0.00%	0.00%
Goodwill impairment	4.00%	0.00%	0.00%
Valuation allowance	46.00%	(23.00%)	6.00%
Change in uncertain tax benefit accrual	(8.00%)	1.00%	(1.00%)
Tax rate change	3.00%	(4.00%)	(1.00%)
Other	0.00%	2.00%	1.00%
Effective income tax rate	26.00%	(13.00%)	16.00%