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Income Taxes - Reconciliation of Effective Income Tax Rate (Details)
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]      
Statutory federal rate (35.00%) (35.00%) (35.00%)
State taxes, net (7.00%) 7.00% (6.00%)
Research and development credits (1.00%) (2.00%) (2.00%)
Stock compensation 3.00% 3.00% 1.00%
Foreign rate differential 28.00% 15.00% 12.00%
Foreign dividends 1.00% (0.00%) 5.00%
Foreign withholding taxes 0.00% (9.00%) (3.00%)
Other permanent (0.00%) 3.00% 4.00%
Goodwill impairment (0.00%) (0.00%) 4.00%
Valuation allowance (73.00%) 17.00% 46.00%
Change in uncertain tax benefit accrual 1.00% 5.00% (8.00%)
Stock compensation adoption (8.00%) (0.00%) (0.00%)
Tax rate change 93.00% (0.00%) 3.00%
Other (1.00%) 1.00% (1.00%)
Effective income tax rate 1.00% 23.00% 26.00%