Balance Sheet Details (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jan. 02, 2016
Property and Equipment
Property and equipment, gross	$ 227,553	$ 217,163
Accumulated depreciation	(97,994)	(86,031)
Property, Plant and Equipment, Net, Total	129,559	131,132
Accounts receivable, net
Accounts receivable	75,035	74,272
Allowance for doubtful accounts	(634)	(671)
Accounts receivable, net	74,401	73,601
Inventories
Work in progress	40,755	36,774
Finished goods	18,823	17,121
Total inventories	59,578	53,895
Prepaid Expenses and Other Current Assets
Distributor Advances	40,205	36,743
Other	21,600	15,915
Prepaid expenses and other current assets	61,805	52,658
Accrued Expenses
Accrued compensation and benefits	28,781	27,304
Other	21,319	24,827
Accrued Liabilities, Current, Total	50,100	52,131
Other Non-current Liabilities
Software license accruals	14,436	1,107
Deferred tax liabilities	13,119	13,741
Other	15,136	25,680
Other non-current liabilities	42,691	40,528
Buildings and improvements
Property and Equipment
Property and equipment, gross	94,977	94,607
Equipment
Property and Equipment
Property and equipment, gross	57,677	55,072
Computers and purchased software
Property and Equipment
Property and equipment, gross	35,492	29,663
Leasehold interest in ground leases
Property and Equipment
Property and equipment, gross	23,840	23,840
Furniture and fixtures
Property and Equipment
Property and equipment, gross	5,484	4,777
Leasehold improvements
Property and Equipment
Property and equipment, gross	$ 10,083	$ 9,204