Balance Sheet Components (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Inventories:
Raw materials	$ 17,491	$ 26,589
Finished goods	15,718	12,886
Inventories	33,209	39,475
Property, plant and equipment:
Computer equipment and related software	537,144	503,543
Buildings	127,478	126,023
Land	55,840	55,785
Leasehold, building and land improvements	106,173	95,040
Furniture and fixtures	27,590	23,580
Equipment	50,340	44,119
In-process capital assets	5,154	3,478
Total cost	909,719	851,568
Less: Accumulated depreciation and amortization	(658,377)	(612,961)
Property, plant and equipment, net	251,342	238,607	$ 228,599
Other assets:
Deferred income taxes	152,501	256,547
Other long-term assets	77,800	55,193
Other assets	230,301	311,740
Accounts payable and accrued liabilities:
Payroll and payroll-related accruals	164,310	174,936
Accounts payable	4,825	4,367
Income taxes payable - current	3,936	18,382
Accrued operating liabilities	48,030	41,811
Accounts payable and accrued liabilities	$ 221,101	$ 239,496