Balance Sheet Components (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Inventories:
Raw materials	$ 26,589	$ 40,499
Finished goods	12,886	16,263
Inventories	39,475	56,762
Property, plant and equipment:
Computer equipment and related software	503,543	471,842
Buildings	126,023	126,156
Land	55,785	55,898
Leasehold, building and land improvements	95,040	90,400
Furniture and fixtures	23,580	21,847
Equipment	44,119	42,274
In-process capital assets	3,478	1,527
Total cost	851,568	809,944
Less: Accumulated depreciation and amortization	(612,961)	(581,345)
Property, plant and equipment, net	238,607	228,599	$ 230,112
Other assets:
Deferred income taxes	256,547	245,651
Other long-term assets	55,193	54,278
Other assets	311,740	299,929
Accounts payable and accrued liabilities:
Payroll and payroll-related accruals	174,936	155,592
Accounts payable	4,367	25,152
Income taxes payable - current	18,382	11,024
Accrued operating liabilities	41,811	46,254
Accounts payable and accrued liabilities	$ 239,496	$ 238,022