Balance Sheet Components (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Inventories:
Raw materials	$ 24,247	$ 23,109
Finished goods	18,996	15,925
Inventories	43,243	39,034
Prepaid Expenses and Other:
Prepaid expenses and other	50,540	42,605
Litigation-related receivables	1,750	24,200
Deferred income taxes	11,926	11,550
Prepaid expenses and other	64,216	78,355
Property, Plant and Equipment:
Computer equipment and related software	557,473	552,105
Buildings	127,394	128,569
Land	61,208	61,211
Leasehold and building improvements	77,006	78,478
Furniture and fixtures	43,418	43,884
Equipment	47,831	68,129
Assets not ready to be placed in service	7,177	1,415
Total cost	921,507	933,791
Less: Accumulated depreciation and amortization	(658,990)	(648,676)
Property, plant and equipment, net	262,517	285,115	311,502
Other Assets:
Deferred income taxes	5,232	6,757
Non-qualified deferred compensation assets	23,889	28,609
Non-marketable securities	10,460	9,274
Other long-term assets	18,458	31,273
Other assets	58,039	75,913
Accounts Payable and Accrued Liabilities:
Payroll and payroll-related accruals	108,701	96,452
Accounts payable	3,231	5,813
Income taxes payable - current	6,488	9,710
Accrued litigation charges	1,750	40,000
Accrued operating liabilities	45,621	64,889
Accounts payable and accrued liabilities	165,791	216,864
Other Long-term Liabilities:
Income taxes payable - long-term	71,218	76,634
Non-qualified deferred compensation liability	24,057	28,738
Installment contract liabilities	3,028	8,612
Long-term acquisition-related holdbacks and payments	3,872	1,966
Other long-term liabilities	26,719	19,949
Other Long Term Liabilities	$ 128,894	$ 135,899