CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 29, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 55,886	$ 64,740
Investments and marketable securities	389,799	324,140
Accounts receivable, net	170,856	168,732
Inventories, net	109,149	123,357
Deferred income taxes	13,190	13,484
Income taxes receivable	7,481	0
Prepaid expenses and other current assets	16,246	16,410
Total current assets	762,607	710,863
Property and equipment at cost, less accumulated depreciation and amortization	101,737	101,349
Long-term deferred income taxes	0	2,602
Goodwill	94,942	94,942
Other intangibles, net	35,425	39,151
Long-term investments and marketable securities	8,353	5,195
Other assets	15,491	13,646
Total assets	1,018,555	967,748
Current liabilities:
Accounts payable	31,945	23,045
Accrued liabilities	50,584	57,234
Deferred revenue	12,416	13,326
Income taxes payable	6,870	1,609
Total current liabilities	101,815	95,214
Long-term deferred tax liability	1,544	0
Deferred rent	1,332	1,303
Other long-term liabilities	17,285	14,229
Total liabilities	121,976	110,746
Stockholders' equity:
Preferred Stock	0	0
Class A Common Stock	722	722
Additional paid-in capital	137,342	139,523
Treasury stock	(654,518)	(641,438)
Retained earnings	1,422,628	1,368,520
Accumulated other comprehensive loss	(9,595)	(10,325)
Total stockholders' equity	896,579	857,002
Total liabilities and stockholders' equity	$ 1,018,555	$ 967,748