Condensed Consolidated Balance Sheets (USD $) In Thousands	Oct. 02, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 174,278	$ 126,173
Short-term investments	146,781	144,564
Accounts receivable, net	218,653	226,731
Inventories	135,963	127,394
Deferred income taxes	21,020	19,332
Prepaid expenses and other current assets	29,919	23,850
Total current assets	726,614	668,044
Property and equipment, net	16,079	17,503
Intangibles, net	22,034	6,241
Goodwill	85,944	74,198
Other non-current assets	13,617	14,335
Total assets	864,288	780,321
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	75,672	89,155
Accrued employee compensation	23,190	24,130
Other accrued liabilities	107,826	110,413
Deferred revenue	23,934	27,538
Income taxes payable		3,487
Total current liabilities	230,622	254,723
Non-current income taxes payable	18,685	19,719
Other non-current liabilities	5,150	5,443
Total liabilities	254,457	279,885
Commitments and contingencies (Note 13)
Stockholders' equity:
Common stock	38	36
Additional paid-in capital	358,162	316,108
Cumulative other comprehensive income (loss)	(14)	281
Retained earnings	251,645	184,011
Total stockholders' equity	609,831	500,436
Total liabilities and stockholders' equity	$ 864,288	$ 780,321