v2.3.0.11
Condensed Consolidated Statements Of Cash Flows (USD $)
In Thousands
 6 Months Ended
Jul. 03, 2011
Jun. 27, 2010
Cash flows from operating activities:    
Net income $ 41,786 $ 24,192
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 7,453 6,414
Purchase premium amortization (discount accretion) on investments 390 (73)
Non-cash stock-based compensation 6,880 6,264
Income tax benefit associated with stock option exercises 3,157 1,947
Excess tax benefit from stock-based compensation (3,330) (1,866)
Deferred income taxes 482 (846)
Changes in assets and liabilities, net of effect of acquisitions:    
Accounts receivable 16,771 24,123
Inventories (4,105) (35,097)
Prepaid expenses and other assets (12,579) (1,437)
Accounts payable (16,779) (26,744)
Accrued employee compensation (4,454) 3,776
Other accrued liabilities (8,567) 2,211
Deferred revenue (4,695) (4,701)
Income taxes payable (2,446) (3,130)
Net cash provided by (used in) operating activities 19,964 (4,967)
Cash flows from investing activities:    
Purchases of short-term investments (135,949) (90,090)
Proceeds from sale of short-term investments 131,690 45,000
Purchase of property and equipment (3,920) (3,379)
Loan issued   (3,030)
Payments made in connection with business acquisitions (37,509) (12,000)
Net cash used in investing activities (45,688) (63,499)
Cash flows from financing activities:    
Purchase and retirement of treasury stock (899) (656)
Proceeds from exercise of stock options 25,834 5,452
Proceeds from issuance of common stock under employee stock purchase plan 709 542
Excess tax benefit from stock-based compensation 3,330 1,866
Net cash provided by financing activities 28,974 7,204
Net increase (decrease) in cash and cash equivalents 3,250 (61,262)
Cash and cash equivalents, at beginning of period 126,173 172,202
Cash and cash equivalents, at end of period $ 129,423 $ 110,940