Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
Oct. 01, 2011	Oct. 02, 2010
Cash flows from operating activities:
Net income	$ 295,821	$ 255,159
Adjustments to reconcile net income to net cash provided by operating activities:
Provisions for doubtful accounts on accounts receivable	2,267	1,414
Provisions on inventory	7,477	7,309
Stock-based compensation	20,645	18,558
Deferred income taxes	(7,072)	(4,669)
Depreciation	27,267	25,897
Amortization of intangibles	22,778	19,621
Change in operating assets and liabilities:
Decrease (increase) in accounts receivable	10,040	(20,713)
Increase in inventories	(46,235)	(35,771)
Decrease (increase) in other current assets	4,532	(1,325)
Increase in other assets	(4,023)	(1,256)
(Decrease) increase in accounts payable and other current liabilities	(11,937)	36,311
Increase in deferred revenue and customer advances	20,970	23,335
Increase (decrease) in other liabilities	4,782	(101)
Net cash provided by operating activities	347,312	323,769
Cash flows from investing activities:
Additions to property, plant, equipment and software capitalization	(51,344)	(47,277)
Business acquisitions, net of cash acquired	(11,000)
Purchase of short-term investments	(1,297,497)	(924,727)
Maturity of short-term investments	1,165,127	639,567
Net cash used in investing activities	(194,714)	(332,437)
Cash flows from financing activities:
Proceeds from debt issuances	558,199	315,116
Payments on debt	(352,676)	(154,645)
Payments of debt issuance costs	(4,523)	(1,498)
Proceeds from stock plans	45,687	26,850
Purchase of treasury shares	(297,985)	(244,893)
Excess tax benefit related to stock option plans	15,316	5,149
Payments of debt swaps and other derivative contracts	(1,971)	(4,968)
Net cash used in financing activities	(37,953)	(58,889)
Effect of exchange rate changes on cash and cash equivalents	783	(10,762)
Increase (decrease) in cash and cash equivalents	115,428	(78,319)
Cash and cash equivalents at beginning of period	308,498	341,111
Cash and cash equivalents at end of period	$ 423,926	$ 262,792

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274