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v2.4.0.8

Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jul. 01, 2012
Cash flows from operating activities: |  |
Net income | $ 32,403 | $ 34,049
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Stock-based compensation expense | 6,079 | 5,303
Depreciation of property, plant, and equipment | 3,596 | 3,180
Amortization of intangible assets | 1,921 | 2,086
Amortization of discounts or premiums on investments | 1,443 | 3,582
Realized gain on sale of investments | (83) | (1,071)
Tax effect of stock option exercises | (2,773) | (2,969)
Change in deferred income taxes | (1,748) | (1,076)
Unrealized loss on trading securities | 462 |
Change in operating assets and liabilities | (2,325) | (2,912)
Net cash provided by operating activities | 38,975 | 40,172
Cash flows from investing activities: |  |
Purchases of investments | (167,652) | (109,104)
Maturities and sales of investments | 129,329 | 242,952
Purchases of property, plant, and equipment | (4,310) | (5,304)
Net cash provided by (used in) investing activities | (42,633) | 128,544
Cash flows from financing activities: |  |
Issuance of common stock under stock option plans | 16,242 | 13,929
Repurchase of common stock | (11,891) |
Payment of dividends |  | (8,985)
Tax effect of stock option exercises | 2,773 | 2,969
Net cash provided by financing activities | 7,124 | 7,913
Effect of foreign exchange rate changes on cash and cash equivalents | (752) | (8,740)
Net change in cash and cash equivalents | 2,714 | 167,889
Cash and cash equivalents at beginning of period | 45,160 | 38,103
Cash and cash equivalents at end of period | $ 47,874 | $ 205,992

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- Definition The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment 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 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition 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 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: 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 Reference 3: 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=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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