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v2.4.1.9

Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Cash Flows from Operating Activities: |  |
Net income | $ 46,578 us-gaap_ProfitLoss | $ 46,593 us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash (used) provided by operating activities: |  |
Depreciation and amortization | 16,154 us-gaap_DepreciationDepletionAndAmortization | 13,394 us-gaap_DepreciationDepletionAndAmortization
Gain on disposal of property and equipment | (33)us-gaap_GainLossOnSaleOfPropertyPlantEquipment | (18)us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Amortization on marketable securities, net | 91 us-gaap_AmortizationOfDebtDiscountPremium |
Increase (decrease) in deferred compensation liability | 58 us-gaap_IncreaseDecreaseInDeferredCompensation | (86)us-gaap_IncreaseDecreaseInDeferredCompensation
Provision for uncollectible accounts | 509 us-gaap_ProvisionForDoubtfulAccounts | 451 us-gaap_ProvisionForDoubtfulAccounts
Provision for (benefit of) deferred income taxes | 565 us-gaap_DeferredIncomeTaxExpenseBenefit | (835)us-gaap_DeferredIncomeTaxExpenseBenefit
Share-based compensation expense | 4,652 us-gaap_ShareBasedCompensation | 4,108 us-gaap_ShareBasedCompensation
Tax benefit from share-based compensation arrangements | (7,713)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | (6,747)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities
Changes in assets and liabilities: |  |
Accounts receivable | (51,438)us-gaap_IncreaseDecreaseInAccountsReceivable | (21,707)us-gaap_IncreaseDecreaseInAccountsReceivable
Inventories | (10,142)us-gaap_IncreaseDecreaseInInventories | 2,200 us-gaap_IncreaseDecreaseInInventories
Other assets | 15,479 us-gaap_IncreaseDecreaseInOtherOperatingAssets | 1,312 us-gaap_IncreaseDecreaseInOtherOperatingAssets
Accounts payable | (4,332)us-gaap_IncreaseDecreaseInAccountsPayableTrade | 1,857 us-gaap_IncreaseDecreaseInAccountsPayableTrade
Accrued liabilities | (26,225)us-gaap_IncreaseDecreaseInAccruedLiabilities | (10,231)us-gaap_IncreaseDecreaseInAccruedLiabilities
Deferred revenue | 1,153 us-gaap_IncreaseDecreaseInDeferredRevenue | 3,227 us-gaap_IncreaseDecreaseInDeferredRevenue
Net cash (used) provided by operating activities | (14,644)us-gaap_NetCashProvidedByUsedInOperatingActivities | 33,518 us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash Flows from Investing Activities: |  |
Purchases of property and equipment | (23,017)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (11,298)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchase of marketable securities | (140,448)us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt |
Proceeds from the sale and maturities of marketable securities | 3,228 us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt |
Acquisitions of a businesses, net of cash acquired | (383)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | (1,161)us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Acquisition of intangible asset |  | (175)us-gaap_PaymentsToAcquireIntangibleAssets
Net cash used by investing activities | (160,620)us-gaap_NetCashProvidedByUsedInInvestingActivities | (12,634)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash Flows from Financing Activities: |  |
Borrowings on revolving credit facilities, net | 500 us-gaap_ProceedsFromRepaymentsOfOtherDebt | 38,000 us-gaap_ProceedsFromRepaymentsOfOtherDebt
Debt issue costs | (90)us-gaap_DebtIssuanceCosts | (139)us-gaap_DebtIssuanceCosts
Payment of notes payable |  | (253)us-gaap_RepaymentsOfSecuredDebt
Issuance of long term debt | 150,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt |
Repurchases of common stock | (133,647)us-gaap_PaymentsForRepurchaseOfCommonStock | (70,279)us-gaap_PaymentsForRepurchaseOfCommonStock
Proceeds from exercises of stock options and employee stock purchase plans | 12,325 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions | 10,964 us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
Tax benefit from share-based compensation arrangements | 7,713 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 6,747 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Net cash provided (used) by financing activities | 36,801 us-gaap_NetCashProvidedByUsedInFinancingActivities | (14,960)us-gaap_NetCashProvidedByUsedInFinancingActivities
Net effect of changes in exchange rates on cash | (1,913)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents | 1,221 us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
Net (decrease) increase in cash and cash equivalents | (140,376)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 7,145 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period | 322,536 us-gaap_CashAndCashEquivalentsAtCarryingValue | 279,058 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period | $ 182,160 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 286,203 us-gaap_CashAndCashEquivalentsAtCarryingValue

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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The net cash inflow or outflow in other borrowings not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow associated with the sale of debt securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + 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 (a) -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 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Article 5 + Details
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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities 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 (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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