$NTCT
NETSCOUT SYSTEMS INC Stock $ntct

$ntct Overview Financials Valuation SEC Filings Company Website

2014 Form 10-K Financial Statement

#000144530514002259 Filed on May 20, 2014

Income Statement

Concept	2014	2013 Q1	2013
Revenue	$396.6M	$98.08M	$350.6M
YoY Change	13.15%	9.63%	13.56%
Cost Of Revenue	$84.51M	$21.00M	$74.01M
YoY Change	14.19%	10.53%	12.69%
Gross Profit	$312.1M	$77.04M	$276.5M
YoY Change	12.87%	9.27%	13.8%
Gross Profit Margin	78.69%	78.55%	78.89%
Selling, General & Admin	$160.2M	$37.50M	$146.5M
YoY Change	9.36%	4.75%	6.87%
% of Gross Profit	51.34%	48.68%	52.98%
Research & Development	$70.45M	$16.90M	$61.55M
YoY Change	14.47%	26.12%	24.39%
% of Gross Profit	22.57%	21.94%	22.26%
Depreciation & Amortization	$18.26M	$3.700M	$17.46M
YoY Change	4.56%	-15.91%	4.94%
% of Gross Profit	5.85%	4.8%	6.32%
Operating Expenses	$234.1M	$55.20M	$212.0M
YoY Change	10.43%	10.84%	11.98%
Operating Profit	$78.01M	$21.84M	$64.53M
YoY Change	20.9%	5.48%	20.2%
Interest Expense	$768.0K	-$100.0K	$1.291M
YoY Change	-40.51%	-50.0%	-26.9%
% of Operating Profit	0.98%	-0.46%	2.0%
Other Income/Expense, Net	-$158.0K	-$100.0K	-$793.0K
YoY Change	-80.08%	0.0%	-71.32%
Pretax Income	$80.52M	$21.60M	$66.74M
YoY Change	20.65%	7.46%	34.75%
Income Tax	$28.75M	$7.100M	$23.13M
% Of Pretax Income	35.71%	32.87%	34.65%
Net Earnings	$49.11M	$14.55M	$40.61M
YoY Change	20.92%	12.4%	25.23%
Net Earnings / Revenue	12.38%	14.84%	11.58%
Basic Earnings Per Share	$1.19		$0.97
Diluted Earnings Per Share	$1.17	$0.34	$0.96
COMMON SHARES
Basic Shares Outstanding	41.37M shares	41.61M shares	41.67M shares
Diluted Shares Outstanding	41.96M shares		42.32M shares

Balance Sheet

Concept	2014	2013 Q1	2013
SHORT-TERM ASSETS
Cash & Short-Term Investments	$177.3M	$137.3M	$137.3M
YoY Change	29.13%	-30.27%	-30.27%
Cash & Equivalents	$102.1M	$99.93M	$99.90M
Short-Term Investments	$75.20M	$37.30M	$37.30M
Other Short-Term Assets	$27.30M	$18.60M	$18.60M
YoY Change	46.77%	78.85%	78.85%
Inventory	$12.60M	$7.563M	$7.600M
Prepaid Expenses
Receivables	$60.50M	$73.90M	$73.90M
Other Receivables	$1.000M	$0.00	$0.00
Total Short-Term Assets	$278.8M	$237.3M	$237.3M
YoY Change	17.49%	-18.08%	-18.09%
LONG-TERM ASSETS
Property, Plant & Equipment	$23.10M	$19.68M	$19.70M
YoY Change	17.26%	19.57%	19.39%
Goodwill		$202.5M
YoY Change		18.82%
Intangibles		$63.83M
YoY Change		16.72%
Long-Term Investments	$41.50M	$16.80M	$16.80M
YoY Change	147.02%	1.2%	1.2%
Other Assets	$2.500M	$2.872M	$12.10M
YoY Change	-79.34%	43.03%	-39.2%
Total Long-Term Assets	$329.0M	$314.9M	$314.9M
YoY Change	4.48%	13.23%	13.23%
TOTAL ASSETS
Total Short-Term Assets	$278.8M	$237.3M	$237.3M
Total Long-Term Assets	$329.0M	$314.9M	$314.9M
Total Assets	$607.8M	$552.2M	$552.2M
YoY Change	10.07%	-2.74%	-2.75%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$11.50M	$10.16M	$10.20M
YoY Change	12.75%	34.78%	36.0%
Accrued Expenses	$41.20M	$39.60M	$39.60M
YoY Change	4.04%	35.15%	35.15%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$163.0M	$145.2M	$145.2M
YoY Change	12.26%	8.26%	8.28%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change		-100.0%	-100.0%
Other Long-Term Liabilities	$32.90M	$2.249M	$34.20M
YoY Change	-3.8%	-4.18%	22.58%
Total Long-Term Liabilities	$32.90M	$2.249M	$34.20M
YoY Change	-3.8%	-96.5%	-61.96%
TOTAL LIABILITIES
Total Short-Term Liabilities	$163.0M	$145.2M	$145.2M
Total Long-Term Liabilities	$32.90M	$2.249M	$34.20M
Total Liabilities	$198.6M	$180.3M	$180.3M
YoY Change	10.15%	-20.02%	-20.01%
SHAREHOLDERS EQUITY
Retained Earnings		$201.5M
YoY Change		25.25%
Common Stock		$49.00K
YoY Change		2.08%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$83.48M
YoY Change		48.99%
Treasury Stock Shares		7.541M shares
Shareholders Equity	$409.2M	$371.9M	$371.9M
YoY Change
Total Liabilities & Shareholders Equity	$607.8M	$552.2M	$552.2M
YoY Change	10.07%	-2.74%	-2.75%

Cashflow Statement

Concept	2014	2013 Q1	2013
OPERATING ACTIVITIES
Net Income	$49.11M	$14.55M	$40.61M
YoY Change	20.92%	12.4%	25.23%
Depreciation, Depletion And Amortization	$18.26M	$3.700M	$17.46M
YoY Change	4.56%	-15.91%	4.94%
Cash From Operating Activities	$110.9M	$28.40M	$95.40M
YoY Change	16.25%	16.39%	39.68%
INVESTING ACTIVITIES
Capital Expenditures	$13.07M	-$3.600M	$11.67M
YoY Change	11.95%	5.88%	5.26%
Acquisitions	$0.00		$51.27M
YoY Change	-100.0%		9.74%
Other Investing Activities	-$62.40M	-$8.300M	-$9.800M
YoY Change	536.73%	72.92%	-147.8%
Cash From Investing Activities	-$76.60M	-$11.90M	-$21.70M
YoY Change	253.0%	45.12%	-335.87%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$34.32M		$27.45M
YoY Change	25.04%		33.28%
Debt Paid & Issued, Net	$0.00		$62.00M
YoY Change	-100.0%		-8.97%
Cash From Financing Activities	-32.00M	-7.500M	-91.00M
YoY Change	-64.84%	341.18%	232.12%
NET CHANGE
Cash From Operating Activities	110.9M	28.40M	95.40M
Cash From Investing Activities	-76.60M	-11.90M	-21.70M
Cash From Financing Activities	-32.00M	-7.500M	-91.00M
Net Change In Cash	2.300M	9.000M	-17.30M
YoY Change	-113.29%	-37.93%	-134.53%
FREE CASH FLOW
Cash From Operating Activities	$110.9M	$28.40M	$95.40M
Capital Expenditures	$13.07M	-$3.600M	$11.67M
Free Cash Flow	$97.83M	$32.00M	$83.73M
YoY Change	16.85%	15.11%	46.35%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2014Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	11541000	USD
CY2013Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	10161000	USD
CY2014Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	60518000	USD
CY2013Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	73900000	USD
CY2014Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	791000	USD
CY2013Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	114000	USD
CY2014Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	66536000	USD
CY2013Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	55790000	USD
CY2013Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	671000	USD
CY2014Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2772000	USD
CY2014	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P10Y1M6D
CY2014Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	273574000	USD
CY2013Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	253202000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	8651000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	12178000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	8887000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	1907000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	2388000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	965000	USD
CY2014	us-gaap	Advertising Expense AdvertisingExpense	2400000	USD
CY2012	us-gaap	Advertising Expense AdvertisingExpense	273000	USD
CY2013	us-gaap	Advertising Expense AdvertisingExpense	1100000	USD
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	12930000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9580000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8702000	USD
CY2014Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	313000	USD
CY2013Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	971000	USD
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3432000	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2877000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2131000	USD
CY2014Q1	us-gaap	Assets Assets	607763000	USD
CY2013Q1	us-gaap	Assets Assets	552176000	USD
CY2014Q1	us-gaap	Assets Current AssetsCurrent	278762000	USD
CY2013Q1	us-gaap	Assets Current AssetsCurrent	237312000	USD
CY2014Q1	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	219162000	USD
CY2013Q1	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	154162000	USD
CY2014Q1	us-gaap	Available For Sale Securities AvailableForSaleSecurities	116718000	USD
CY2013Q1	us-gaap	Available For Sale Securities AvailableForSaleSecurities	54161000	USD
CY2014Q1	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	116693000	USD
CY2013Q1	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	54141000	USD
CY2014Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	41484000	USD
CY2013Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	16823000	USD
CY2014Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	75234000	USD
CY2013Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	37338000	USD
CY2013	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	0.83
CY2012	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	0.25
CY2013	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.82
CY2012	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.25
CY2013	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	34589000	USD
CY2012	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	10594000	USD
CY2013	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	361086000	USD
CY2012	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	338720000	USD
CY2013	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	650000	USD
CY2012	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	900000	USD
CY2014	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-106000	USD
CY2014Q1	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	4291000	USD
CY2013Q1	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	5087000	USD
CY2014	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	12900000	USD
CY2013	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	154000	USD
CY2014	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	124000	USD
CY2012	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	569000	USD
CY2013	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	51000	USD
CY2014	us-gaap	Capitalized Computer Software Amortization CapitalizedComputerSoftwareAmortization	0	USD
CY2014Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	102076000	USD
CY2013Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	99930000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	117255000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	67168000	USD
CY2014Q1	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	102076000	USD
CY2013Q1	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	99930000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	50087000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2146000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-17325000	USD
CY2014Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2014Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2014Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2013Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2013Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	49007491	shares
CY2014Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	49922959	shares
CY2014Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41165784	shares
CY2013Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41466921	shares
CY2014Q1	us-gaap	Common Stock Value CommonStockValue	50000	USD
CY2013Q1	us-gaap	Common Stock Value CommonStockValue	49000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	51207000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	33316000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	41068000	USD
CY2013	us-gaap	Cost Of Goods Sold CostOfGoodsSold	45752000	USD
CY2012	us-gaap	Cost Of Goods Sold CostOfGoodsSold	39271000	USD
CY2014	us-gaap	Cost Of Goods Sold CostOfGoodsSold	51219000	USD
CY2012	us-gaap	Cost Of Revenue CostOfRevenue	65672000	USD
CY2014	us-gaap	Cost Of Revenue CostOfRevenue	84513000	USD
CY2013	us-gaap	Cost Of Revenue CostOfRevenue	74008000	USD
CY2013	us-gaap	Cost Of Services CostOfServices	28256000	USD
CY2012	us-gaap	Cost Of Services CostOfServices	26401000	USD
CY2014	us-gaap	Cost Of Services CostOfServices	33294000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	10585000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	20123000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	15826000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1032000	USD
CY2014	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1174000	USD
CY2013	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1035000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	23557000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13038000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	19127000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1421000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2260000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2266000	USD
CY2014Q1	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	1581000	USD
CY2013Q1	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	1757000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5161000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5347000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5603000	USD
CY2014	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-250000	USD
CY2013	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1481000	USD
CY2012	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-195000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3909000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5437000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5214000	USD
CY2012	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	5452000	USD
CY2014	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	5193000	USD
CY2013	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	4000000	USD
CY2013Q1	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	95055000	USD
CY2014Q1	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	109301000	USD
CY2013Q1	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	25907000	USD
CY2014Q1	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	24639000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	96000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	44000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	320000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	6752000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	8873000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	13089000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	17807000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	43649000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	43689000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	9538000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	15846000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	0	USD
CY2013Q1	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	9211000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	23730000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	26096000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	42100000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	22400000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	71200000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	352000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	233000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	2284000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	3628000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	4400000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2125000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1550000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	5290000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	3954000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	1325000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	1006000	USD
CY2014Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4941000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3795000	USD
CY2014Q1	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	25659000	USD
CY2013Q1	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	21934000	USD
CY2013Q1	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	941000	USD
CY2014Q1	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2757000	USD
CY2012	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	2100000	USD
CY2014	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	2500000	USD
CY2013	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1900000	USD
CY2014	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.5
CY2014	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	0.25
CY2013	us-gaap	Depreciation Depreciation	9800000	USD
CY2014	us-gaap	Depreciation Depreciation	11400000	USD
CY2012	us-gaap	Depreciation Depreciation	9600000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	17464000	USD
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	18260000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	16642000	USD
CY2014Q1	us-gaap	Derivative Assets DerivativeAssets	368000	USD
CY2013Q1	us-gaap	Derivative Assets DerivativeAssets	71000	USD
CY2013	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-239000	USD
CY2014	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	-209000	USD
CY2013	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	148000	USD
CY2014	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	246000	USD
CY2014	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	95000	USD
CY2013	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-404000	USD
CY2014Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	139000	USD
CY2013Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	249000	USD
CY2014	us-gaap	Derivative Remaining Maturity1 DerivativeRemainingMaturity1	P12M
CY2013Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.34
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.97
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.19
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.96
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.17
CY2014Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.12
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.12
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.23
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
CY2013Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.24
CY2013	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	9000	USD
CY2014	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-256000	USD
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-10000	USD
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.369
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.363
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.363
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.004
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.020
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.004
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	-0.024
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	-0.027
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	-0.029
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.001
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.002
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.007
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.006
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.009
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.015
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.036
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.032
CY2014	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.028
CY2014Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	12200000	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.019
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.021
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.021
CY2013Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	31585000	USD
CY2014Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	34901000	USD
CY2013Q1	us-gaap	Fifo Inventory Amount FIFOInventoryAmount	7563000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y8M12D
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1907000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2388000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	965000	USD
CY2014	us-gaap	Extinguishment Of Debt Gain Loss Net Of Tax ExtinguishmentOfDebtGainLossNetOfTax	0	USD
CY2012	us-gaap	Extinguishment Of Debt Gain Loss Net Of Tax ExtinguishmentOfDebtGainLossNetOfTax	-553000	USD
CY2013	us-gaap	Extinguishment Of Debt Gain Loss Net Of Tax ExtinguishmentOfDebtGainLossNetOfTax	0	USD
CY2014Q1	us-gaap	Fifo Inventory Amount FIFOInventoryAmount	12580000	USD
CY2014	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.033
CY2013	us-gaap	Fair Value Inputs Discount Rate FairValueInputsDiscountRate	0.033
CY2013	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	466000	USD
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	303000	USD
CY2013Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	34497000	USD
CY2014Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	41544000	USD
CY2014Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	10803000	USD
CY2014Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	7205000	USD
CY2014Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4112000	USD
CY2014Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	5134000	USD
CY2014Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	6023000	USD
CY2014Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	6636000	USD
CY2013Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	79724000	USD
CY2014Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	81457000	USD
CY2014Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	39913000	USD
CY2013Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	45227000	USD
CY2013	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	3000	USD
CY2014	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	315000	USD
CY2012	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-625000	USD
CY2013	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-104000	USD
CY2012	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-168000	USD
CY2014	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-39000	USD
CY2014	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2012	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-690000	USD
CY2013	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2014	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	30623000	USD
CY2013	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	29718000	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	27488000	USD
CY2013Q1	us-gaap	Goodwill Goodwill	202453000	USD
CY2014Q1	us-gaap	Goodwill Goodwill	203446000	USD
CY2012Q1	us-gaap	Goodwill Goodwill	170384000	USD
CY2013	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	31747000	USD
CY2014	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-665000	USD
CY2013	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	322000	USD
CY2014	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	1658000	USD
CY2012	us-gaap	Gross Profit GrossProfit	243007000	USD
CY2014	us-gaap	Gross Profit GrossProfit	312134000	USD
CY2013	us-gaap	Gross Profit GrossProfit	276542000	USD
CY2012Q4	us-gaap	Gross Profit GrossProfit	72403000	USD
CY2013Q3	us-gaap	Gross Profit GrossProfit	72393000	USD
CY2012Q2	us-gaap	Gross Profit GrossProfit	59498000	USD
CY2013Q2	us-gaap	Gross Profit GrossProfit	64883000	USD
CY2013Q4	us-gaap	Gross Profit GrossProfit	86826000	USD
CY2014Q1	us-gaap	Gross Profit GrossProfit	88032000	USD
CY2013Q1	us-gaap	Gross Profit GrossProfit	77037000	USD
CY2012Q3	us-gaap	Gross Profit GrossProfit	67604000	USD
CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	50918000	USD
CY2014	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	77856000	USD
CY2013	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	63736000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	66735000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	49525000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	80515000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-2999000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1393000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-2659000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	77856000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	50918000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	63736000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	28750000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18490000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23127000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	13163000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	13326000	USD
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	21456000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2195000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1498000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2345000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-82000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-13451000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3997000	USD
CY2013	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	114000	USD
CY2012	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	0	USD
CY2014	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	677000	USD
CY2014	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	12914000	USD
CY2013	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	7595000	USD
CY2012	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	10308000	USD
CY2013	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	10739000	USD
CY2014	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	6734000	USD
CY2012	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	1637000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1433000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6798000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	892000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	0	USD
CY2013	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	0	USD
CY2012	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	389000	USD
CY2014	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2841000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-5391000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	875000	USD
CY2014	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	54000	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	154000	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	122000	shares
CY2013Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	63827000	USD
CY2014Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	58513000	USD
CY2013	us-gaap	Interest Expense InterestExpense	1291000	USD
CY2012	us-gaap	Interest Expense InterestExpense	1766000	USD
CY2014	us-gaap	Interest Expense InterestExpense	768000	USD
CY2013	us-gaap	Interest Paid InterestPaid	325000	USD
CY2014	us-gaap	Interest Paid InterestPaid	0	USD
CY2012	us-gaap	Interest Paid InterestPaid	1253000	USD
CY2014Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	6394000	USD
CY2013Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	3305000	USD
CY2014Q1	us-gaap	Inventory Net InventoryNet	12580000	USD
CY2013Q1	us-gaap	Inventory Net InventoryNet	7563000	USD
CY2014Q1	us-gaap	Inventory Raw Materials InventoryRawMaterials	6025000	USD
CY2013Q1	us-gaap	Inventory Raw Materials InventoryRawMaterials	3986000	USD
CY2014Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	161000	USD
CY2013Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	272000	USD
CY2013	us-gaap	Investment Income Interest InvestmentIncomeInterest	508000	USD
CY2014	us-gaap	Investment Income Interest InvestmentIncomeInterest	309000	USD
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	419000	USD
CY2013Q1	us-gaap	Liabilities Liabilities	180273000	USD
CY2014Q1	us-gaap	Liabilities Liabilities	198602000	USD
CY2013Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	552176000	USD
CY2014Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	607763000	USD
CY2014Q1	us-gaap	Liabilities Current LiabilitiesCurrent	162964000	USD
CY2013Q1	us-gaap	Liabilities Current LiabilitiesCurrent	145171000	USD
CY2014Q1	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	4479000	USD
CY2013Q1	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	5582000	USD
CY2011Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	250000000	USD
CY2011Q4	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2016-11-21
CY2011Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	300000000	USD
CY2013Q1	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	37338000	USD
CY2014Q1	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	75234000	USD
CY2014Q1	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	41484000	USD
CY2013Q1	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	16823000	USD
CY2014	us-gaap	Maximum Length Of Time Hedged In Cash Flow Hedge1 MaximumLengthOfTimeHedgedInCashFlowHedge1	P12M
CY2014	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">NATURE OF BUSINESS</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">NetScout Systems, Inc., or NetScout or the Company, is an industry leader for advanced network, application and service assurance solutions, providing high-quality performance analytics and operational intelligence solutions that facilitate the evolution toward new computing paradigms, including virtualization, mobility and cloud. NetScout's products allow our customers to ensure that applications are running smoothly across their networks. NetScout designs, develops, manufactures, markets, licenses, sells and supports products focused on assuring service delivery quality, performance and availability for some of the world’s largest, most demanding and complex internet protocol (IP) based service delivery environments. NetScout manufactures and markets these products in integrated hardware and software solutions that are used by commercial enterprises, large governmental agencies and telecommunication service providers worldwide. NetScout has a single operating segment and substantially all of its identifiable assets are located in the United States.</font></div></div>
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-27418000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-31963000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-76581000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	95412000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	68307000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	110946000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-91004000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-21742000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	9208000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	40609000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	49106000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	32428000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	9910000	USD
CY2013Q3	us-gaap	Net Income Loss NetIncomeLoss	9883000	USD
CY2013Q1	us-gaap	Net Income Loss NetIncomeLoss	14553000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	5253000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	11138000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	5008000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	17294000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	16676000	USD
CY2013	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-793000	USD
CY2012	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2765000	USD
CY2014	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-158000	USD
CY2014	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	Segment
CY2014	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	Segment
CY2012	us-gaap	Operating Expenses OperatingExpenses	189324000	USD
CY2014	us-gaap	Operating Expenses OperatingExpenses	234120000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	212013000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	64529000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	78014000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	53683000	USD
CY2014Q1	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	34166000	USD
CY2014Q1	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	5797000	USD
CY2014Q1	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	2794000	USD
CY2014Q1	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	4167000	USD
CY2014Q1	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	5018000	USD
CY2014Q1	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	5062000	USD
CY2014Q1	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	11328000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1357000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	109000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	5000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	209000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-84000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	5700000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	5600000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	6000000	USD
CY2013Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	8256000	USD
CY2014Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	6430000	USD
CY2013Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2872000	USD
CY2014Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2460000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-110000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1887000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-385000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	460000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	459000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2101000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	888000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-148000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-126000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-147000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-91000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-78000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-62000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	62000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-258000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-210000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-129000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	33000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-146000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	109000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	5000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1357000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	810000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	73000	USD
CY2013Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2249000	USD
CY2014Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2370000	USD
CY2012	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	53000	USD
CY2014	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	86000	USD
CY2013	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	3000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	301000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-10000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-728000	USD
CY2013	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	466000	USD
CY2012	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	0	USD
CY2014	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-303000	USD
CY2014	us-gaap	Payments For Proceeds From Other Deposits PaymentsForProceedsFromOtherDeposits	-123000	USD
CY2013	us-gaap	Payments For Proceeds From Other Deposits PaymentsForProceedsFromOtherDeposits	804000	USD
CY2012	us-gaap	Payments For Proceeds From Other Deposits PaymentsForProceedsFromOtherDeposits	0	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	27448000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	34322000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	20595000	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	46721000	USD
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	51273000	USD
CY2013	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	277000	USD
CY2014	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	1086000	USD
CY2012	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	200000	USD
CY2013	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	121133000	USD
CY2012	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	117682000	USD
CY2014	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	128122000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	11088000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13066000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	11671000	USD
CY2014Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2013Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2013Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2014Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2014Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued		shares
CY2013Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued		shares
CY2014Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding		shares
CY2013Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding		shares
CY2014Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2013Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2014Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	11496000	USD
CY2013Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	9043000	USD
CY2013Q1	us-gaap	Prepaid Taxes PrepaidTaxes	0	USD
CY2014Q1	us-gaap	Prepaid Taxes PrepaidTaxes	1012000	USD
CY2012	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	42750000	shares
CY2013	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	42322000	shares
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	60691000	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2012	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	473000	USD
CY2013	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	575000	USD
CY2014	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	812000	USD
CY2014	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	65570000	USD
CY2012	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	184899000	USD
CY2013	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	163416000	USD
CY2013Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	75468000	USD
CY2014Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	89634000	USD
CY2014Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	23098000	USD
CY2013Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19678000	USD
CY2012Q4	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	62000000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	68106000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	62000000	USD
CY2014	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	70454000	USD
CY2012	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	49478000	USD
CY2013	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	61546000	USD
CY2013	us-gaap	Restructuring Charges RestructuringCharges	1065000	USD
CY2014	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2012	us-gaap	Restructuring Charges RestructuringCharges	603000	USD
CY2013Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	201461000	USD
CY2014Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	250567000	USD
CY2014	us-gaap	Revenues Revenues	396647000	USD
CY2013	us-gaap	Revenues Revenues	350550000	USD
CY2012	us-gaap	Revenues Revenues	308679000	USD
CY2012Q4	us-gaap	Revenues Revenues	91567000	USD
CY2012Q2	us-gaap	Revenues Revenues	76361000	USD
CY2012Q3	us-gaap	Revenues Revenues	84545000	USD
CY2014Q1	us-gaap	Revenues Revenues	112317000	USD
CY2013Q3	us-gaap	Revenues Revenues	92097000	USD
CY2013Q2	us-gaap	Revenues Revenues	81805000	USD
CY2013Q1	us-gaap	Revenues Revenues	98077000	USD
CY2013Q4	us-gaap	Revenues Revenues	110428000	USD
CY2012	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	168141000	USD
CY2014	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	234268000	USD
CY2013	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	198749000	USD
CY2014	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	162379000	USD
CY2013	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	151801000	USD
CY2012	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	140538000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	764893	shares
CY2014	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	129611000	USD
CY2013	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	116807000	USD
CY2012	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	109624000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	12930000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	9591000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	8651000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	99460	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	99632	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	75315	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	17.61
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	16.10
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	13.60
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	602359	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	1071131	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	25.75
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	24.19
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	13.36
CY2014Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1738299	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1755325	shares
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1870826	shares
CY2011Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1418859	shares
CY2014Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	20.95
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	17.85
CY2011Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	12.35
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	13.33
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	549932	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	659350	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	635254	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	25.35
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	11.26
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	12.52
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3303000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	756000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2763000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	5000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	125	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2011Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	325519	shares
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	154000	shares
CY2014Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	31350	shares
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	240892	shares
CY2014Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.87
CY2012Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.63
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.63
CY2011Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.35
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	5.58
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.91
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.62
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.00
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	3.76
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	5.26
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2014	us-gaap	Stock Issued1 StockIssued1	4995000	USD
CY2013	us-gaap	Stock Issued1 StockIssued1	4545000	USD
CY2012	us-gaap	Stock Issued1 StockIssued1	0	USD
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	84502	shares
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	86892	shares
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	117650	shares
CY2013	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	4545000	USD
CY2014	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	4995000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1000	USD
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1000	USD
CY2013	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	574000	USD
CY2014	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	811000	USD
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	472000	USD
CY2006Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	4000000	shares
CY2001Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	1000000	shares
CY2014Q1	us-gaap	Stockholders Equity StockholdersEquity	409161000	USD
CY2013Q1	us-gaap	Stockholders Equity StockholdersEquity	371903000	USD
CY2011Q1	us-gaap	Stockholders Equity StockholdersEquity	319559000	USD
CY2012Q1	us-gaap	Stockholders Equity StockholdersEquity	342369000	USD
CY2013Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	7540570	shares
CY2014Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	8757175	shares
CY2013Q1	us-gaap	Treasury Stock Value TreasuryStockValue	83480000	USD
CY2014Q1	us-gaap	Treasury Stock Value TreasuryStockValue	117802000	USD
CY2014	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	34322000	USD
CY2013	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	27448000	USD
CY2012	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	20595000	USD
CY2014Q1	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	18400000	USD
CY2012Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	335000	USD
CY2011Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	383000	USD
CY2014Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	421000	USD
CY2013Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	370000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	82000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	51000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	34000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	35000	USD
CY2014	ntct	Business Acquisition Purchase Price Allocation Current Liabilities Change In Amount Of Contractual Non Compliance Liability BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesChangeInAmountOfContractualNonComplianceLiability	-197000	USD
CY2013Q1	ntct	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	4248000	USD
CY2014Q1	ntct	Business Acquisition Purchase Price Allocation Current Liabilities Contractual Non Compliance Liability BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesContractualNonComplianceLiability	49000	USD
CY2013Q1	ntct	Business Acquisition Purchase Price Allocation Current Liabilities Contractual Non Compliance Liability BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesContractualNonComplianceLiability	246000	USD
CY2014	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with generally accepted accounting principles (GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates in these financial statements include revenue recognition, valuation of goodwill and acquired intangible assets and share-based compensation. These items are continuously monitored and analyzed by management for changes in facts and circumstances and material changes in these estimates could occur in the future.</font></div></div>
CY2012	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	42035000	shares
CY2013	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	41665000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42750000	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42322000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41955000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41366000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42035000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41665000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	535000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	535000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	561000	shares
CY2013	ntct	Acquisition Related Compensation Expense And Accretion Charges AcquisitionRelatedCompensationExpenseAndAccretionCharges	263000	USD
CY2012	ntct	Acquisition Related Compensation Expense And Accretion Charges AcquisitionRelatedCompensationExpenseAndAccretionCharges	106000	USD
CY2014	ntct	Acquisition Related Compensation Expense And Accretion Charges AcquisitionRelatedCompensationExpenseAndAccretionCharges	151000	USD
CY2014Q1	ntct	Availableforsale Securities Gross Unrealized Gain Loss Accumulatedin Investments AvailableforsaleSecuritiesGrossUnrealizedGainLossAccumulatedinInvestments	25000	USD
CY2013Q1	ntct	Availableforsale Securities Gross Unrealized Gain Loss Accumulatedin Investments AvailableforsaleSecuritiesGrossUnrealizedGainLossAccumulatedinInvestments	20000	USD
CY2012	ntct	Business Acquisition Purchase Price Allocation Current Liabilities Change In Amount Of Contractual Non Compliance Liability BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesChangeInAmountOfContractualNonComplianceLiability	-900000	USD
CY2013	ntct	Business Acquisition Purchase Price Allocation Current Liabilities Change In Amount Of Contractual Non Compliance Liability BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesChangeInAmountOfContractualNonComplianceLiability	-184000	USD
CY2014Q1	ntct	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	4291000	USD
CY2013Q1	ntct	Deferred Tax Assets Depreciation DeferredTaxAssetsDepreciation	0	USD
CY2014Q1	ntct	Deferred Tax Assets Depreciation DeferredTaxAssetsDepreciation	140000	USD
CY2013Q1	ntct	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	113000	USD
CY2014Q1	ntct	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	0	USD
CY2012	ntct	Effective Income Tax Rate Reconciliation Nondeductible Expense Transaction Costs EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTransactionCosts	0.015
CY2013	ntct	Effective Income Tax Rate Reconciliation Nondeductible Expense Transaction Costs EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTransactionCosts	0.007
CY2014	ntct	Effective Income Tax Rate Reconciliation Nondeductible Expense Transaction Costs EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTransactionCosts	0.000
CY2014	ntct	Increase Decrease In Contingent Consideration Payable IncreaseDecreaseInContingentConsiderationPayable	0	USD
CY2012	ntct	Increase Decrease In Contingent Consideration Payable IncreaseDecreaseInContingentConsiderationPayable	8000000	USD
CY2013	ntct	Increase Decrease In Contingent Consideration Payable IncreaseDecreaseInContingentConsiderationPayable	0	USD
CY2011Q4	ntct	Line Of Credit Facility Increase In Amount Term LineOfCreditFacilityIncreaseInAmountTerm	P90D
CY2014	ntct	Payments Of Contingent Consideration PaymentsOfContingentConsideration	841000	USD
CY2013	ntct	Payments Of Contingent Consideration PaymentsOfContingentConsideration	4038000	USD
CY2012	ntct	Payments Of Contingent Consideration PaymentsOfContingentConsideration	846000	USD
CY2014	ntct	Percentage Of Foreign Subsidiaries Capital Stock To Be Used For Repayment Of Line Of Credit PercentageOfForeignSubsidiariesCapitalStockToBeUsedForRepaymentOfLineOfCredit	0.65
CY2014	ntct	Preliminary Purchase Price Allocation Period PreliminaryPurchasePriceAllocationPeriod	P1Y
CY2006Q3	ntct	Stock Repurchase Program Number Of Additional Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfAdditionalSharesAuthorizedToBeRepurchased	3000000	shares
CY2013	ntct	Transfers From Inventory To Fixed Assets TransfersFromInventoryToFixedAssets	583000	USD
CY2012	ntct	Transfers From Inventory To Fixed Assets TransfersFromInventoryToFixedAssets	1910000	USD
CY2014	ntct	Transfers From Inventory To Fixed Assets TransfersFromInventoryToFixedAssets	1781000	USD
CY2013Q1	ntct	Unrecognized Accounts Receivable And Deferred Revenue UnrecognizedAccountsReceivableAndDeferredRevenue	1000000	USD
CY2014Q1	ntct	Unrecognized Accounts Receivable And Deferred Revenue UnrecognizedAccountsReceivableAndDeferredRevenue	9000000	USD
CY2014	dei	Amendment Flag AmendmentFlag	false
CY2014	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--03-31
CY2014	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
CY2014	dei	Document Period End Date DocumentPeriodEndDate	2014-03-31
CY2014	dei	Document Type DocumentType	10-K
CY2014	dei	Entity Central Index Key EntityCentralIndexKey	0001078075
CY2014Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	41060298	shares
CY2014	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2014	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q3	dei	Entity Public Float EntityPublicFloat	973710881	USD
CY2014	dei	Entity Registrant Name EntityRegistrantName	NETSCOUT SYSTEMS INC
CY2014	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2014	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2014	dei	Trading Symbol TradingSymbol	NTCT

Files In Submission

Name	View Source	Status
0001445305-14-002259-index-headers.html	Edgar Link	pending
0001445305-14-002259-index.html	Edgar Link	pending
0001445305-14-002259.txt	Edgar Link	pending
0001445305-14-002259-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
ntct-20140331.xml	Edgar Link	completed
ntct-20140331.xsd	Edgar Link	pending
ntct-20140331_cal.xml	Edgar Link	unprocessable
ntct-20140331_def.xml	Edgar Link	unprocessable
ntct-20140331_lab.xml	Edgar Link	unprocessable
ntct-20140331_pre.xml	Edgar Link	unprocessable
ntct-2014331x10k.htm	Edgar Link	pending
ntct-201433_chartx51703.jpg	Edgar Link	pending
ntct-ex21_2014331.htm	Edgar Link	pending
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report.css	Edgar Link	pending
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$NTCT
NETSCOUT SYSTEMS INC Stock $ntct

2014 Form 10-K Financial Statement

#000144530514002259 Filed on May 20, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NTCT NETSCOUT SYSTEMS INC Stock $ntct

2014 Form 10-K Financial Statement

#000144530514002259 Filed on May 20, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NTCT
NETSCOUT SYSTEMS INC Stock $ntct