$FFIV
F5, INC. Stock $ffiv

$ffiv Overview Financials Valuation SEC Filings Company Website

2018 Q3 Form 10-K Financial Statement

#000104869518000031 Filed on November 21, 2018

Income Statement

Concept	2018 Q3	2018 Q2	2018 Q1
Revenue	$562.7M	$542.2M	$533.3M
YoY Change	4.59%	4.71%	2.91%
Cost Of Revenue	$93.44M	$91.01M	$89.65M
YoY Change	3.2%	1.38%	1.97%
Gross Profit	$469.3M	$451.2M	$443.7M
YoY Change	4.87%	5.4%	3.1%
Gross Profit Margin	83.39%	83.21%	83.19%
Selling, General & Admin	$202.2M	$205.2M	$209.2M
YoY Change	1.14%	2.43%	3.22%
% of Gross Profit	43.08%	45.47%	47.16%
Research & Development	$95.08M	$94.06M	$91.06M
YoY Change	11.23%	6.16%	2.04%
% of Gross Profit	20.26%	20.85%	20.52%
Depreciation & Amortization	$15.40M	$14.10M	$14.80M
YoY Change	-0.65%	-7.84%	-3.9%
% of Gross Profit	3.28%	3.13%	3.34%
Operating Expenses	$315.7M	$299.2M	$300.3M
YoY Change	5.71%	3.57%	2.91%
Operating Profit	$153.6M	$152.0M	$143.4M
YoY Change	3.2%	9.21%	3.49%
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net	$5.667M	$2.259M	$2.790M
YoY Change	12.73%	-12.75%	114.29%
Pretax Income	$159.3M	$154.2M	$146.1M
YoY Change	3.51%	8.8%	4.52%
Income Tax	$26.38M	$31.47M	$36.51M
% Of Pretax Income	16.56%	20.41%	24.98%
Net Earnings	$132.9M	$122.7M	$109.6M
YoY Change	-2.11%	25.68%	17.71%
Net Earnings / Revenue	23.61%	22.64%	20.56%
Basic Earnings Per Share	$2.20	$2.01	$1.79
Diluted Earnings Per Share	$2.18	$1.99	$1.77
COMMON SHARES
Basic Shares Outstanding	60.46M shares	60.97M shares	61.42M shares
Diluted Shares Outstanding	61.07M shares	61.63M shares	62.06M shares

Balance Sheet

Concept	2018 Q3	2018 Q2	2018 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.039B	$1.085B	$1.025B
YoY Change	2.21%	6.93%	1.0%
Cash & Equivalents	$424.7M	$599.3M	$595.9M
Short-Term Investments	$614.7M	$485.2M	$428.8M
Other Short-Term Assets	$52.33M	$55.85M	$62.13M
YoY Change	-22.52%	8.43%	21.76%
Inventory	$30.57M	$31.32M	$29.51M
Prepaid Expenses	$39.53M
Receivables	$295.4M	$297.4M	$290.9M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.418B	$1.469B	$1.407B
YoY Change	0.81%	1.6%	-2.6%
LONG-TERM ASSETS
Property, Plant & Equipment	$145.0M	$126.1M	$117.4M
YoY Change	18.48%	0.77%	-7.35%
Goodwill	$556.0M	$556.0M	$556.0M
YoY Change	0.0%	0.0%	0.0%
Intangibles	$31.26M
YoY Change
Long-Term Investments	$411.2M	$329.4M	$350.2M
YoY Change	44.38%	40.41%	74.84%
Other Assets	$42.19M	$45.38M	$49.34M
YoY Change	-21.55%	-17.39%	-15.17%
Total Long-Term Assets	$1.188B	$1.092B	$1.110B
YoY Change	10.98%	12.27%	17.69%
TOTAL ASSETS
Total Short-Term Assets	$1.418B	$1.469B	$1.407B
Total Long-Term Assets	$1.188B	$1.092B	$1.110B
Total Assets	$2.605B	$2.561B	$2.517B
YoY Change	5.21%	5.89%	5.41%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$57.76M	$44.65M	$40.27M
YoY Change	13.78%	0.23%	-14.84%
Accrued Expenses	$181.0M	$163.2M	$185.9M
YoY Change	-3.42%	-8.65%	0.92%
Deferred Revenue	$715.7M
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$954.4M	$943.9M	$962.2M
YoY Change	2.13%	3.8%	5.04%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$65.89M	$59.47M	$53.77M
YoY Change	47.78%	44.01%	45.12%
Total Long-Term Liabilities	$365.6M	$351.2M	$328.4M
YoY Change	16.96%	15.28%	14.29%
TOTAL LIABILITIES
Total Short-Term Liabilities	$954.4M	$943.9M	$962.2M
Total Long-Term Liabilities	$365.6M	$351.2M	$328.4M
Total Liabilities	$1.320B	$1.295B	$1.291B
YoY Change	5.84%	6.68%	7.25%
SHAREHOLDERS EQUITY
Retained Earnings	$1.287B	$1.268B	$1.226B
YoY Change	4.67%	5.44%	3.88%
Common Stock	$20.43M	$20.01M	$21.12M
YoY Change	15.88%	14.12%	8.86%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.286B	$1.266B	$1.227B
YoY Change
Total Liabilities & Shareholders Equity	$2.605B	$2.561B	$2.517B
YoY Change	5.21%	5.89%	5.41%

Cashflow Statement

Concept	2018 Q3	2018 Q2	2018 Q1
OPERATING ACTIVITIES
Net Income	$132.9M	$122.7M	$109.6M
YoY Change	-2.11%	25.68%	17.71%
Depreciation, Depletion And Amortization	$15.40M	$14.10M	$14.80M
YoY Change	-0.65%	-7.84%	-3.9%
Cash From Operating Activities	$204.3M	$182.1M	$184.7M
YoY Change	-4.13%	12.06%	5.3%
INVESTING ACTIVITIES
Capital Expenditures	-$17.40M	-$19.90M	-$9.700M
YoY Change	132.0%	165.33%	1.04%
Acquisitions
YoY Change
Other Investing Activities	-$210.7M	-$35.70M	-$41.60M
YoY Change	193.45%	-17950.0%	-164.9%
Cash From Investing Activities	-$228.1M	-$55.40M	-$51.40M
YoY Change	187.64%	658.9%	-194.31%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-150.1M	-121.1M	-150.0M
YoY Change	0.47%	0.33%	1.56%
NET CHANGE
Cash From Operating Activities	204.3M	182.1M	184.7M
Cash From Investing Activities	-228.1M	-55.40M	-51.40M
Cash From Financing Activities	-150.1M	-121.1M	-150.0M
Net Change In Cash	-173.9M	5.600M	-16.70M
YoY Change	1014.74%	-83.77%	-120.32%
FREE CASH FLOW
Cash From Operating Activities	$204.3M	$182.1M	$184.7M
Capital Expenditures	-$17.40M	-$19.90M	-$9.700M
Free Cash Flow	$221.7M	$202.0M	$194.4M
YoY Change	0.5%	18.82%	5.08%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-09-30
CY2018	dei	Document Type DocumentType	10-K
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CY2018	dei	Entity Registrant Name EntityRegistrantName	F5 NETWORKS INC
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CY2017Q3	us-gaap	Cost Of Goods Sold CostOfGoodsSold	46641000	USD
CY2017	us-gaap	Cost Of Goods Sold CostOfGoodsSold	176032000	USD
CY2017Q4	us-gaap	Cost Of Goods Sold CostOfGoodsSold	43265000	USD
CY2018Q1	us-gaap	Cost Of Goods Sold CostOfGoodsSold	44127000	USD
CY2018Q2	us-gaap	Cost Of Goods Sold CostOfGoodsSold	45164000	USD
CY2018Q3	us-gaap	Cost Of Goods Sold CostOfGoodsSold	48505000	USD
CY2018	us-gaap	Cost Of Goods Sold CostOfGoodsSold	181061000	USD
CY2016	us-gaap	Cost Of Services CostOfServices	170581000	USD
CY2016Q4	us-gaap	Cost Of Services CostOfServices	43586000	USD
CY2017Q1	us-gaap	Cost Of Services CostOfServices	43984000	USD
CY2017Q2	us-gaap	Cost Of Services CostOfServices	45983000	USD
CY2017Q3	us-gaap	Cost Of Services CostOfServices	43900000	USD
CY2017	us-gaap	Cost Of Services CostOfServices	177453000	USD
CY2018Q1	us-gaap	Cost Of Services CostOfServices	45518000	USD
CY2018Q2	us-gaap	Cost Of Services CostOfServices	45845000	USD
CY2018Q3	us-gaap	Cost Of Services CostOfServices	44935000	USD
CY2018	us-gaap	Cost Of Services CostOfServices	180420000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	129728000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	113105000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	78454000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	31015000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	34679000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	41040000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	177564000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	158165000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	129294000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	16821000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	10381000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	9800000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	9770000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	964000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	21259000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2269000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4472000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1207000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	6472000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3409000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	20777000	USD
CY2017Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	35028000	USD
CY2018Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	26365000	USD
CY2016	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	2967000	USD
CY2017	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-4626000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	20810000	USD
CY2017Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	696404000	USD
CY2018Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	715697000	USD
CY2017Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	267902000	USD
CY2018Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	299624000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1029000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	99000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	725000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	43371000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	29290000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	106456000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	82551000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	715000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	324000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	53239000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	33406000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	88267000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	59771000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	53303000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	33441000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	11235000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	11540000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	628000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	671000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	7873000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	12177000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	11617000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	8202000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	11857000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	5570000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1236000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	368000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	17924000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	14409000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	18189000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	22780000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	676000	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	3410000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	17459000	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	10678000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	63000	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	35000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	16893000	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	12277000	USD
CY2016	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	9500000	USD
CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	10500000	USD
CY2018	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	10500000	USD
CY2016	us-gaap	Depreciation Depreciation	36400000	USD
CY2017	us-gaap	Depreciation Depreciation	44600000	USD
CY2018	us-gaap	Depreciation Depreciation	45900000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	56776000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	61148000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	59491000	USD
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.43
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.45
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.44
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.53
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.15
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.56
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.42
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.79
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.01
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.20
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.41
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.38
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.44
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.43
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.52
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.14
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.50
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.41
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.77
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.99
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.18
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.32
CY2016	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	2503000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-3307000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-2339000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.245
CY2017Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	109088000	USD
CY2018Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	104815000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2608000	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	7019000	USD
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	58256000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	62559000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	6858000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4229000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	5026000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	6232000	USD
CY2018Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	109600000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
CY2018Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	6363000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	100810000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	93818000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	42554000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	31259000	USD
CY2017Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	32781000	USD
CY2018Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	31625000	USD
CY2016	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	138431000	USD
CY2016Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	41678000	USD
CY2017Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	38009000	USD
CY2017Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	39368000	USD
CY2017Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	37832000	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	156887000	USD
CY2017Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	39984000	USD
CY2018Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	39276000	USD
CY2018Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	39374000	USD
CY2018Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	41748000	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	160382000	USD
CY2017Q3	us-gaap	Goodwill Goodwill	555965000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	555965000	USD
CY2016	us-gaap	Gross Profit GrossProfit	1657829000	USD
CY2016Q4	us-gaap	Gross Profit GrossProfit	430696000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	430336000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	428067000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	447457000	USD
CY2017	us-gaap	Gross Profit GrossProfit	1736556000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	435804000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	443659000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	451194000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	469269000	USD
CY2018	us-gaap	Gross Profit GrossProfit	1799926000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	465738000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	452869000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	122648000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	162424000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	441336000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	84153000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	549891000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	140097000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	139825000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	141733000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	153862000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	575517000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	144142000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	146147000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	154212000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	159259000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	603760000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	184036000	USD
CY2016Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45879000	USD
CY2017Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	46687000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	44071000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18119000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	154756000	USD
CY2017Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55713000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36511000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31469000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26378000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	150071000	USD
CY2017	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	6900000	USD
CY2018	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	6400000	USD
CY2017	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.11
CY2018	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.10
CY2016	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	14624000	USD
CY2017	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	15802000	USD
CY2018	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	9722000	USD
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-9199000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-40606000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-6696000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	192462000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	201431000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	147921000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	17137000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	12688000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-150000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	3194000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	605000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	1513000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	13434000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	9235000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	9349000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	21000000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	18368000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	12795000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	13159000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	33217000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	30524000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	164362000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	162944000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	104878000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	6583000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-9732000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	24115000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4889000	USD
CY2016	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	86931000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	94064000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	51016000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	334000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-4218000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	734000	USD
CY2016	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	712000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	2056000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-446000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1876000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	14890000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-15607000	USD
CY2016	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	3000	USD
CY2017	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	73000	USD
CY2018	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-36000	USD
CY2017Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	20280000	USD
CY2018Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	21339000	USD
CY2017Q3	us-gaap	Inventory Net InventoryNet	29834000	USD
CY2018Q3	us-gaap	Inventory Net InventoryNet	30568000	USD
CY2017Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	9554000	USD
CY2018Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	9229000	USD
CY2018	us-gaap	Lease Expiration Date1 LeaseExpirationDate1	2022-12-31
CY2017Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	88410000	USD
CY2018Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	107615000	USD
CY2017Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2476489000	USD
CY2018Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2605476000	USD
CY2017Q3	us-gaap	Liabilities Current LiabilitiesCurrent	934543000	USD
CY2018Q3	us-gaap	Liabilities Current LiabilitiesCurrent	954433000	USD
CY2017Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	312554000	USD
CY2018Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	365551000	USD
CY2017Q3	us-gaap	Long Term Investments LongTermInvestments	284802000	USD
CY2018Q3	us-gaap	Long Term Investments LongTermInvestments	411184000	USD
CY2017Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	177235000	USD
CY2018Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	194847000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-652647000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-546032000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-551263000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	62720000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-32285000	USD
CY2018	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-455987000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	711535000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	740281000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	761068000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	365855000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	94218000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	93138000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	97662000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	135743000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	420761000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	88429000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	109636000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	122743000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	132881000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	453689000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	1110452000	USD
CY2016Q4	us-gaap	Operating Expenses OperatingExpenses	293242000	USD
CY2017Q1	us-gaap	Operating Expenses OperatingExpenses	291813000	USD
CY2017Q2	us-gaap	Operating Expenses OperatingExpenses	288923000	USD
CY2017Q3	us-gaap	Operating Expenses OperatingExpenses	298622000	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	1172600000	USD
CY2017Q4	us-gaap	Operating Expenses OperatingExpenses	293807000	USD
CY2018Q1	us-gaap	Operating Expenses OperatingExpenses	300302000	USD
CY2018Q2	us-gaap	Operating Expenses OperatingExpenses	299241000	USD
CY2018Q3	us-gaap	Operating Expenses OperatingExpenses	315677000	USD
CY2018	us-gaap	Operating Expenses OperatingExpenses	1209027000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	547377000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	137454000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	138523000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	139144000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	148835000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	563956000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	141997000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	143357000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	151953000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	153592000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	590899000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	462308000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	30870000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	0	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	31238000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	40285000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	42615000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	45418000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	271882000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	30100000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	30200000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	30000000	USD
CY2017Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	34948000	USD
CY2018Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	37497000	USD
CY2017Q3	us-gaap	Other Assets Current OtherAssetsCurrent	67538000	USD
CY2018Q3	us-gaap	Other Assets Current OtherAssetsCurrent	52326000	USD
CY2017Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	53775000	USD
CY2018Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	42186000	USD
CY2016	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	27000	USD
CY2017	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-1132000	USD
CY2018	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-2766000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2067000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3671000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1415000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2094000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4803000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-4000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	310000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4181000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	23000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-9000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-2000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	186000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-4000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-822000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2775000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	14000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-493000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-869000	USD
CY2017Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	17469000	USD
CY2018Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	13618000	USD
CY2017Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	44589000	USD
CY2018Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	65892000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2514000	USD
CY2016Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2643000	USD
CY2017Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1302000	USD
CY2017Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2589000	USD
CY2017Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5027000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	11561000	USD
CY2017Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2145000	USD
CY2018Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2790000	USD
CY2018Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2259000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5667000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	12861000	USD
CY2016	us-gaap	Other Significant Noncash Transaction Value Of Consideration Received1 OtherSignificantNoncashTransactionValueOfConsiderationReceived1	0	USD
CY2017	us-gaap	Other Significant Noncash Transaction Value Of Consideration Received1 OtherSignificantNoncashTransactionValueOfConsiderationReceived1	0	USD
CY2018	us-gaap	Other Significant Noncash Transaction Value Of Consideration Received1 OtherSignificantNoncashTransactionValueOfConsiderationReceived1	9958000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	700124000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	600090000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	600081000	USD
CY2018	us-gaap	Payments For Restructuring PaymentsForRestructuring	17899000	USD
CY2016	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	4750000	USD
CY2017	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	4000000	USD
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	USD
CY2016	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	354708000	USD
CY2017	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	446838000	USD
CY2018	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	855424000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	63488000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	38681000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	53465000	USD
CY2017Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2018Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2017Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2018Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2017Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2018Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	44869000	USD
CY2018Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	91056000	USD
CY2018Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	94061000	USD
CY2018Q1	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2018Q2	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	47039000	USD
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	48818000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	418821000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	390449000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	439130000	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	66848000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	66858000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	12736000	USD
CY2016	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2017	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2018	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	1000000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	298426000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	334087000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	122420000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	145042000	USD
CY2018Q3	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	26200000	USD
CY2016	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	334227000	USD
CY2016Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	87050000	USD
CY2017Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	89234000	USD
CY2017Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	88602000	USD
CY2017Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	85479000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	350365000	USD
CY2017Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	85889000	USD
CY2018Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	95078000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	366084000	USD
CY2018	us-gaap	Restructuring And Related Cost Number Of Positions Eliminated RestructuringAndRelatedCostNumberOfPositionsEliminated	215	employee
CY2016	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2016Q4	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2017Q1	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2017Q2	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2017Q3	us-gaap	Restructuring Charges RestructuringCharges	12718000	USD
CY2017	us-gaap	Restructuring Charges RestructuringCharges	12718000	USD
CY2017Q4	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2018Q3	us-gaap	Restructuring Charges RestructuringCharges	18426000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	18426000	USD
CY2017Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	7741000	USD
CY2018Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	8268000	USD
CY2018	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	0	USD
CY2017Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1229762000	USD
CY2018Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1287243000	USD
CY2016	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	944469000	USD
CY2016Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	239483000	USD
CY2017Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	164705000	USD
CY2017Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	160952000	USD
CY2016	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1050565000	USD
CY2017Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	241080000	USD
CY2017Q2	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	235109000	USD
CY2017Q3	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	248990000	USD
CY2017	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	964662000	USD
CY2017Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	227303000	USD
CY2018Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	237558000	USD
CY2018Q2	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	238835000	USD
CY2018Q3	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	256412000	USD
CY2018	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	960108000	USD
CY2016	us-gaap	Sales Revenue Net SalesRevenueNet	1995034000	USD
CY2016Q4	us-gaap	Sales Revenue Net SalesRevenueNet	515958000	USD
CY2017Q1	us-gaap	Sales Revenue Net SalesRevenueNet	518248000	USD
CY2017Q2	us-gaap	Sales Revenue Net SalesRevenueNet	517837000	USD
CY2017Q3	us-gaap	Sales Revenue Net SalesRevenueNet	537998000	USD
CY2017	us-gaap	Sales Revenue Net SalesRevenueNet	2090041000	USD
CY2017Q4	us-gaap	Sales Revenue Net SalesRevenueNet	523191000	USD
CY2018Q1	us-gaap	Sales Revenue Net SalesRevenueNet	533304000	USD
CY2018Q2	us-gaap	Sales Revenue Net SalesRevenueNet	542203000	USD
CY2018Q3	us-gaap	Sales Revenue Net SalesRevenueNet	562709000	USD
CY2018	us-gaap	Sales Revenue Net SalesRevenueNet	2161407000	USD
CY2016Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	276475000	USD
CY2017Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	277168000	USD
CY2017Q2	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	282728000	USD
CY2017Q3	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	289008000	USD
CY2017	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1125379000	USD
CY2017Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	295888000	USD
CY2018Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	295746000	USD
CY2018Q2	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	303368000	USD
CY2018Q3	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	306297000	USD
CY2018	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1201299000	USD
CY2016	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	628743000	USD
CY2016Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	164514000	USD
CY2017Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	162068000	USD
CY2017	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	652239000	USD
CY2017Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	167934000	USD
CY2018Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	169970000	USD
CY2018Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	165806000	USD
CY2018Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	160425000	USD
CY2018	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	664135000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	156760000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	175326000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	157855000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	3.76
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	162	shares
CY2018Q3	us-gaap	Short Term Investments ShortTermInvestments	614705000	USD
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	814	shares
CY2018	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P10Y
CY2017Q3	us-gaap	Short Term Investments ShortTermInvestments	343700000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2997
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2203
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.1814
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0044
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0114
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0225
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	162	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	3.76
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1900000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1000000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	100000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	0	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	0.00
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	32000	USD
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	976	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	162	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	3.18
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	3.76
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	32000	USD
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.07
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6M
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6M
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6M
CY2018Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	32000	USD
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y266D
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y266D
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y266D
CY2016	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	44690000	USD
CY2017	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	46838000	USD
CY2018	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	48815000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	156760000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	175326000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	157855000	USD
CY2016	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	179000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	201000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	3000	USD
CY2018Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	573600000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	1410000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	1588000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	4074170	shares
CY2016	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	700124000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	600090000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	600081000	USD
CY2015Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1316728000	USD
CY2016Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1185262000	USD
CY2017Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1229392000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1285492000	USD
CY2018	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	147.29
CY2015Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9562000	USD
CY2016Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	13687000	USD
CY2017Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	23135000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	31672000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	7000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	521000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	240000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4441000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	8507000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	8230000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1622000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2769000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2715000	USD
CY2017Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1178000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1615000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	18000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	258000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	437000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2408000	USD
CY2016Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	11100000	USD
CY2017Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	18300000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	23100000	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	3900000	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	4600000	USD
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	551000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	602000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	751000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67984000	shares
CY2016Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65645000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65028000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	64361000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	63446000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	64775000	shares
CY2017Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	62550000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	62059000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	61633000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	61070000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	62013000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67433000	shares
CY2016Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65195000	shares
CY2017Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	64479000	shares
CY2017Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	63935000	shares
CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	63088000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	64173000	shares
CY2017Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	62195000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	61420000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60970000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	60462000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	61262000	shares
CY2018	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:18px;text-indent:16px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Concentration of Credit Risk</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 Company extends credit to customers and is therefore subject to credit risk. The Company performs initial and ongoing credit evaluations of its customers’ financial condition and does not require collateral. An allowance for doubtful accounts is recorded to account for potential bad debts. Estimates are used in determining the allowance for doubtful accounts and are based upon an assessment of selected accounts and as a percentage of remaining accounts receivable by aging category. In determining these percentages, the Company evaluates historical write-offs, and current trends in customer credit quality, as well as changes in credit policies. At </font><font style="font-family:inherit;font-size:10pt;">September 30, 2018</font><font style="font-family:inherit;font-size:10pt;">, Synnex Corporation and Ingram Micro, Inc. accounted for </font><font style="font-family:inherit;font-size:10pt;">10.3%</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">16.6%</font><font style="font-family:inherit;font-size:10pt;"> of the Company’s accounts receivable, respectively. At </font><font style="font-family:inherit;font-size:10pt;">September 30, 2017</font><font style="font-family:inherit;font-size:10pt;">, Synnex Corporation and Arrow ECS, Inc. accounted for </font><font style="font-family:inherit;font-size:10pt;">13.6%</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">11.5%</font><font style="font-family:inherit;font-size:10pt;"> of the Company’s accounts receivable, respectively. No other customers accounted for more than 10% of total receivables as of September 30, 2018 and 2017.</font></div><div style="line-height:120%;padding-top:12px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company maintains its cash and investment balances with high credit quality financial institutions.</font></div></div>
CY2018	us-gaap	Guarantees Indemnifications And Warranties Policies GuaranteesIndemnificationsAndWarrantiesPolicies	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:18px;text-indent:16px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Guarantees and Product Warranties</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In the normal course of business to facilitate sales of its products, the Company indemnifies other parties, including customers, resellers, lessors, and parties to other transactions with the Company, with respect to certain matters. The Company has agreed to hold the other party harmless against losses arising from a breach of representations or covenants, or out of intellectual property infringement or other claims made against certain parties. These agreements may limit the time within which an indemnification claim can be made and the amount of the claim. The Company has entered into indemnification agreements with its officers and directors, and the Company’s bylaws contain similar indemnification obligations to the Company’s agents. It is not possible to determine the maximum potential amount under these indemnification agreements due to the limited history of prior indemnification claims and the unique facts and circumstances involved in each particular agreement.</font></div><div style="line-height:120%;padding-top:12px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company offers warranties of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">one</font><font style="font-family:inherit;font-size:10pt;"> year for hardware for those customers without service contracts, with the option of purchasing additional warranty coverage in yearly increments. The Company accrues for warranty costs as part of its cost of sales based on associated material product costs and technical support labor costs. Accrued warranty costs as of </font><font style="font-family:inherit;font-size:10pt;">September 30, 2018</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;">2017</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">2016</font><font style="font-family:inherit;font-size:10pt;"> were not considered material.</font></div></div>
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:18px;text-indent:16px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;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 GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosures of contingent assets and liabilities as of the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Estimates are used in accounting for revenue recognition, reserves for doubtful accounts, product returns, obsolete and excess inventory and valuation allowances on deferred tax assets. Actual results could differ from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0001048695-18-000031-index-headers.html	Edgar Link	pending
0001048695-18-000031-index.html	Edgar Link	pending
0001048695-18-000031.txt	Edgar Link	pending
0001048695-18-000031-xbrl.zip	Edgar Link	pending
chart-260a477729f85659b37.jpg	Edgar Link	pending
ffiv-20180930.xml	Edgar Link	completed
ffiv-20180930.xsd	Edgar Link	pending
ffiv-20180930_cal.xml	Edgar Link	unprocessable
ffiv-20180930_def.xml	Edgar Link	unprocessable
ffiv-20180930_lab.xml	Edgar Link	unprocessable
ffiv-20180930_pre.xml	Edgar Link	unprocessable
ffiv10k9-30x2018.htm	Edgar Link	pending
ffiv10kex2119302018.htm	Edgar Link	pending
ffiv10kex2319302018.htm	Edgar Link	pending
ffiv10kex3119302018.htm	Edgar Link	pending
ffiv10kex3129302018.htm	Edgar Link	pending
ffiv10kex3219302018.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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$FFIV
F5, INC. Stock $ffiv

2018 Q3 Form 10-K Financial Statement

#000104869518000031 Filed on November 21, 2018

Income Statement

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Facts In Submission

Files In Submission

$FFIV F5, INC. Stock $ffiv

2018 Q3 Form 10-K Financial Statement

#000104869518000031 Filed on November 21, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FFIV
F5, INC. Stock $ffiv