$FFIV
F5, INC. Stock $ffiv

$ffiv Overview Financials Valuation SEC Filings Company Website

2017 Form 10-K Financial Statement

#000104869517000028 Filed on November 03, 2017

Income Statement

Concept	2017	2016 Q3	2016 Q2
Revenue	$2.090B	$525.3M	$496.5M
YoY Change	4.76%	4.8%	2.68%
Cost Of Revenue	$353.5M	$84.95M	$84.34M
YoY Change	4.83%	0.34%	-1.54%
Gross Profit	$1.737B	$440.4M	$412.2M
YoY Change	4.75%	5.7%	3.58%
Gross Profit Margin	83.09%	83.83%	83.01%
Selling, General & Admin	$809.1M	$193.4M	$190.8M
YoY Change	5.47%	1.05%	4.0%
% of Gross Profit	46.59%	43.91%	46.29%
Research & Development	$350.4M	$83.75M	$83.04M
YoY Change	4.83%	7.83%	11.71%
% of Gross Profit	20.18%	19.02%	20.15%
Depreciation & Amortization	$61.15M	$14.50M	$14.50M
YoY Change	7.7%	8.21%	12.4%
% of Gross Profit	3.52%	3.29%	3.52%
Operating Expenses	$1.173B	$277.8M	$273.3M
YoY Change	5.6%	3.24%	6.02%
Operating Profit	$564.0M	$162.6M	$138.9M
YoY Change	3.03%	10.19%	-0.9%
Interest Expense	$15.50M
YoY Change	-2683.33%
% of Operating Profit	2.75%
Other Income/Expense, Net	$11.56M	$268.0K	$978.0K
YoY Change	359.86%	-85.63%	35.83%
Pretax Income	$452.9M	$162.9M	$139.8M
YoY Change	-2.76%	8.99%	-0.72%
Income Tax	$154.8M	$53.97M	$48.05M
% Of Pretax Income	34.17%	33.13%	34.36%
Net Earnings	$420.8M	$108.9M	$91.79M
YoY Change	15.01%	12.26%	-1.48%
Net Earnings / Revenue	20.13%	20.74%	18.49%
Basic Earnings Per Share	$6.56	$1.66	$1.37
Diluted Earnings Per Share	$6.50	$1.64	$1.37
COMMON SHARES
Basic Shares Outstanding	64.17M shares	65.77M shares	66.85M shares
Diluted Shares Outstanding	64.78M shares	66.26M shares	67.24M shares

Balance Sheet

Concept	2017	2016 Q3	2016 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.017B	$882.4M	$810.7M
YoY Change	15.24%	13.96%	1.63%
Cash & Equivalents	$673.2M	$514.6M	$429.6M
Short-Term Investments	$343.7M	$367.8M	$381.1M
Other Short-Term Assets	$67.50M	$52.58M	$50.74M
YoY Change	-35.22%	4.08%	1.05%
Inventory	$29.80M	$34.05M	$33.81M
Prepaid Expenses
Receivables	$291.9M	$268.2M	$263.2M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.406B	$1.289B	$1.208B
YoY Change	9.11%	8.47%	1.89%
LONG-TERM ASSETS
Property, Plant & Equipment	$122.4M	$123.2M	$115.1M
YoY Change	-0.65%	28.51%	37.87%
Goodwill		$556.0M	$556.0M
YoY Change		0.0%	-0.18%
Intangibles
YoY Change
Long-Term Investments	$284.8M	$276.4M	$313.5M
YoY Change	3.04%	-30.5%	-13.33%
Other Assets	$64.50M	$59.89M	$60.53M
YoY Change	465.79%	-12.09%	-14.93%
Total Long-Term Assets	$1.070B	$1.018B	$1.046B
YoY Change	5.19%	-9.49%	-2.88%
TOTAL ASSETS
Total Short-Term Assets	$1.406B	$1.289B	$1.208B
Total Long-Term Assets	$1.070B	$1.018B	$1.046B
Total Assets	$2.477B	$2.306B	$2.254B
YoY Change	7.38%	-0.26%	-0.38%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$50.80M	$34.12M	$37.45M
YoY Change	48.97%	-32.86%	-23.55%
Accrued Expenses	$171.9M	$178.4M	$135.1M
YoY Change	9.84%	36.77%	17.09%
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	$934.5M	$844.2M	$799.4M
YoY Change	10.7%	11.8%	11.42%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$312.5M	$34.14M	$30.76M
YoY Change	14.64%	13.28%	18.7%
Total Long-Term Liabilities	$312.5M	$276.8M	$267.3M
YoY Change	14.64%	15.13%	22.73%
TOTAL LIABILITIES
Total Short-Term Liabilities	$934.5M	$844.2M	$799.4M
Total Long-Term Liabilities	$312.5M	$276.8M	$267.3M
Total Liabilities	$1.247B	$1.121B	$1.067B
YoY Change	11.24%	12.61%	14.06%
SHAREHOLDERS EQUITY
Retained Earnings		$1.185B	$1.190B
YoY Change		-10.33%	-10.8%
Common Stock		$13.19M	$9.996M
YoY Change		29.85%	66.96%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.229B	$1.185B	$1.187B
YoY Change
Total Liabilities & Shareholders Equity	$2.477B	$2.306B	$2.254B
YoY Change	7.38%	-0.26%	-0.38%

Cashflow Statement

Concept	2017	2016 Q3	2016 Q2
OPERATING ACTIVITIES
Net Income	$420.8M	$108.9M	$91.79M
YoY Change	15.01%	12.26%	-1.48%
Depreciation, Depletion And Amortization	$61.15M	$14.50M	$14.50M
YoY Change	7.7%	8.21%	12.4%
Cash From Operating Activities	$740.3M	$204.0M	$170.5M
YoY Change	4.04%	11.29%	-1.16%
INVESTING ACTIVITIES
Capital Expenditures	$38.68M	-$19.00M	-$16.20M
YoY Change	-39.07%	-1.04%	-23.58%
Acquisitions	$0.00
YoY Change
Other Investing Activities	$10.50M	$48.50M	$500.0K
YoY Change	-91.98%	-126.1%	-99.7%
Cash From Investing Activities	-$32.21M	$29.30M	-$15.50M
YoY Change	-151.36%	-114.29%	-110.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$600.1M
YoY Change	-14.29%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$546.0M	-148.9M	-123.6M
YoY Change	-16.34%	1.22%	-0.16%
NET CHANGE
Cash From Operating Activities	$740.3M	204.0M	170.5M
Cash From Investing Activities	-$32.21M	29.30M	-15.50M
Cash From Financing Activities	-$546.0M	-148.9M	-123.6M
Net Change In Cash	$162.0M	84.40M	31.40M
YoY Change	33.25%	-150.0%	-83.81%
FREE CASH FLOW
Cash From Operating Activities	$740.3M	$204.0M	$170.5M
Capital Expenditures	$38.68M	-$19.00M	-$16.20M
Free Cash Flow	$701.6M	$223.0M	$186.7M
YoY Change	8.26%	10.12%	-3.61%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2017	ffiv	Foreign Tax Incentive Amount ForeignTaxIncentiveAmount	6900000	USD
CY2015	ffiv	Litigation Expense LitigationExpense	0	USD
CY2017	dei	Amendment Flag AmendmentFlag	false
CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-09-30
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0001048695
CY2017Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	62593522	shares
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q1	dei	Entity Public Float EntityPublicFloat	9105335415	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	F5 NETWORKS INC
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2017	ffiv	Defined Contribution Plan Employer Contribution Vesting Period DefinedContributionPlanEmployerContributionVestingPeriod	P4Y
CY2017Q3	ffiv	Finite Lived Intangible Assets Total Amortization Expense For Next Five Years FiniteLivedIntangibleAssetsTotalAmortizationExpenseForNextFiveYears	35763000	USD
CY2017	ffiv	Foreign Tax Incentive Per Share Effect ForeignTaxIncentivePerShareEffect	0.11
CY2017Q3	ffiv	Future Minimum Operating Net Lease Payments FutureMinimumOperatingNetLeasePayments	465260000	USD
CY2017Q3	ffiv	Future Minimum Operating Net Lease Payments Within Five Year FutureMinimumOperatingNetLeasePaymentsWithinFiveYear	37250000	USD
CY2017Q3	ffiv	Future Minimum Operating Net Lease Payments Within Four Year FutureMinimumOperatingNetLeasePaymentsWithinFourYear	38764000	USD
CY2017Q3	ffiv	Future Minimum Operating Net Lease Payments Within One Year FutureMinimumOperatingNetLeasePaymentsWithinOneYear	24885000	USD
CY2017Q3	ffiv	Future Minimum Operating Net Lease Payments Within Thereafter FutureMinimumOperatingNetLeasePaymentsWithinThereafter	298605000	USD
CY2017Q3	ffiv	Future Minimum Operating Net Lease Payments Within Three Year FutureMinimumOperatingNetLeasePaymentsWithinThreeYear	40892000	USD
CY2017Q3	ffiv	Future Minimum Operating Net Lease Payments Within Two Year FutureMinimumOperatingNetLeasePaymentsWithinTwoYear	24864000	USD
CY2017Q3	ffiv	Future Minimum Sublease Rentals Due Thereafter FutureMinimumSubleaseRentalsDueThereafter	0	USD
CY2017Q3	ffiv	Future Minimum Sublease Rentals Due Within Five Years FutureMinimumSubleaseRentalsDueWithinFiveYears	0	USD
CY2017Q3	ffiv	Future Minimum Sublease Rentals Due Within Four Years FutureMinimumSubleaseRentalsDueWithinFourYears	0	USD
CY2017Q3	ffiv	Future Minimum Sublease Rentals Due Within Three Years FutureMinimumSubleaseRentalsDueWithinThreeYears	0	USD
CY2017Q3	ffiv	Future Minimum Sublease Rentals Due Within Two Years FutureMinimumSubleaseRentalsDueWithinTwoYears	0	USD
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CY2017	ffiv	Litigation Expense LitigationExpense	391000	USD
CY2017	ffiv	Number Of Buildings In Amended And Restated Lease NumberOfBuildingsInAmendedAndRestatedLease	4	building
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CY2017Q3	us-gaap	Cost Of Services CostOfServices	43900000	USD
CY2017	us-gaap	Cost Of Services CostOfServices	177453000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	176074000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	129728000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	113105000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	15446000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	31015000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	34679000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	208337000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	177564000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	158165000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	16817000	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
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-9778000	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
CY2015	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1903000	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
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-12007000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	6472000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3409000	USD
CY2016Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	34400000	USD
CY2017Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	35028000	USD
CY2015	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-12571000	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
CY2016Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	631768000	USD
CY2017Q3	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	696404000	USD
CY2016Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	238473000	USD
CY2017Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	267902000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-326000	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
CY2016Q3	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	40763000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	43371000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	98080000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	106456000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	1062000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	715000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	49431000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	53239000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	83831000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	88267000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	51601000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	53084000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	2044000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	4530000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	9162000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	11235000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	376000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	628000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	5829000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	7873000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	10385000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	11617000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	11387000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	11857000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	624000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1236000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	18492000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	17924000	USD
CY2016Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	14249000	USD
CY2017Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	18189000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	0	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	58000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	652000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	676000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	19308000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	17459000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	4212000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	4316000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	14440000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	16893000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	221400000	USD
CY2015	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	8900000	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
CY2015	us-gaap	Depreciation Depreciation	30100000	USD
CY2016	us-gaap	Depreciation Depreciation	36400000	USD
CY2017	us-gaap	Depreciation Depreciation	44600000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	52583000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	56776000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	61148000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.07
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.29
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.12
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.66
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
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.03
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.28
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.37
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.64
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
CY2015	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-7982000	USD
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
CY2016Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	105716000	USD
CY2017Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	109088000	USD
CY2017Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	126100000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	9517000	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
CY2016Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	82809000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	58256000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	11080000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5076000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	6283000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	6415000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	6909000	USD
CY2016Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	133310000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	100810000	USD
CY2016Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	50501000	USD
CY2017Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	42554000	USD
CY2017	us-gaap	Foreign Earnings Repatriated ForeignEarningsRepatriated	86000000	USD
CY2016Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	28557000	USD
CY2017Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	32781000	USD
CY2015	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	135540000	USD
CY2015Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	34253000	USD
CY2016Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	34803000	USD
CY2016Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	34182000	USD
CY2016Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	35193000	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
CY2016Q3	us-gaap	Goodwill Goodwill	555965000	USD
CY2017Q3	us-gaap	Goodwill Goodwill	555965000	USD
CY2015	us-gaap	Gross Profit GrossProfit	1587562000	USD
CY2015Q4	us-gaap	Gross Profit GrossProfit	403803000	USD
CY2016Q1	us-gaap	Gross Profit GrossProfit	401447000	USD
CY2016Q2	us-gaap	Gross Profit GrossProfit	412179000	USD
CY2016Q3	us-gaap	Gross Profit GrossProfit	440400000	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
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	530684000	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
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	30660000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	84153000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	122648000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	561344000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	132084000	USD
CY2016Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	115066000	USD
CY2016Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	139840000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	162901000	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
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	196330000	USD
CY2015Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	42368000	USD
CY2016Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	39651000	USD
CY2016Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	48051000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	53966000	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
CY2015	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	18236000	USD
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
CY2015	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1386000	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
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	196470000	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
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	15462000	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
CY2015	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	1276000	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
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	13030000	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
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	21000000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	10286000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	18368000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	164362000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	162944000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	12795000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	189235000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	39521000	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
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	38680000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-9732000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	24115000	USD
CY2015	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	146561000	USD
CY2016	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	86931000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	94064000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	9246000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	334000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-4218000	USD
CY2015	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-569000	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
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	6533000	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
CY2015	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	357000	USD
CY2016	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	3000	USD
CY2017	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	73000	USD
CY2016Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	23642000	USD
CY2017Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	20280000	USD
CY2016Q3	us-gaap	Inventory Net InventoryNet	34051000	USD
CY2017Q3	us-gaap	Inventory Net InventoryNet	29834000	USD
CY2016Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	10409000	USD
CY2017Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	9554000	USD
CY2017	us-gaap	Lease Expiration Date1 LeaseExpirationDate1	2022-12-31
CY2016Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	83712000	USD
CY2017Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	88410000	USD
CY2016Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2306323000	USD
CY2017Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2480800000	USD
CY2016Q3	us-gaap	Liabilities Current LiabilitiesCurrent	844238000	USD
CY2017Q3	us-gaap	Liabilities Current LiabilitiesCurrent	934601000	USD
CY2016Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	276823000	USD
CY2017Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	316807000	USD
CY2016Q3	us-gaap	Long Term Investments LongTermInvestments	276375000	USD
CY2017Q3	us-gaap	Long Term Investments LongTermInvestments	284802000	USD
CY2017Q3	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	7000000	USD
CY2016Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	158127000	USD
CY2017Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	177235000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	108935000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-556902000	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
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-10699000	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
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	684541000	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
CY2015	us-gaap	Net Income Loss NetIncomeLoss	365014000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	89716000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	75415000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	91789000	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
CY2015	us-gaap	Operating Expenses OperatingExpenses	1034663000	USD
CY2015Q4	us-gaap	Operating Expenses OperatingExpenses	272854000	USD
CY2016Q1	us-gaap	Operating Expenses OperatingExpenses	286514000	USD
CY2016Q2	us-gaap	Operating Expenses OperatingExpenses	273317000	USD
CY2016Q3	us-gaap	Operating Expenses OperatingExpenses	277767000	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
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	552899000	USD
CY2015Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	130949000	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	114933000	USD
CY2016Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	138862000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	162633000	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
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	468088000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	27713000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	2828000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	37250000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	38764000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	40892000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	24864000	USD
CY2017Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	298605000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	28300000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	30100000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	30200000	USD
CY2016Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	33420000	USD
CY2017Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	34948000	USD
CY2016Q3	us-gaap	Other Assets Current OtherAssetsCurrent	52579000	USD
CY2017Q3	us-gaap	Other Assets Current OtherAssetsCurrent	67538000	USD
CY2016	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	27000	USD
CY2016Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	59890000	USD
CY2017Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	53775000	USD
CY2015	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	293000	USD
CY2017	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-1132000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-5997000	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
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5704000	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
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	86000	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
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	50000	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
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	379000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	23000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-822000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	222000	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
CY2016Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	16577000	USD
CY2017Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	17469000	USD
CY2016Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	34138000	USD
CY2017Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	44589000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8445000	USD
CY2015Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1135000	USD
CY2016Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	133000	USD
CY2016Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	978000	USD
CY2016Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	268000	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
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	606858000	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
CY2017	us-gaap	Payments For Restructuring PaymentsForRestructuring	4977000	USD
CY2015	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	6779000	USD
CY2016	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	4750000	USD
CY2017	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	4000000	USD
CY2015	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	609875000	USD
CY2016	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	354708000	USD
CY2017	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	446838000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	60307000	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
CY2016Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2017Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2016Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2017Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2016Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	40439000	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	44869000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	47039000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	461327000	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
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	205292000	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
CY2016Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	270396000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	298426000	USD
CY2016Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	123248000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	122420000	USD
CY2017Q3	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	20300000	USD
CY2015	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	296583000	USD
CY2015Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	81145000	USD
CY2016Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	86294000	USD
CY2016Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	83042000	USD
CY2016Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	83746000	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
CY2015	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2015Q4	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2016Q1	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2016Q2	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2016Q3	us-gaap	Restructuring Charges RestructuringCharges	0	USD
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
CY2016Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	0	USD
CY2017Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	7741000	USD
CY2016Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	0	USD
CY2016Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1185265000	USD
CY2017Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1229762000	USD
CY2015	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	991539000	USD
CY2015Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	234678000	USD
CY2016Q1	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	225441000	USD
CY2016Q2	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	231366000	USD
CY2016Q3	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	252984000	USD
CY2016	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	944469000	USD
CY2016Q4	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	239483000	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
CY2015	us-gaap	Sales Revenue Net SalesRevenueNet	1919823000	USD
CY2015Q4	us-gaap	Sales Revenue Net SalesRevenueNet	489486000	USD
CY2016Q1	us-gaap	Sales Revenue Net SalesRevenueNet	483677000	USD
CY2016Q2	us-gaap	Sales Revenue Net SalesRevenueNet	496522000	USD
CY2016Q3	us-gaap	Sales Revenue Net SalesRevenueNet	525349000	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
CY2015	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	928284000	USD
CY2015Q4	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	254808000	USD
CY2016Q1	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	258236000	USD
CY2016Q2	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	265156000	USD
CY2016Q3	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	272365000	USD
CY2016	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	1050565000	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
CY2015	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	602540000	USD
CY2015Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	157456000	USD
CY2016Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	156469000	USD
CY2016Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	156620000	USD
CY2016Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	158198000	USD
CY2016	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	628743000	USD
CY2016Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	164514000	USD
CY2017Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	164705000	USD
CY2017Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	160952000	USD
CY2017Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	162068000	USD
CY2017	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	652239000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	145553000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	156760000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	175326000	USD
CY2015	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 Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2444
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
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0017
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
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	834	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	3.10
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4400000	USD
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
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	2317	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	30.42
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	115000	USD
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	12574	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	976	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	21.84
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	3.18
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	114000	USD
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	3.18
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	974	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	21.66
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6M
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
CY2017Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	98000	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y226D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y11D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y7D
CY2017	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P10Y
CY2016Q3	us-gaap	Short Term Investments ShortTermInvestments	367824000	USD
CY2017Q3	us-gaap	Short Term Investments ShortTermInvestments	343700000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	8507000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2704000	USD
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	9281	shares
CY2015	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	40224000	USD
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
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	145553000	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
CY2015	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	215000	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
CY2017Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	173700000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	4561213	shares
CY2015	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	606858000	USD
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
CY2014Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1369310000	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
CY2017	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	131.56
CY2014Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6394000	USD
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
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	642000	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
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	116000	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
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1290000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	4441000	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
CY2016Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	920000	USD
CY2017Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1178000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	466000	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
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	68000	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
CY2015Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	8000000	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
CY2016	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	4200000	USD
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	3900000	USD
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	603000	shares
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
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72547000	shares
CY2015Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	69878000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67804000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67235000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66262000	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
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71944000	shares
CY2015Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69554000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67549000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66851000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65772000	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
CY2017	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, 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. At </font><font style="font-family:inherit;font-size:10pt;">September 30, 2016</font><font style="font-family:inherit;font-size:10pt;">, Westcon Group, Inc. and Ingram Micro, Inc. accounted for </font><font style="font-family:inherit;font-size:10pt;">18.0%</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">15.5%</font><font style="font-family:inherit;font-size:10pt;"> of the Company’s accounts receivable, respectively.</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>
CY2017	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, 2017</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;">2016</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">2015</font><font style="font-family:inherit;font-size:10pt;"> were not considered material.</font></div></div>
CY2017	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
0001048695-17-000028-index-headers.html	Edgar Link	pending
0001048695-17-000028-index.html	Edgar Link	pending
0001048695-17-000028.txt	Edgar Link	pending
0001048695-17-000028-xbrl.zip	Edgar Link	pending
ffiv-20170930.xml	Edgar Link	completed
ffiv-20170930.xsd	Edgar Link	pending
ffiv-20170930_cal.xml	Edgar Link	unprocessable
ffiv-20170930_def.xml	Edgar Link	unprocessable
ffiv-20170930_lab.xml	Edgar Link	unprocessable
ffiv-20170930_pre.xml	Edgar Link	unprocessable
ffiv10k9-30x2017.htm	Edgar Link	pending
ffiv10k9-30_chartx20834a06.jpg	Edgar Link	pending
ffiv10kex10189302017.htm	Edgar Link	pending
ffiv10kex2119302017.htm	Edgar Link	pending
ffiv10kex2319302017.htm	Edgar Link	pending
ffiv10kex3119302017.htm	Edgar Link	pending
ffiv10kex3129302017.htm	Edgar Link	pending
ffiv10kex3219302017.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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$FFIV
F5, INC. Stock $ffiv

2017 Form 10-K Financial Statement

#000104869517000028 Filed on November 03, 2017

Income Statement

Balance Sheet

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Facts In Submission

Files In Submission

$FFIV F5, INC. Stock $ffiv

2017 Form 10-K Financial Statement

#000104869517000028 Filed on November 03, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FFIV
F5, INC. Stock $ffiv