Number of Geographic Regions

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Subparagraph (a)
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Segment Information (Details) $ in Thousands	3 Months Ended								12 Months Ended
Segment Information (Details) $ in Thousands	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2020 USD ($) geographic_region segment	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments \| segment									1
Number of Geographic Regions \| geographic_region									3
Net revenues	$ 614,816	$ 583,252	$ 583,449	$ 569,305	$ 590,388	$ 563,394	$ 544,895	$ 543,770	$ 2,350,822	$ 2,242,447	$ 2,161,407
Property and equipment, net	229,239				223,426				229,239	223,426
Product [Member]
Segment Reporting Information [Line Items]
Net revenues	278,451	$ 253,331	$ 259,538	$ 234,536	264,926	$ 248,929	$ 237,859	$ 233,877	1,025,856	985,591	960,108
Product [Member] \| Systems
Segment Reporting Information [Line Items]
Net revenues									668,313	745,798	810,182
Product [Member] \| Software
Segment Reporting Information [Line Items]
Net revenues									357,543	239,793	149,926
United States [Member]
Segment Reporting Information [Line Items]
Net revenues									1,221,190	1,137,556	1,088,270
Property and equipment, net	190,509				194,176				190,509	194,176
Other Americas [Member]
Segment Reporting Information [Line Items]
Net revenues									95,878	108,112	116,073
Americas [Member]
Segment Reporting Information [Line Items]
Net revenues									1,317,068	1,245,668	1,204,343
EMEA [Member]
Segment Reporting Information [Line Items]
Net revenues									593,307	553,701	546,239
Property and equipment, net	20,361				13,451				20,361	13,451
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Net revenues									440,447	443,078	$ 410,825
Other International Countries [Member]
Segment Reporting Information [Line Items]
Property and equipment, net	$ 18,369				$ 15,799				$ 18,369	$ 15,799
Customer One [Member] \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage									16.70%	18.20%	16.60%
Customer Two [Member] \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage									0.00%	10.20%	11.60%
Customer Three [Member] \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage									0.00%	10.00%	10.40%
Customer Four [Member] \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage									0.00%	0.00%	10.80%
Customer Five [Member] \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage									0.00%	0.00%	10.70%