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v3.19.1

Revenue - Additional Information (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2019 USD ($) Segment
Revenue From Contract With Customer [Line Items] |
Number of operating segments | Segment | 2
Remaining performance obligations | $ | $ 1.3
Minimum |
Revenue From Contract With Customer [Line Items] |
Payment period from contract inception | 30 days
Maximum |
Revenue From Contract With Customer [Line Items] |
Payment period from contract inception | 90 days
Hardware Products | Minimum |
Revenue From Contract With Customer [Line Items] |
Payment period, after shipment | 30 days
Hardware Products | Maximum |
Revenue From Contract With Customer [Line Items] |
Payment period, after shipment | 60 days
Software Licenses | Minimum |
Revenue From Contract With Customer [Line Items] |
Payment period, after shipment | 30 days
Contract period | 1 year
Software Licenses | Maximum |
Revenue From Contract With Customer [Line Items] |
Payment period, after shipment | 60 days
Contract period | 3 years
Software Maintenance and Support Services | Minimum |
Revenue From Contract With Customer [Line Items] |
Payment period, after shipment | 30 days
Contract period | 1 year
Software Maintenance and Support Services | Maximum |
Revenue From Contract With Customer [Line Items] |
Payment period, after shipment | 60 days
Contract period | 3 years
Extended Hardware Warranties | Minimum |
Revenue From Contract With Customer [Line Items] |
Payment period, after shipment | 30 days
Contract period | 1 year
Extended Hardware Warranties | Maximum |
Revenue From Contract With Customer [Line Items] |
Payment period, after shipment | 60 days
Contract period | 2 years

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- Definition Revenue from contract with customer. + References No definition available. + Details
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- Definition Revenue from contract with customer, period. + References No definition available. + Details
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Period Type: | duration

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- Definition Revenue, performance obligation, payment period. + References No definition available. + Details
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Balance Type: | na
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- Definition Revenue, performance obligation, payment period from inception. + References No definition available. + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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Period Type: | duration

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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045 + Details
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- Details
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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
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Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Period Type: |

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- Details
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Period Type: |