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Significant Accounting Policies - Concentration of Credit Risk (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Significant Accounting Policies |  |
Allowance for doubtful accounts receivable | $ 0.3 | $ 0.3
Maturity period of irrevocable letters of credit, minimum | 0 days |
Maturity period of irrevocable letters of credit, maximum | 90 days |

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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Definition Represents the maximum period over which irrevocable letters of credit mature. + References No definition available. + Details
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Namespace Prefix: | veco_
Data Type: | xbrli:durationItemType
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- Definition Represents the minimum period over which irrevocable letters of credit mature. + References No definition available. + Details
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Namespace Prefix: | veco_
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Balance Type: | na
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