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Significant Accounting Policies - Cash, Cash Equivalents, and Short-term Investments (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Significant Accounting Policies
Cash equivalents	$ 86.2	$ 78.5
Cash and cash equivalents maintained outside the United States (as a percent)	31.00%	56.00%

X

- Definition

Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CashEquivalentsAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the percentage of cash and cash equivalents maintained outside of the United States by subsidiaries.

+ References

No definition available.

+ Details

Name:	veco_CashAndCashEquivalentsMaintainedOutsideBySubsidiariesAsPercent
Namespace Prefix:	veco_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant