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Performance Obligations (Details)	9 Months Ended
	Sep. 30, 2021
Revenue from Contract with Customer Performance Obligations [Abstract]
Revenue Recognized Point-in-time, Percent	95.00%
Revenue Recognized Over-time, Percent	5.00%
Unsatisfied Performance Obligations Expected to Recognize as Revenue, Percent	48.00%

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- Definition

Revenue Recognized Over-time, Percent

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No definition available.

+ Details

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Namespace Prefix:	dov_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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- Definition

Revenue Recognized Point-in-time, Percent

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No definition available.

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Name:	dov_RevenueRecognizedPointInTimePercent
Namespace Prefix:	dov_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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- Definition

Revenue from Contract with Customer Performance Obligations [Abstract]

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No definition available.

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Name:	dov_RevenuefromContractwithCustomerPerformanceObligationsAbstract
Namespace Prefix:	dov_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Unsatisfied Performance Obligations Expected to Recognize as Revenue, Percent

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No definition available.

+ Details

Name:	dov_UnsatisfiedPerformanceObligationsExpectedToRecognizeAsRevenuePercent
Namespace Prefix:	dov_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant