Revenue Performance Obligations (Details)	Sep. 30, 2018
Revenue from Contract with Customer Performance Obligations [Abstract]
Revenue, Performance Obligation Satisfied at Point in Time, Transfer of Control	95.00%
Revenue, Performance Obligation Satisfied at Over Time, Transfer of Control Percentage	5.00%

Revenue, Performance Obligation Satisfied at Point in Time, Transfer of Control Percentage

No definition available.

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