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Debt, Senior Notes (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Jul. 30, 2013
Debt Instrument [Line Items]      
Premium paid on senior notes $ 29.7 $ 0.0  
Senior Notes [Member]      
Debt Instrument [Line Items]      
Aggregate principal amount $ 604.6    
Percentage of principal amount redeemed 105.156%    
Accrued and unpaid interest $ 10.2    
Write-off of unamortized debt issuance costs 15.8    
Premium paid on senior notes $ 29.7    
Senior Notes [Member] | Gardener Denver Inc. [Member]      
Debt Instrument [Line Items]      
Aggregate principal amount     $ 575.0
Maturity date Aug. 15, 2021