Acquisitions Agreement ot Acquire Rheinhutte Pumpen Group (Details) - Feb. 21, 2019 - Subsequent Event [Member] € in Millions, $ in Millions	USD ($)	EUR (€) Employees
Business Acquisition [Line Items]
Agreed to Acquisition Purchase Price | €		€ 81
Business Acquisition, Date of Acquisition Agreement	Feb. 21, 2019
Agreement to Acquire, Name of Entity to be Acquired	Rheinhütte Pumpen Group (Rheinhütte)
Revenues | $	$ 66
Number of Employees at Entity to be Acquired | Employees		430
Expected Close Date of Entity to be Acquired	The acquisition is expected to close in the first half of 2019, subject to customary closing conditions and appropriate regulatory approvals.