Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended			12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2019	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5,738	$ 8,135		$ 8,674	$ 12,222
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			$ 15,561	28,164		$ 28,164
Provision				8,674
Payments				(18,271)
Other, including foreign currency translation				(3,006)
Severance and other restructuring reserve, ending balance	15,561			15,561
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,508	1,860		2,878	3,235
Fluids Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,277	3,497		3,396	5,548
Refrigeration and Food Equipment Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	227	234		1,639	146
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	726	2,544		761	3,293
Footprint Consolidation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges				2,000
Footprint Consolidation Costs [Member] | Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			8,000			10,000
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			12,386	24,284		24,284
Provision				5,730
Payments				(16,983)
Other, including foreign currency translation				(645)
Severance and other restructuring reserve, ending balance	12,386			12,386
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			3,175	3,880		3,880
Provision				2,944
Payments				(1,288)
Other, including foreign currency translation				(2,361)
Severance and other restructuring reserve, ending balance	3,175			3,175
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,183	2,192		2,362	4,399
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 4,555	$ 5,943		6,312	$ 7,823
Selling, General and Administrative Expenses [Member] | Rightsizing Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges				$ 4,000
Selling, General and Administrative Expenses [Member] | Rightsizing Costs [Member] | Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 2,000			$ 6,000