Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended		12 Months Ended	24 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 3,336	$ 24,201	$ 12,010	$ 36,423
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance	$ 11,044			28,164		$ 28,164	$ 28,164
Provision				12,010
Payments				(25,919)
Other, including foreign currency translation				(3,211)
Severance and other restructuring reserve, ending balance		11,044		11,044
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		852	10,637	3,730	13,872
Fluids Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		1,732	10,473	5,128	16,021
Refrigeration and Food Equipment Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		495	452	2,134	598
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		257	2,639	1,018	5,932
Footprint Consolidation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges				4,000
Footprint Consolidation Costs [Member] | Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	6,000						10,000
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance	8,752			24,284		24,284	24,284
Provision				8,695
Payments				(23,583)
Other, including foreign currency translation				(644)
Severance and other restructuring reserve, ending balance		8,752		8,752
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance	2,292			3,880		3,880	$ 3,880
Provision				3,315
Payments				(2,336)
Other, including foreign currency translation				(2,567)
Severance and other restructuring reserve, ending balance		2,292		2,292
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		2,073	3,586	4,435	7,985
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 1,263	$ 20,615	7,575	$ 28,438
Selling, General and Administrative Expenses [Member] | Rightsizing Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges				$ 7,000
Selling, General and Administrative Expenses [Member] | Rightsizing Costs [Member] | Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,000					$ 9,000