Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,936	$ 4,220
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance	28,164		$ 18,231	$ 28,164
Provision	2,936
Payments	(11,200)
Other, including write-offs of fixed assets	(1,669)
Severance and other restructuring reserve, ending balance	18,231
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	370	1,375
Fluids Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,119	2,051
Refrigeration and Food Equipment Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,412	45
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	35	749
Footprint Consolidation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,000
Footprint Consolidation Costs [Member] | Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			9,000	10,000
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance	24,284		14,695	24,284
Provision	1,941
Payments	(10,776)
Other, including write-offs of fixed assets	(754)
Severance and other restructuring reserve, ending balance	14,695
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance	3,880		3,536	3,880
Provision	995
Payments	(424)
Other, including write-offs of fixed assets	(915)
Severance and other restructuring reserve, ending balance	3,536
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,179	2,339
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,757	$ 1,881
Selling, General and Administrative Expenses [Member] | Rightsizing Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,000
Selling, General and Administrative Expenses [Member] | Rightsizing Costs [Member] | Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 3,000	$ 5,000