Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 24,201	$ 4,514	$ 36,423	$ 12,364
Restructuring and Related Cost, Expected Cost	39,000		39,000
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			31,272
Provision			36,423
Payments			(38,583)
Other, including write-offs of fixed assets			(1,222)
Severance and other restructuring reserve, ending balance	27,890		27,890
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	10,637	926	13,872	2,744
Fluids Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	10,473	2,403	16,021	6,910
Refrigeration and Food Equipment Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	452	1,185	598	2,710
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,639	0	5,932	0
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			25,681
Provision			31,786
Payments			(31,100)
Other, including write-offs of fixed assets			934
Severance and other restructuring reserve, ending balance	25,433		25,433
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			5,591
Provision			4,637
Payments			(7,483)
Other, including write-offs of fixed assets			288
Severance and other restructuring reserve, ending balance	2,457		2,457
Rightsizing Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	24,201		34,058
Restructuring and Related Cost, Expected Cost	18,000		18,000
Restructuring Reserve [Roll Forward]
Provision	21,000
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,586	1,840	7,985	6,075
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 20,615	$ 2,674	$ 28,438	$ 6,289