Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 9,199	$ 3,118	$ 23,586	$ 27,221
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			13,991
Provision			23,586
Payments			(19,568)
Restructuring Reserve, Translation Adjustment			46
Other, including write-offs of fixed assets and acquired balances			0
Severance and other restructuring reserve, ending balance	18,055		18,055
Energy Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	5,610	2,556	12,026	20,378
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	773	747	2,740	5,102
Fluids Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,764	58	7,990	2,155
Refrigeration and Food Equipment Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	52	(243)	73	(525)
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0	757	111
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			11,036
Provision			17,052
Payments			(16,973)
Restructuring Reserve, Translation Adjustment			10
Other, including write-offs of fixed assets and acquired balances			2,374
Severance and other restructuring reserve, ending balance	13,499		13,499
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			2,955
Provision			6,534
Payments			(2,595)
Restructuring Reserve, Translation Adjustment			36
Other, including write-offs of fixed assets and acquired balances			(2,374)
Severance and other restructuring reserve, ending balance	4,556		4,556
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4,329	2,474	10,180	9,928
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 4,870	$ 644	$ 13,406	$ 17,293