Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 3,118	$ 2,946	$ 27,221	$ 6,216
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			22,021
Provision			27,221
Payments			(27,507)
Restructuring Reserve, Translation Adjustment			(764)
Other, including foreign currency			(6,822)
Severance and other restructuring reserve, ending balance	14,149		14,149
Energy Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,556	1,419	20,378	1,490
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	747	1,236	5,102	3,021
Fluids Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	58	(367)	2,155	538
Refrigeration and Food Equipment Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	(243)	10	(525)	10
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	648	111	1,157
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			15,358
Provision			15,584
Payments			(21,151)
Restructuring Reserve, Translation Adjustment			(442)
Other, including foreign currency			197
Severance and other restructuring reserve, ending balance	9,546		9,546
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			6,663
Provision			11,637
Payments			(6,356)
Restructuring Reserve, Translation Adjustment			(322)
Other, including foreign currency			(7,019)
Severance and other restructuring reserve, ending balance	4,603		4,603
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,474	1,189	9,928	1,732
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 644	$ 1,757	$ 17,293	$ 4,484