Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 7,748	$ 11,519	$ 31,334	$ 38,740
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			13,991
Provision			31,334
Payments			(29,588)
Restructuring Reserve, Translation Adjustment			148
Other, including write-offs of fixed assets and acquired balances			(474)
Severance and other restructuring reserve, ending balance	15,411		15,411
Energy Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	5,170	6,183	17,196	26,561
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,293	3,694	4,033	8,796
Fluids Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,139	1,382	9,129	3,537
Refrigeration and Food Equipment Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	146	91	219	(434)
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	169	757	280
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			11,036
Provision			23,867
Payments			(25,064)
Restructuring Reserve, Translation Adjustment			101
Other, including write-offs of fixed assets and acquired balances			1,929
Severance and other restructuring reserve, ending balance	11,869		11,869
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			2,955
Provision			7,467
Payments			(4,524)
Restructuring Reserve, Translation Adjustment			47
Other, including write-offs of fixed assets and acquired balances			(2,403)
Severance and other restructuring reserve, ending balance	3,542		3,542
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,771	3,943	12,951	13,871
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 4,977	$ 7,576	$ 18,383	$ 24,869