Restructuring Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 4,582	$ 4,028	$ 23,423	$ 13,167
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			7,761
Provision			23,423
Payments			(18,299)
Other, including foreign currency			(30)
Severance and other restructuring reserve, ending balance	12,855		12,855
Communication Technologies Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	2,008	928	14,840	2,586
Energy Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	124	55	1,299	550
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	909	3,190	4,288	4,616
Printing and Identification Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1,541	(145)	2,996	5,415
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			5,160
Provision			17,640
Payments			(12,853)
Other, including foreign currency			(76)
Severance and other restructuring reserve, ending balance	9,871		9,871
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			2,601
Provision			5,783
Payments			(5,446)
Other, including foreign currency			46
Severance and other restructuring reserve, ending balance	2,984		2,984
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	239	1,454	10,566	2,440
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	4,343	2,574	12,857	10,727
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Expected future restructuring charges	27,500		27,500
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Expected future restructuring charges	$ 32,500		$ 32,500