Restructuring, Impairment and Other Charges - Restructuring Charges By Statement of Income Account (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Schedule of restructuring and related costs
Restructuring Charges	$ 928	$ 4,346	$ 6,761	$ 21,404
Cost of sales – services
Schedule of restructuring and related costs
Restructuring Charges	514	2,124	1,353	8,983
Cost of sales – products
Schedule of restructuring and related costs
Restructuring Charges	0	212	68	429
Selling and administrative expense
Schedule of restructuring and related costs
Restructuring Charges	414	1,859	5,366	9,375
Research, development and engineering expense
Schedule of restructuring and related costs
Restructuring Charges	$ 0	$ 151	$ (26)	$ 2,617