Discontinued Operations (Narrative) (Details)	12 Months Ended			0 Months Ended		12 Months Ended	0 Months Ended	12 Months Ended		0 Months Ended		12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Oct. 16, 2012 Interdata [Member] USD ($)	Oct. 16, 2012 Interdata [Member] EUR (€)	Dec. 31, 2012 Interdata [Member] USD ($)	Oct. 12, 2012 Alcadon [Member] USD ($)	Dec. 31, 2012 Alcadon [Member] USD ($)	Dec. 28, 2012 Alcadon [Member] USD ($)	Mar. 29, 2012 CES [Member] USD ($)	Mar. 29, 2012 CES [Member] CHF	Dec. 31, 2012 CES [Member] USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operation, disposal of discontinued operation, purchase price				$ 19,000,000	€ 14,600,000		$ 7,700,000			$ 28,400,000	25,800,000
Transaction costs				800,000			300,000
Divestiture of Business, Escrow Adjustment									700,000
Proceeds from divestiture of business							6,500,000
Cash divested from deconsolidation							1,200,000
Share purchase agreement, potential purchase price allocation, cash less negotiated liabilities							800,000
Payments of dividends							3,700,000
Proceeds from Divestiture of Businesses, Net of Cash Divested							10,600,000
Amount put into escrow										2,800,000	2,600,000
Proceeds from sales of business										24,200,000
Other closing costs										1,200,000
Gain (loss) from discontinued operations	0	0	12,839,000			2,611,000		4,451,000				5,779,000
Income from discontinued operation, before tax												6,500,000
Loss from discontinued operation, before tax												100,000
Income tax netted from Income from Discontinued Operations												$ 400,000