Debt (Details) (USD $)								9 Months Ended		9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Sep. 30, 2013 InsurancePremiumFinanced [Member] UNITED STATES	Sep. 30, 2013 Revolving Credit Facility [Member] India [Member]	Sep. 30, 2013 Secured Debt [Member] Europe [Member]	Sep. 30, 2013 Foreign Line of Credit [Member] Brazil [Member]	Sep. 30, 2013 Pnc Bank [Member] Revolving Credit Facility [Member]	Sep. 30, 2013 Pnc Bank [Member] Domestic Line of Credit [Member]	Sep. 30, 2013 London Interbank Offered Rate (LIBOR) [Member] Pnc Bank [Member] Revolving Credit Facility [Member]
Short-term Debt [Line Items]
Revolving line of credit maximum borrowing capacity							$ 46,700,000	$ 45,000,000.00	$ 10,000,000.00
Revolving Credit and Security Agreement expiring date								Apr. 21, 2015
Debt Instrument, Description of Variable Rate Basis										LIBOR
Unused capacity, commitment fee percentage								0.375%
Consolidated borrowings					10,600,000	2,600,000	30,700,000	10,000,000
Letters of Credit Outstanding, Amount	3,400,000
Other Short-term Borrowings				500,000
Line of Credit Facility, Remaining Borrowing Capacity					1,900,000		16,000,000	7,500,000
Debt and Capital Lease Obligations	$ 58,200,000	$ 61,400,000
Interest rate for borrowings	7.70%		9.10%