Restructuring Charges (Details Textual) (USD $) In Millions, unless otherwise specified	1 Months Ended	9 Months Ended	1 Months Ended
	Dec. 31, 2012 December 2012 Restructuring Program [Member] employee	Dec. 31, 2013 December 2012 Restructuring Program [Member]	Dec. 31, 2012 December 2012 Restructuring Program [Member] Workforce Reduction [Member] Minimum [Member]	Dec. 31, 2012 December 2012 Restructuring Program [Member] Workforce Reduction [Member] Maximum [Member]	Dec. 31, 2012 December 2012 Restructuring Program [Member] Other Operational Expense [Member] Minimum [Member]	Dec. 31, 2012 December 2012 Restructuring Program [Member] Other Operational Expense [Member] Maximum [Member]	Sep. 30, 2013 August 2013 Restructuring Program [Member]	Aug. 31, 2013 August 2013 Restructuring Program [Member] employee	Aug. 31, 2013 August 2013 Restructuring Program [Member] Workforce Reduction [Member]	Aug. 31, 2013 August 2013 Restructuring Program [Member] Other Operational Expense [Member]
Restructuring Charges (Textual) [Abstract]
Number of positions eliminated	70							20
Anticipated reduction in expenses			$ 8.0	$ 9.0	$ 4.0	$ 5.0			$ 3.0	$ 0.5
Restructuring costs incurred to date and expected to be incurred		1.8
Restructuring costs expected to be recognized							$ 1.0