Restructuring and Other Charges (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 employees	Sep. 30, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated			350
Restructuring and other charges (recoveries), net	$ 74	$ 0	$ 8,081	$ 768
Restructuring obligations settlement period			January 2014
Employee severance and termination benefits from cost management actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net			$ 7,100