Restructuring Charges (Narrative) (Details) (USD $)	1 Months Ended	3 Months Ended
	Jan. 31, 2014	Mar. 31, 2014	Mar. 31, 2013
Restructuring Cost and Reserve [Line Items]
Expected reduction of expenses	$ 30,000,000
Restructuring charges		8,577,000	4,850,000
Accrued liabilities		7,800,000
Severance Cost[Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 8,000,000