Restructuring Charges (Number of Positions Eliminated Rollfoward) (Details)	6 Months Ended
	Jun. 30, 2013 Employees	Jun. 30, 2012 Employees
Restructuring and Related Cost, Number of Positions Eliminated [Roll Forward]
Planned reductions - January 1	54	0
Additional planned reductions	317	0
Actual reductions	(233)	0
Planned reductions - March 31	138	0