Restructuring Charges (Number of Positions Eliminated Rollfoward) (Details) - Employees	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Restructuring and Related Cost, Number of Positions Eliminated [Roll Forward]
Planned reductions - January 1	133	51
Additional planned reductions	80	233
Actual reductions	(106)	(172)
Planned reductions - June 30	107	112