Restructuring (Narrative) (Details) (2014 Restructuring Program [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 position
Restructuring Cost and Reserve [Line Items]
Number of full-time positions eliminated	125
Employee Severance and Related Costs [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Total expected restructuring cost	$ 14.0
Employee Severance and Related Costs [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Total expected restructuring cost	$ 15.0