Restructuring and Other Expense - Activity (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended			9 Months Ended	3 Months Ended			20 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended			20 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended			20 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Oct. 22, 2012 2012 Global Processing Improvement Restructuring Program	Sep. 30, 2014 2012 Global Processing Improvement Restructuring Program	Jun. 30, 2014 2012 Global Processing Improvement Restructuring Program	Mar. 31, 2014 2012 Global Processing Improvement Restructuring Program	Sep. 30, 2014 Severance and Related	Sep. 30, 2014 Severance and Related 2012 Global Processing Improvement Restructuring Program	Jun. 30, 2014 Severance and Related 2012 Global Processing Improvement Restructuring Program	Mar. 31, 2014 Severance and Related 2012 Global Processing Improvement Restructuring Program	Jun. 30, 2014 Severance and Related 2012 Global Processing Improvement Restructuring Program	Sep. 30, 2014 Lease Termination Costs	Sep. 30, 2014 Lease Termination Costs	Sep. 30, 2014 Lease Termination Costs 2012 Global Processing Improvement Restructuring Program	Jun. 30, 2014 Lease Termination Costs 2012 Global Processing Improvement Restructuring Program	Mar. 31, 2014 Lease Termination Costs 2012 Global Processing Improvement Restructuring Program	Jun. 30, 2014 Lease Termination Costs 2012 Global Processing Improvement Restructuring Program	Sep. 30, 2014 Other	Sep. 30, 2014 Other	Sep. 30, 2014 Other 2012 Global Processing Improvement Restructuring Program	Jun. 30, 2014 Other 2012 Global Processing Improvement Restructuring Program	Mar. 31, 2014 Other 2012 Global Processing Improvement Restructuring Program	Jun. 30, 2014 Other 2012 Global Processing Improvement Restructuring Program	Jun. 30, 2014 Inventory write-offs 2012 Global Processing Improvement Restructuring Program
Restructuring Cost and Reserve [Line Items]
Expected reduction in operating expenses, percent					25.00%
Restructuring cost incurred to date													$ 21.2						$ 1.1						$ 4.5	$ 9.6
Restructuring Reserve [Roll Forward]
Accrued balance, beginning						3.7	2.1	3.4		3.0	1.7	2.2				0.3	0.3	0.4				0.4	0.1	0.8
Charges	1.3	0.5	5.1	3.6		0.9	2.6	0.6	0.2	0.8	2.2	0.4		0.2	0.2	0	0	0.1		0.2	0.6	0.1	0.4	0.1
Usage and payments						(3.4)	(1.1)	(1.8)		(2.9)	(0.9)	(0.9)				(0.1)	0	(0.1)				(0.4)	(0.2)	(0.8)
Currency impacts						(0.1)	0.1	(0.1)		0	0	0				(0.1)	0	(0.1)				0	0.1	0
Accrued balance, ending						$ 1.1	$ 3.7	$ 2.1		$ 0.9	$ 3.0	$ 1.7	$ 3.0			$ 0.1	$ 0.3	$ 0.3	$ 0.3			$ 0.1	$ 0.4	$ 0.1	$ 0.4