Restructuring and Other Expense - Schedule of Restructuring Reserves (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Reserve [Roll Forward]
Charges	$ 5.4	$ 5.2	$ 19.7
2012 Global Processing Improvement Restructuring Program
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	3.4	14.7
Transfer from 2011 Corporate Program		2.2
Charges	4.4	6.8	14.9
Usage	(6.7)	(20.1)
Currency impacts	0.2	(0.2)
Accrued balance, end of period	1.3	3.4	14.7
Severance and Related | 2012 Global Processing Improvement Restructuring Program
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	2.2	13.8
Transfer from 2011 Corporate Program		1.6
Charges	3.7	3.7
Usage	(5.1)	(16.9)
Currency impacts	0	0
Accrued balance, end of period	0.8	2.2
Lease Termination Costs | 2012 Global Processing Improvement Restructuring Program
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	0.4	0.1
Transfer from 2011 Corporate Program		0.4
Charges	0.1	0.7
Usage	(0.2)	(0.7)
Currency impacts	0	(0.1)
Accrued balance, end of period	0.3	0.4
Other | 2012 Global Processing Improvement Restructuring Program
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	0.8	0.8
Transfer from 2011 Corporate Program		0.2
Charges	0.6	2.4
Usage	(1.4)	(2.5)
Currency impacts	0.2	(0.1)
Accrued balance, end of period	$ 0.2	$ 0.8