Restructuring and Other Expenses Activity (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		0 Months Ended	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Oct. 22, 2012 Global Processing Improvement Restructuring Program 2012 [Member]	Jun. 30, 2013 Global Processing Improvement Restructuring Program 2012 [Member]	Mar. 31, 2013 Global Processing Improvement Restructuring Program 2012 [Member]	Jun. 30, 2013 Severance and Related Global Processing Improvement Restructuring Program 2012 [Member]	Mar. 31, 2013 Severance and Related Global Processing Improvement Restructuring Program 2012 [Member]	Jun. 30, 2013 Lease Termination Costs Global Processing Improvement Restructuring Program 2012 [Member]	Mar. 31, 2013 Lease Termination Costs Global Processing Improvement Restructuring Program 2012 [Member]	Jun. 30, 2013 Other Global Processing Improvement Restructuring Program 2012 [Member]	Mar. 31, 2013 Other Global Processing Improvement Restructuring Program 2012 [Member]
Restructuring Cost and Reserve [Line Items]
Expected reduction in operating expenses, percent					25.00%
Reduction in global workforce					20.00%
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period						$ 13.9	$ 16.9	$ 11.9	$ 15.4	$ 0.5	$ 0.5	$ 1.5	$ 1.0
Restructuring Charges	1.6	3.1	3.1	3.7		1.9	2.6	0.9	1.7	0.5	0.1	0.5	0.8
Usage and payments						(7.1)	(5.3)	(6.5)	(5.0)	(0.2)	(0.1)	(0.4)	(0.2)
Currency impacts						0	(0.3)	0.1	(0.2)	(0.1)	0	0	(0.1)
Accrued balance, end of period						$ 8.7	$ 13.9	$ 6.4	$ 11.9	$ 0.7	$ 0.5	$ 1.6	$ 1.5