Restructuring and Other Expense - Schedule of Restructuring Accrual Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Restructuring Reserve [Roll Forward]
Charges	$ 0.6	$ 5.1
2012 Global Processing Improvement Restructuring Program
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	1.0
Charges	0.6
Usage	(1.6)
Accrued balance, end of period	0.0	1.0
Severance and Related | 2012 Global Processing Improvement Restructuring Program
Restructuring Reserve [Roll Forward]
Accrued balance, beginning of period	1.0
Charges	0.6
Usage	(1.6)
Accrued balance, end of period	$ 0.0	$ 1.0