Concentration Risk (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Concentration Risk [Line Items]
Average vault cash	$ 3,500.0	$ 3,700.0
Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Contract extension period			1 month
ATM Purchase [Member] | Supplier Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk percentage			60.00%	45.00%
U.S. | Vault Cash [Member] | Customer Concentration Risk
Concentration Risk [Line Items]
Average vault cash			$ 3.5
Minimum | Vault Cash [Member] | Lender Concentration Risk [Member]
Concentration Risk [Line Items]
Typical contract termination notification period			180 days
Notice period to modify the pricing terms			60 days
Maximum | Vault Cash [Member] | Lender Concentration Risk [Member]
Concentration Risk [Line Items]
Typical contract termination notification period			360 days
Notice period to modify the pricing terms			180 days
Top Five Merchants | Sales Revenue, Net [Member] | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk percentage			39.20%	37.00%
Second Through Fifth Largest Customers | Sales Revenue, Net [Member] | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk percentage			21.00%	19.00%
Seven Eleven | Sales Revenue, Net [Member] | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk percentage			18.00%	18.00%
Elan Financial Services [Member] | U.S. | Vault Cash [Member] | Lender Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk percentage			26.10%
Bank Of America [Member] | U.S. | Vault Cash [Member] | Lender Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk percentage			12.50%
Wells Fargo [Member] | U.S. | Vault Cash [Member] | Lender Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk percentage			18.10%