Commitments and Contingencies (Details Numeric) (USD $)	0 Months Ended	9 Months Ended
	Jan. 31, 2014 remedy	Sep. 30, 2014	Jul. 31, 2013 class_member
Letters of Credit and Bank Guarantees [Abstract]
Letters of credit and bank guarantees outstanding		$ 215,000,000
Letters of credit renewal option		1 year
Tennille Complaint [Abstract]
Number of class members who filed appeals			2
Settlement Agreement with the State of Arizona [Abstract]
Remedy election period	180 days
Number of remedies	1
Expense reimbursement increments	500,000
Primary Recommendations [Member]
Settlement Agreement with the State of Arizona [Abstract]
Settlement amount contingently payable for ineffective program implementation	50,000,000
Settlement amount for individual recommendation implementation failure	1,000,000
Primary Recommendations [Member] | Minimum [Member]
Settlement Agreement with the State of Arizona [Abstract]
Number of primary settlement recommendations	70
Secondary Recommendations [Member]
Settlement Agreement with the State of Arizona [Abstract]
Settlement amount contingently payable for ineffective program implementation	25,000,000
Settlement amount for individual recommendation implementation failure	500,000
Money Transfer Transaction Data Analysis Center [Member]
Settlement Agreement with the State of Arizona [Abstract]
One-time settlement payment	250,000
Monthly settlement payment	$ 150,000
Monthly settlement payment funding period	5 years