Long-term Debt - Additional Information (Detail) (USD $)	1 Months Ended				1 Months Ended		1 Months Ended					1 Months Ended
	Jul. 01, 2013 Subsequent Event NetSpend Holdings Inc	May 22, 2013 2.375% Senior Notes due 2018	May 22, 2013 3.750% Senior Notes due 2023	May 22, 2013 Senior Notes	Sep. 10, 2012 Unsecured revolving credit facility	Sep. 10, 2012 Unsecured revolving credit facility Maximum	Jul. 01, 2013 Unsecured revolving credit facility Subsequent Event NetSpend Holdings Inc	Sep. 10, 2012 Unsecured revolving credit facility Standby letters of credit	Sep. 10, 2012 Unsecured revolving credit facility Swingline loans	Feb. 19, 2013 Bridge Loan Facility	Feb. 19, 2013 Bridge Loan Facility Before Amendment	Apr. 08, 2013 Term Loan	Apr. 08, 2013 Term Loan London Interbank Offered Rate (LIBOR)	Apr. 08, 2013 Term Loan London Interbank Offered Rate (LIBOR) Maximum	Apr. 08, 2013 Term Loan London Interbank Offered Rate (LIBOR) Minimum
Debt Disclosure [Line Items]
Credit agreement term					5 years							5 years
Credit agreement, maximum borrowing capacity					$ 350,000,000			$ 50,000,000	$ 50,000,000			$ 200,000,000
Debt instrument, margin rate													1.125%	1.75%	1.00%
Bridge loan facility, term										364 days
Credit agreement commitment											1,200,000,000
Debt instrument, fee amount				8,900,000						5,900,000
Aggregate principal amount		550,000,000	550,000,000
Senior notes maturity year		2018	2023
Senior notes interest rate		2.375%	3.75%
Debt instrument, discount				4,300,000
Cash paid for business acquisition	1,400,000,000
Unsecured revolving credit facility, increased additional borrowings						350,000,000
Long-term debt					150,000,000
Debt instrument maturity period					5 years
Proceeds from credit agreement, additional funding amount							$ 150,000,000