Long-term Debt and Capital Lease Obligations - Recourse to EZCORP (Details) $ / shares in Units, shares in Millions		1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 02, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2016 USD ($) $ / shares $ / share shares	Mar. 31, 2015 USD ($)	Mar. 31, 2016 USD ($) day $ / shares $ / share shares	Mar. 31, 2015 USD ($)
Debt Instrument [Line Items]
Amortization of deferred financing costs					$ 1,575,000	$ 2,625,000
2.125% Cash convertible senior notes due 2019
Debt Instrument [Line Items]
Convertible senior notes issued and settled	$ 30,000,000.0	$ 200,000,000.0
Stated interest rate		2.125%
Option to purchase additional principal		$ 30,000,000.0
Deferred financing costs		8,800,000
Repurchase price, percent of principal amount					100.00%
Interest expense			$ 4,000,000	$ 3,800,000	$ 7,700,000	7,400,000
Contractual interest expense			1,200,000	1,200,000	2,400,000	$ 2,500,000
Debt discount amortization				$ 2,600,000	4,900,000
Amortization of deferred financing costs			$ 2,800,000		$ 5,300,000
Effective interest rate			7.00%		7.00%
Remaining unamortized issuance discount period					3 years
Common Stock Class A Non-voting | 2.125% Cash convertible senior notes due 2019
Debt Instrument [Line Items]
Conversion rate per $1000 principal amount					62.2471
Conversion price, per share (in dollars per share) | $ / shares			$ 16.065		$ 16.065
Trading day observation period					80 days
Threshold trading days (whether or not consecutive) | day					20
Threshold consecutive trading days					30 days
Threshold percentage of stock price trigger					130.00%
Early conversion condition, business day period					5 days
Measurement period					5 days
Early conversion condition, percent of product of the last reported sale price of stock and the conversion rate, less than 98%					98.00%
If-Converted Scenario | 2.125% Cash convertible senior notes due 2019
Debt Instrument [Line Items]
Interest expense					$ 37,400,000
Unamortized debt discount			$ 31,700,000		31,700,000
Unamortized debt issuance costs			$ 5,700,000		5,700,000
Cash Convertible Notes Hedges
Debt Instrument [Line Items]
Cost of hedge					46,500,000
Cost of hedge, net of total proceeds from Warrants sold					$ 21,300,000
Cash Convertible Notes Hedges | Common Stock Class A Non-voting
Debt Instrument [Line Items]
Notional amount (in shares) | shares			14.3		14.3
Strike price (dollars per share) | $ / share			16.065		16.065
Net-share-settled Warrants | Common Stock Class A Non-voting
Debt Instrument [Line Items]
Number of securities called | shares			14.3		14.3
Strike price for warrants (in dollars per share) | $ / shares			$ 20.83		$ 20.83
Net proceeds from sale of warrants					$ 25,100,000
Warrants outstanding (in shares) | shares			14.3		14.3
Long-term debt, less current maturities | Cash Convertible Notes Embedded Derivative
Debt Instrument [Line Items]
Fair value, derivative liability		$ 46,500,000
Accounting Standards Update 2015-03 | 2.125% Cash convertible senior notes due 2019
Debt Instrument [Line Items]
Effective interest rate			8.00%		8.00%