Summary Of Significant Accounting Policies (Details) (USD $)	1 Months Ended	12 Months Ended
	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2011	Aug. 31, 2012
Summary Of Significant Accounting Policies [Line Items]
Book overdrafts included in accounts payable	$ 33,900,000	$ 35,600,000	$ 33,900,000
Maximum funding by facility					1,500,000,000
Commitment period (in months)	2 months
Line Of Credit Maximum Issue Limit		6,000,000
Period at which loans are classified as non-accrual (in days)		90 days
Weighted-average life of intangible assets with finite lives (in years)		28 years
Refundable deposit from franchisees		2,500
Total advertising costs of continuing operations		270,800,000	278,800,000	243,300,000
Proceeds from sale of retail tax offices		3,800,000	17,300,000	65,600,000
Gain on sales of retail tax offices		1,300,000	16,600,000	45,100,000
Contributions of continuing operations to 401(k) defined contribution plans		11,300,000	12,800,000	12,100,000
Expenses related to severance benefits		4,800,000	32,500,000	29,600,000
Net unrealized holding gain on AFS securities	3,600,000	3,700,000	3,600,000
Foreign currency translation adjustment		6,800,000	8,600,000
Buildings
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		15 years
Computers And Other Equipment
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	3 years
Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		3 years
Leasehold Improvements
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		8 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Mortgage loan's past due, in days		180 days
Maximum | Buildings
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life		40 years
Maximum | Computers And Other Equipment
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	5 years
Minimum
Summary Of Significant Accounting Policies [Line Items]
Mortgage loan's past due, in days		60 days
Emerald Advance lines of credit
Summary Of Significant Accounting Policies [Line Items]
Maximum funding by facility		1,000
Royalties from franchisees
Summary Of Significant Accounting Policies [Line Items]
Line Of Credit Maximum Issue Limit		$ 2,500
Software Development [Member]
Summary Of Significant Accounting Policies [Line Items]
Weighted-average life of intangible assets with finite lives (in years)		36 months
Royalties from franchisees
Summary Of Significant Accounting Policies [Line Items]
Financing Recievable, Period after which Charge Off Occurs		180 days
Financincing Receivable, Period After Which Charge Off Occurs, Days of Receipt of Bankruptcy Filing or Other Event		60 days