Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	3 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Condensed Consolidated Statements Of Cash Flows
Net cash used in operating activities	$ (394,549)	$ (348,251)
Cash flows from investing activities:
Purchases of available-for-sale securities	(39,275)
Principal repayments on mortgage loans held for investment, net	11,192	17,618
Purchases of property and equipment, net	(10,953)	(8,634)
Payments made for business acquisitions, net	(3,457)	(33,226)
Proceeds from sale of businesses, net	21,230	26,387
Franchise loans:
Loans funded	(16,477)	(33,720)
Payments received	5,320	6,724
Other, net	18,167	18,848
Net cash used in investing activities	(14,253)	(6,003)
Cash flows from financing activities:
Customer banking deposits, net	(186,245)	(121,401)
Dividends paid	(45,894)	(48,692)
Repurchase of common stock, including shares surrendered	(2,002)	(164,369)
Proceeds from exercise of stock options	1,762	1,500
Other, net	(24,916)	(15,987)
Net cash used in financing activities	(257,295)	(348,949)
Effects of exchange rates on cash	962	(2,232)
Net decrease in cash and cash equivalents	(665,135)	(705,435)
Cash and cash equivalents at beginning of the period	1,677,844	1,804,045
Cash and cash equivalents at end of the period	1,012,709	1,098,610
Supplementary cash flow data:
Income taxes paid	99,357	64,651
Interest paid on borrowings	37,634	27,265
Interest paid on deposits	1,820	1,915
Transfers of foreclosed loans to other assets	$ 1,573	$ 6,527