Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
Statement of Cash Flows [Abstract]
Net Income (Loss) Attributable to Parent	$ (269,893)	$ (244,666)
Depreciation, Depletion and Amortization	87,032	82,443
Provision For Bad Debts And Loan Losses	1,286	3,187
Deferred Income Tax Expense (Benefit) Including Discontinued Operations	6,489	20,282
Share-based Compensation	12,472	13,876
Increase (Decrease) in Restricted Cash for Operating Activities	(5,421)	49,113
Increase (Decrease) in Accounts Receivable	48,653	67,373
Increase (Decrease) in Prepaid Expense and Other Assets	(7,386)	(6,173)
Increase (Decrease) in Other Noncurrent Assets	7,713	7,518
Increase (Decrease) in Accounts Payable and Accrued Liabilities	(99,378)	(79,918)
Increase (Decrease) in Accrued Salaries	(120,672)	(106,504)
Increase (Decrease) in Income Taxes Payable	(282,234)	(334,245)
Increase (Decrease) in Other Current Liabilities	(46,531)	(3,188)
Increase (Decrease) in Other Operating Liabilities	(52,548)	(49,669)
Other Operating Activities, Cash Flow Statement	(5,379)	(22,142)
Net cash used in operating activities	(725,797)	(602,713)
CASH FLOWS FROM INVESTING ACTIVITIES:
Maturities of and payments received on available-for-sale securities	144	434,261
Principal payments on mortgage loans held for investment, net	16,706	17,006
Purchases of property and equipment	(44,918)	(38,779)
Payments made for business acquisitions, net of cash acquired	(36,151)	(61,846)
Franchise loans:
Loans funded	(10,171)	(10,281)
Payments received	14,263	17,473
Other, net	4,336	7,246
Net cash provided by (used in) investing activities	(55,791)	365,080
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of Long-term Lines of Credit	50,000	0
Proceeds from Long-term Lines of Credit	525,000	0
Proceeds from Issuance of Long-term Debt	0	996,831
Customer banking deposits, net	0	(326,705)
Transfer of bank deposits	0	(419,028)
Dividends paid	(95,971)	(110,338)
Repurchase of common stock, including shares surrendered	(215,511)	(1,517,786)
Proceeds from exercise of stock options	1,630	16,875
Other, net	(43,734)	(37,820)
Net cash used in financing activities	121,414	(1,397,971)
Effects of exchange rates on cash	(4,117)	(10,905)
Net decrease in cash and cash equivalents	(664,291)	(1,646,509)
Cash and cash equivalents at beginning of the period	896,801	2,007,190
Cash and cash equivalents at end of the period	232,510	360,681
SUPPLEMENTARY CASH FLOW DATA:
Income taxes paid, net of refunds received	112,339	132,096
Interest paid on borrowings	40,670	15,606
Accrued additions to property and equipment	12,920	4,573
Accrued Purchase Of Common Stock	$ 7,143	$ 0