CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Aug. 31, 2014	Aug. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 20,612	$ 158,266
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of deferred income	(2,895)	(2,830)
Amortization of debt issuance costs and deferred charges	1,759	1,865
Amortization of discount on long-term debt	1,948	1,333
Amortization of issuance costs for revolving bank lines of credit	709	611
Depreciation	1,461	1,457
Provision for loan losses	(6,771)	1,278
Provision for guarantee liability	(67)	(31)
Results of operations of foreclosed assets	2,699	4,049
Derivative forward value	29,777	(123,069)
Changes in operating assets and liabilities:
Accrued interest and other receivables	(2,476)	2,568
Accounts payable	8,874	16,045
Accrued interest payable	65,099	66,018
Deferred income	4,389	18,502
Other	(1,060)	(9,010)
Net cash provided by operating activities	124,058	137,052
Cash flows from investing activities:
Advances on loans	(1,987,198)	(2,183,485)
Principal collections on loans	1,979,315	2,074,710
Net investment in fixed assets	(2,485)	(1,173)
Proceeds from foreclosed assets	2,187	6,442
Investments in foreclosed assets	(2,400)	(10,019)
Investments in time deposits	(20,000)	0
Investments in equity securities	(25,000)	0
Change in restricted cash	(505)	(478)
Net cash used in investing activities	(56,086)	(114,003)
Cash flows from financing activities:
Proceeds from issuances of short-term debt, net	86,389	316,571
Proceeds from issuances of short-term debt with original maturity greater than 90 days	132,739	273,568
Repayments of short term-debt with original maturity greater than 90 days	(145,069)	(189,956)
Issuance costs for revolving bank lines of credit	0	(369)
Proceeds from issuance of long-term debt	216,456	815,066
Payments for retirement of long-term debt	(349,577)	(1,048,931)
Issuance costs for subordinated debt	0	(150)
Proceeds from issuance of members’ subordinated certificates	39,238	518
Payments for retirement of members’ subordinated certificates	(66,293)	(3,892)
Net cash (used in) provided by financing activities	(86,117)	162,425
Net (decrease) increase in cash and cash equivalents	(18,145)	185,474
Beginning cash and cash equivalents	338,715	177,062
Ending cash and cash equivalents	320,570	362,536
Supplemental disclosure of cash flow information:
Cash paid for interest	87,037	97,758
Cash paid for income taxes	8	3
Non-cash financing and investing activities:
Patronage capital retirement payable	39,662	39,630
Net decrease in debt service reserve funds/debt service reserve certificates	$ (1,034)	$ (450)