CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013
Net income	$ 28,541	$ 90,087	$ 211,799	$ 162,814
Other comprehensive income (loss):
Add: Unrealized gains (losses) on available-for-sale securities	2,313	(479)	(2,931)	408
Less: Net derivative gains reclassified into earnings	(245)	(251)	(740)	(756)
Other comprehensive income (loss)	2,068	(730)	(3,671)	(348)
Total comprehensive income	30,609	89,357	208,128	162,466
Less: Total comprehensive income attributable to noncontrolling interest	(235)	(1,659)	(3,011)	(2,352)
Total comprehensive income attributable to CFC	$ 30,374	$ 87,698	$ 205,117	$ 160,114