Changes In Equity (Tables)

6 Months Ended

Nov. 30, 2011

Changes In Equity [Abstract]

Schedule Of Changes In Total Equity, Shareholders' Equity Attributable To Controlling Interest, And Equity Attributable To Noncontrolling Interest

	Controlling Interest
				Cumulative
				Other
	Additional			Comprehensive									Non-
	Paid-in			Income (Loss),			Retained						controlling
(in thousands)	Capital			Net of Tax			Earnings			Total			Interest			Total
Balance at May 31, 2011	$	181,525		$	3,975		$	504,410		$	689,910		$	50,793		$	740,703
Comprehensive income*		-			(9,863	)		37,637			27,774			2,563			30,337
Common shares issued		8,523			-			-			8,523			-			8,523
Stock-based compensation		6,274			-			-			6,274			-			6,274
Purchases and retirement of common shares		(8,672	)		-			(43,448	)		(52,120	)		-			(52,120	)
Dividends paid to noncontrolling interest		-			-			-			-			(6,576	)		(6,576	)
Cash dividends declared		-			-			(16,799	)		(16,799	)		-			(16,799	)
Balance at November 30, 2011	$	187,650		$	(5,888	)	$	481,800		$	663,562		$	46,780		$	710,342

* The allocation of the components of comprehensive income attributable to controlling and noncontrolling interests is disclosed in "NOTE G – Comprehensive Income."