Note 10 - Comprehensive Income (Detail) - The Components of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Net income	$ 25,845	$ 28,693	$ 61,513	$ 110,171
Foreign currency translation adjustments – net	(6,912)	8,406	(19,983)	21,307
Unrealized gains (losses) on hedging activities - net				(258)
Comprehensive income, net of tax	$ 18,933	$ 37,099	$ 41,530	$ 131,220