Segment Information (Summary Of Segment Financial Information) (Details) (USD $) In Thousands	3 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Jun. 30, 2011
Segment Reporting Information [Line Items]
Total revenues	$ 256,558	[1]	$ 233,414	[1]
Total income before taxes	55,797	[1]	47,088	[1]
Total identifiable assets	1,383,002	[2]			1,433,018	[2]
United States [Member]
Segment Reporting Information [Line Items]
Total revenues	130,843	[1]	130,082	[1]
Total income before taxes	32,177	[1]	28,275	[1]
Total identifiable assets	631,753	[2]			668,527	[2]
International [Member]
Segment Reporting Information [Line Items]
Total revenues	136,760	[1]	113,174	[1]
Total income before taxes	31,889	[1]	25,890	[1]
Total identifiable assets	751,249	[2]			764,491	[2]
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Total revenues	(11,045)	[1],[3]	(9,842)	[1],[3]
Total income before taxes	$ (8,269)	[1],[3]	$ (7,077)	[1],[3]

[1] Amounts based on the location of the selling entity.

[2] Amounts based on the physical location of the assets.

[3] Amounts primarily represent elimination of U.S. and Ireland's intercompany business.