Operating Segments (Reconciliation Of Reportable Segments Measure Of Profit Or Loss To Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating Income (Loss)	$ 32,181	$ 31,215
Interest income	4,304	4,275
Interest expense	(796)	(974)
Income before income taxes	35,689	34,516
Reportable Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating Income (Loss)	34,548	36,608
Corporate/Eliminations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating Income (Loss)	$ (2,367)	$ (5,393)