Consolidated Statements Of Shareholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Non-Controlling Interests [Member]
Beginning Balance, shares at Jun. 30, 2012		69,627			(6,794)
Beginning Balance at Jun. 30, 2012	$ 591,386	$ 176,295	$ 10,238	$ 438,671	$ (35,247)	$ 1,429
Shares issued under share-based compensation plans	1,083	1,083
Shares issued under share-based compensation plans, shares		223
Minimum tax withholding requirements	(137)				(137)
Minimum tax withholding requirements, shares					(7)
Share-based compensation expense	3,460	3,460
Net earnings	13,132			12,718		414
Purchases of treasury stock	(5,899)				(5,899)
Purchases of treasury stock, shares	618,756				(317)
Treasury stock under deferred compensation arrangements	(10,900)	1,295			(1,295)
Treasury stock under deferred compensation arrangements, shares					(70)
Excess tax benefits from share-based compensation	387	387
Distributions of noncontrolling interest	(217)					(217)
Foreign currency translation adjustments	1,079		1,352			(273)
Ending Balance at Sep. 30, 2012	$ 604,274	$ 182,520	$ 11,590	$ 451,389	$ (42,578)	$ 1,353
Ending Balance, Shares at Sep. 30, 2012		69,850			(7,188)