CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Total
Beginning Balance at Jun. 30, 2018	$ 793	$ 454,653	$ 1,917,373	$ (142,168)	$ (711,365)	$ 1,519,286
Cumulative effect adjustment upon the adoption			381	(381)		0
Net income (loss)			(9,530)			(9,530)
Foreign currency translation				(20,615)		(20,615)
Unrealized investment gains (losses), net of tax				(4)		(4)
Change in noncontrolling interest put option			241			241
Stock-based compensation		4,369				4,369
Net activity from stock-based compensation awards	5	10,487			(5,188)	5,304
Proceeds from stock issued under Colleague Stock Purchase Plan		36			123	159
Repurchase of common shares for treasury					(59,175)	(59,175)
Ending Balance at Sep. 30, 2018	798	469,545	1,908,465	(163,168)	(775,605)	1,440,035
Beginning Balance at Jun. 30, 2019	801	486,061	2,012,902	(137,290)	(970,944)	1,391,530
Net income (loss)			14,361			14,361
Foreign currency translation				(39,494)		(39,494)
Unrealized investment gains (losses), net of tax				45		45
Change in noncontrolling interest put option						0
Stock-based compensation		5,225				5,225
Net activity from stock-based compensation awards	4	865			(5,088)	(4,219)
Repurchase of common shares for treasury					(40,255)	(40,255)
Ending Balance at Sep. 30, 2019	$ 805	$ 492,151	$ 2,027,263	$ (176,739)	$ (1,016,287)	$ 1,327,193