Equity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Beginning Balance	$ 1,298,751	$ 1,238,345	$ 1,314,168	$ 1,291,247
Net income	24,328	22,924	54,697	52,561
Other comprehensive income (loss)	30,859	50,088	13,050	1,077
Dividend reinvestment	45	47	90	93
Capital stock issued under employee benefit and stock plans	5,059	4,584	6,697	8,066
Purchase of capital stock	(15,029)	(10,692)	(28,754)	(30,068)
Cash dividends	(15,909)	(16,095)	(31,844)	(32,371)
Ending Balance	1,328,104	1,289,201	$ 1,328,104	1,289,201
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares to be Repurchased Next Year			200
Capital stock [Member]
Beginning Balance	99,773	101,095	$ 99,794	101,671
Dividend reinvestment	2	2	5	4
Capital stock issued under employee benefit and stock plans	80	131	689	585
Purchase of capital stock	(784)	(587)	(1,417)	(1,619)
Ending Balance	99,071	100,641	99,071	100,641
Additional paid-in capital [Member]
Beginning Balance	453,385	478,930	465,406	494,202
Dividend reinvestment	43	45	85	89
Capital stock issued under employee benefit and stock plans	4,979	4,453	6,008	7,481
Purchase of capital stock	(14,245)	(10,105)	(27,337)	(28,449)
Ending Balance	444,162	473,323	444,162	473,323
Retained earnings [Member]
Beginning Balance	1,138,712	1,082,575	1,124,590	1,070,655
Net income	23,108	21,899	53,165	50,095
Cash dividends	(15,909)	(16,095)	(31,844)	(32,371)
Ending Balance	1,145,911	1,088,379	1,145,911	1,088,379
Accumulated other comprehensive loss [Member]
Beginning Balance	(431,512)	(461,197)	(414,343)	(413,951)
Other comprehensive income (loss)	30,191	49,021	13,022	1,775
Ending Balance	(401,321)	(412,176)	(401,321)	(412,176)
Non-controlling interest [Member]
Beginning Balance	38,393	36,942	38,721	38,670
Net income	1,220	1,025	1,532	2,466
Other comprehensive income (loss)	668	1,067	28	(698)
Cash dividends				(1,404)
Ending Balance	$ 40,281	$ 39,034	$ 40,281	$ 39,034