Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Beginning Balance	$ 1,317,963	$ 1,298,751	$ 1,288,599	$ 1,314,168
Net income	19,037	24,328	42,503	54,697
Other comprehensive income (loss)	(51,268)	30,859	(16,927)	13,050
Dividend reinvestment	42	45	85	90
Capital stock issued under employee benefit and stock plans	4,925	5,059	7,051	6,697
Purchase of capital stock	(15,032)	(15,029)	(30,062)	(28,754)
Cash dividends	(15,566)	(15,909)	(31,148)	(31,844)
Ending Balance	$ 1,260,101	$ 1,328,104	$ 1,260,101	$ 1,328,104
Dividends per share	$ 0.20	$ 0.20	$ 0.4	$ 0.4
Capital stock [Member]
Beginning Balance	$ 97,145	$ 99,773	$ 97,361	$ 99,794
Dividend reinvestment	2	2	4	5
Capital stock issued under employee benefit and stock plans	172	80	705	689
Purchase of capital stock	(658)	(784)	(1,409)	(1,417)
Ending Balance	96,661	99,071	96,661	99,071
Additional paid-in capital [Member]
Beginning Balance	403,975	453,385	416,620	465,406
Dividend reinvestment	40	43	81	85
Capital stock issued under employee benefit and stock plans	4,753	4,979	6,346	6,008
Purchase of capital stock	(14,374)	(14,245)	(28,653)	(27,337)
Ending Balance	394,394	444,162	394,394	444,162
Retained earnings [Member]
Beginning Balance	1,177,023	1,138,712	1,170,482	1,124,590
Net income	17,928	23,108	40,051	53,165
Cash dividends	(15,566)	(15,909)	(31,148)	(31,844)
Ending Balance	1,179,385	1,145,911	1,179,385	1,145,911
Accumulated other comprehensive loss [Member]
Beginning Balance	(400,970)	(431,512)	(434,588)	(414,343)
Other comprehensive income (loss)	(49,490)	30,191	(15,872)	13,022
Ending Balance	(450,460)	(401,321)	(450,460)	(401,321)
Non-controlling interest [Member]
Beginning Balance	40,790	38,393	38,724	38,721
Net income	1,109	1,220	2,452	1,532
Other comprehensive income (loss)	(1,778)	668	(1,055)	28
Ending Balance	$ 40,121	$ 40,281	$ 40,121	$ 40,281