Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Beginning Balance	$ 1,356,573	$ 1,319,689	$ 1,368,205	$ 1,268,788
Net income (loss)	36,878	22,985	107,356	22,375
Other comprehensive income (loss)	(4,564)	(17,302)	(24,311)	60,343
Dividend reinvestment	47	50	142	150
Capital stock issued under employee benefit and stock plans	4,488	8,916	10,997	19,082
Purchase of capital stock	(15,014)	(50)	(50,522)	(150)
Cash dividends	(16,606)	(16,707)	(50,065)	(50,016)
Other				(1,630)
Ending Balance	1,361,802	1,317,581	1,361,802	1,317,581
Capital stock [Member]
Beginning Balance	103,842	104,330	104,518	103,654
Dividend reinvestment	2	2	5	6
Capital stock issued under employee benefit and stock plans	31	148	543	824
Purchase of capital stock	(577)	(2)	(1,768)	(6)
Ending Balance	103,298	104,478	103,298	104,478
Additional paid-in capital [Member]
Beginning Balance	534,592	547,754	562,820	538,575
Dividend reinvestment	45	48	137	144
Capital stock issued under employee benefit and stock plans	4,457	8,768	10,454	18,258
Purchase of capital stock	(14,437)	(48)	(48,754)	(144)
Other				(311)
Ending Balance	524,657	556,522	524,657	556,522
Retained earnings [Member]
Beginning Balance	1,026,756	969,301	992,597	1,004,898
Net income (loss)	35,295	21,621	102,913	19,333
Cash dividends	(16,606)	(16,707)	(50,065)	(50,016)
Ending Balance	1,045,445	974,215	1,045,445	974,215
Accumulated other comprehensive loss [Member]
Beginning Balance	(349,168)	(342,231)	(330,327)	(417,242)
Other comprehensive income (loss)	(4,107)	(16,572)	(22,948)	58,439
Ending Balance	(353,275)	(358,803)	(353,275)	(358,803)
Non-controlling interest [Member]
Beginning Balance	40,551	40,535	38,597	38,903
Net income (loss)	1,583	1,364	4,443	3,042
Other comprehensive income (loss)	(457)	(730)	(1,363)	1,904
Cash dividends				(1,361)
Other				(1,319)
Ending Balance	$ 41,677	$ 41,169	$ 41,677	$ 41,169