v3.26.1
Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance $ 1,357,657 $ 1,260,101 $ 1,324,648 $ 1,288,599
Net income 61,123 33,082 120,952 75,585
Other comprehensive loss (13,688) 21,904 (9,304) 4,977
Dividend reinvestment 0 42 77 127
Capital stock issued under employee benefit and stock plans 8,833 4,581 17,984 11,632
Purchase of capital stock   (25,019) (10,068) (55,081)
Cash dividends (15,241) (15,456) (45,605) (46,604)
Cash dividends to non-controlling interests (312) (319) (312) (319)
Ending Balance $ 1,398,372 $ 1,278,916 $ 1,398,372 $ 1,278,916
Dividends per share (in dollars per share) $ 0.20 $ 0.20 $ 0.60 $ 0.60
Capital stock        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance $ 95,238 $ 96,661 $ 95,015 $ 97,361
Net income 0 0 0 0
Other comprehensive loss 0 0 0 0
Dividend reinvestment 0 2 4 6
Capital stock issued under employee benefit and stock plans 24 49 841 755
Purchase of capital stock   (1,421) (598) (2,831)
Cash dividends 0 0 0 0
Cash dividends to non-controlling interests 0 0 0 0
Ending Balance 95,262 95,291 95,262 95,291
Additional paid-in capital        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance 372,839 394,394 373,902 416,620
Net income 0 0 0 0
Other comprehensive loss 0 0 0 0
Dividend reinvestment 0 40 73 121
Capital stock issued under employee benefit and stock plans 8,809 4,532 17,143 10,877
Purchase of capital stock   (23,598) (9,470) (52,250)
Cash dividends 0 0 0 0
Cash dividends to non-controlling interests 0 0 0 0
Ending Balance 381,648 375,368 381,648 375,368
Retained earnings        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance 1,228,574 1,179,385 1,201,755 1,170,482
Net income 58,229 31,482 115,412 71,533
Other comprehensive loss 0 0 0 0
Dividend reinvestment 0 0 0 0
Capital stock issued under employee benefit and stock plans 0 0 0 0
Purchase of capital stock   0 0 0
Cash dividends (15,241) (15,456) (45,605) (46,604)
Cash dividends to non-controlling interests 0 0 0 0
Ending Balance 1,271,562 1,195,411 1,271,562 1,195,411
Accumulated other comprehensive loss        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance (381,614) (450,460) (386,693) (434,588)
Net income 0 0 0 0
Other comprehensive loss (12,124) 21,258 (7,045) 5,386
Dividend reinvestment 0 0 0 0
Capital stock issued under employee benefit and stock plans 0 0 0 0
Purchase of capital stock   0 0 0
Cash dividends 0 0 0 0
Cash dividends to non-controlling interests 0 0 0 0
Ending Balance (393,738) (429,202) (393,738) (429,202)
Non-controlling interests        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning Balance 42,620 40,121 40,669 38,724
Net income 2,894 1,600 5,540 4,052
Other comprehensive loss (1,564) 646 (2,259) (409)
Dividend reinvestment 0 0 0 0
Capital stock issued under employee benefit and stock plans 0 0 0 0
Purchase of capital stock   0 0 0
Cash dividends 0 0 0 0
Cash dividends to non-controlling interests (312) (319) (312) (319)
Ending Balance $ 43,638 $ 42,048 $ 43,638 $ 42,048