Quarterly report [Sections 13 or 15(d)]

Supplemental Equity and Accumulated Other Comprehensive Income (loss) Information - Consolidated Changes in Equity (Details)

Supplemental Equity and Accumulated Other Comprehensive Income (loss) Information - Consolidated Changes in Equity (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Mar. 31, 2025	Mar. 31, 2024
Balance	$ 2,078,492	$ 2,138,650	$ 2,068,850	$ 1,963,559	$ 1,997,746	$ 1,966,516	$ 2,068,850	$ 1,966,516
Balances (in shares)			158,216,258				158,216,258
Net earnings	22,588	34,890	$ 33,600	49,059	27,465	50,993	$ 91,078	$ 127,517
Other comprehensive income (loss) before reclassification	3,598	(25,563)	18,229	(11,646)	14,355	(11,952)
Share repurchases	(100,046)	(75,628)			(80,042)
Common stock issued for exercise of options	12,631	5,164	20,892	15,765	3,841	(2,577)
Common stock issued for exercise of options (in shares)							1,100,000	1,600,000
Common stock issued for restricted stock awards	(289)	(993)	(2,644)	(168)	0	(4,767)
Cash dividends	(12,580)	(12,736)	(12,688)	(12,579)	(12,559)	(12,654)
Stock-based compensation expense	11,355	14,335	10,146	8,053	12,413	9,981
Common stock issued to employee stock purchase plan	2,241		2,227	2,252		2,094
Employee stock purchase plan expense	35	373	38	80	340	112
Balance	$ 2,018,025	2,078,492	2,138,650	2,014,375	1,963,559	1,997,746	$ 2,018,025	$ 2,014,375
Balances (in shares)	156,760,717						156,760,717
Common Stock
Balance	$ 1,579	$ 1,589	$ 1,582	$ 1,571	$ 1,584	$ 1,576	$ 1,582	$ 1,576
Balances (in shares)	157,916,000	158,878,000	158,216,000	157,142,000	158,355,000	157,642,000	158,216,000	157,642,000
Share repurchases	$ (15)	$ (11)			$ (14)
Share repurchases (in shares)	(1,489,000)	(1,118,000)			(1,397,000)
Common stock issued for exercise of options	$ 3	$ 1	$ 6	$ 4	$ 1	$ 6
Common stock issued for exercise of options (in shares)	282,000	132,000	577,000	372,000	157,000	633,000
Common stock issued for restricted stock awards	$ 1	$ 0	$ 1	$ 0	$ 0	$ 1
Common stock issued for restricted stock awards (in shares)	9,000	24,000	50,000	4,000	27,000	47,000
Common stock issued to employee stock purchase plan	$ 0		$ 0	$ 1		$ 1
Common stock issued to employee stock purchase plan (in shares)	43,000		35,000	36,000		33,000
Balance	$ 1,568	$ 1,579	$ 1,589	$ 1,576	$ 1,571	$ 1,584	$ 1,568	$ 1,576
Balances (in shares)	156,761,000	157,916,000	158,878,000	157,554,000	157,142,000	158,355,000	156,761,000	157,554,000
Additional Paid-in Capital
Balance	$ 875,864	$ 855,973	$ 820,337	$ 764,273	$ 746,606	$ 721,543	$ 820,337	$ 721,543
Common stock issued for exercise of options	12,628	5,183	23,224	15,761	4,914	12,877
Common stock issued for restricted stock awards	1	0	1	0	0	0
Stock-based compensation expense	11,355	14,335	10,146	8,053	12,413	9,981
Common stock issued to employee stock purchase plan	2,241		2,227	2,251		2,093
Employee stock purchase plan expense	35	373	38	80	340	112
Balance	902,124	875,864	855,973	790,418	764,273	746,606	902,124	790,418
Retained Earnings
Balance	1,286,699	1,341,175	1,325,247	1,261,376	1,327,572	1,309,461	1,325,247	1,309,461
Net earnings	22,588	34,890	33,600	49,059	27,465	50,993
Share repurchases	(100,031)	(75,617)			(80,028)
Common stock issued for exercise of options		(20)	(2,338)		(1,074)	(15,460)
Common stock issued for restricted stock awards	(291)	(993)	(2,646)	(168)		(4,768)
Cash dividends	(12,580)	(12,736)	(12,688)	(12,579)	(12,559)	(12,654)
Balance	1,196,385	1,286,699	1,341,175	1,297,688	1,261,376	1,327,572	1,196,385	1,297,688
Accumulated Other Comprehensive Income (Loss)
Balance	(85,650)	(60,087)	(78,316)	(63,661)	(78,016)	(66,064)	(78,316)	(66,064)
Other comprehensive income (loss) before reclassification	3,598	(25,563)	18,229	(11,646)	14,355	(11,952)
Balance	$ (82,052)	$ (85,650)	$ (60,087)	$ (75,307)	$ (63,661)	$ (78,016)	$ (82,052)	$ (75,307)