CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Shares and Additional Paid in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Income	Non-Controlling Interests
Beginning balance (in shares) at Jun. 30, 2024		267,801,000
Beginning balance at Jun. 30, 2024	$ 4,199,681	$ 2,271,886	$ (123,268)	$ 2,119,159	$ (69,619)	$ 1,523
Beginning balance (in shares) at Jun. 30, 2024			(3,136,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Under employee stock option plans (in shares)		70,000
Under employee stock option plans	1,880	$ 1,880
Under employee stock purchase plans (in shares)		719,000
Under employee stock purchase plans	19,171	$ 19,171
Share-based compensation	$ 59,801	59,801
Purchase of treasury stock (in shares)	(2,187,135)		(2,187,000)
Purchase of treasury stock	$ (65,023)		$ (65,023)
Issuance of treasury stock	$ 1,321	$ (41,836)	$ 43,859	(702)
Issuance of treasury stock (in shares)			1,097,000
Repurchase of common stock (in shares)	(4,862,102)	(4,862,000)
Repurchase of Common Shares	$ (153,575)	$ (35,319)		(118,256)
Dividend declared	(139,917)			(139,917)
Other comprehensive income (loss) - net	(6,160)				(6,160)
Net income for the period	314,328			314,230		98
Ending balance (in shares) at Dec. 31, 2024		263,728,000
Ending balance at Dec. 31, 2024	4,231,507	$ 2,275,583	$ (144,432)	2,174,514	(75,779)	1,621
Ending balance (in shares) at Dec. 31, 2024			(4,226,000)
Beginning balance (in shares) at Sep. 30, 2024		265,546,000
Beginning balance at Sep. 30, 2024	4,136,887	$ 2,290,191	$ (145,646)	2,065,221	(74,456)	1,577
Beginning balance (in shares) at Sep. 30, 2024			(3,900,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Under employee stock option plans (in shares)		65,000
Under employee stock option plans	1,739	$ 1,739
Under employee stock purchase plans (in shares)		330,000
Under employee stock purchase plans	9,308	$ 9,308
Share-based compensation	$ 30,355	30,355
Purchase of treasury stock (in shares)	(1,362,721)		(1,363,000)
Purchase of treasury stock	$ (40,013)		$ (40,013)
Issuance of treasury stock	$ 1,321	$ (39,906)	$ 41,227
Issuance of treasury stock (in shares)			1,037,000
Repurchase of common stock (in shares)	(2,212,971)	(2,213,000)
Repurchase of Common Shares	$ (67,094)	$ (16,104)		(50,990)
Dividend declared	(69,579)			(69,579)
Other comprehensive income (loss) - net	(1,323)				(1,323)
Net income for the period	229,906			229,862		44
Ending balance (in shares) at Dec. 31, 2024		263,728,000
Ending balance at Dec. 31, 2024	4,231,507	$ 2,275,583	$ (144,432)	2,174,514	(75,779)	1,621
Ending balance (in shares) at Dec. 31, 2024			(4,226,000)
Beginning balance (in shares) at Jun. 30, 2025		254,784,000
Beginning balance at Jun. 30, 2025	$ 3,930,588	$ 2,193,985	$ (138,164)	1,940,113	(67,067)	1,721
Beginning balance (in shares) at Jun. 30, 2025	(4,648,036)		(4,648,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Under employee stock option plans (in shares)	881,705	882,000
Under employee stock option plans	$ 27,301	$ 27,301
Under employee stock purchase plans (in shares)		556,000
Under employee stock purchase plans	15,422	$ 15,422
Share-based compensation	$ 38,800	38,800
Purchase of treasury stock (in shares)	0
Issuance of treasury stock	$ 5,524	$ (58,777)	$ 64,301
Issuance of treasury stock (in shares)			2,064,022
Repurchase of common stock (in shares)	(4,545,923)	(4,546,000)
Repurchase of Common Shares	$ (176,895)	$ (32,792)		(144,103)
Dividend declared	(138,767)			(138,767)
Other comprehensive income (loss) - net	28,635				28,635
Net income for the period	314,786			314,707		79
Ending balance (in shares) at Dec. 31, 2025		251,676,000
Ending balance at Dec. 31, 2025	$ 4,045,394	$ 2,183,939	$ (73,863)	1,971,950	(38,432)	1,800
Ending balance (in shares) at Dec. 31, 2025	(2,584,014)		(2,584,000)
Beginning balance (in shares) at Sep. 30, 2025		251,964,000
Beginning balance at Sep. 30, 2025	$ 3,952,749	$ 2,189,340	$ (130,561)	1,938,716	(46,511)	1,765
Beginning balance (in shares) at Sep. 30, 2025			(4,452,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Under employee stock option plans (in shares)		857,000
Under employee stock option plans	26,746	$ 26,746
Under employee stock purchase plans (in shares)		245,000
Under employee stock purchase plans	7,826	$ 7,826
Share-based compensation	$ 21,119	21,119
Purchase of treasury stock (in shares)	0
Issuance of treasury stock	$ 5,323	$ (51,375)	$ 56,698
Issuance of treasury stock (in shares)			1,868,005
Repurchase of common stock (in shares)	(1,389,600)	(1,390,000)
Repurchase of Common Shares	$ (75,172)	$ (9,717)		(65,455)
Dividend declared	(69,402)			(69,402)
Other comprehensive income (loss) - net	8,079				8,079
Net income for the period	168,126			168,091		35
Ending balance (in shares) at Dec. 31, 2025		251,676,000
Ending balance at Dec. 31, 2025	$ 4,045,394	$ 2,183,939	$ (73,863)	$ 1,971,950	$ (38,432)	$ 1,800
Ending balance (in shares) at Dec. 31, 2025	(2,584,014)		(2,584,000)