Consolidated Statements Of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands		Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss		Retained Earnings (Deficit)	Treasury Stock, Common	Treasury Stock, Preferred
Beginning Balances (in shares) at Jun. 30, 2021			216,656					34,842
Beginning Balances, Value at Jun. 30, 2021		$ 388,058	$ 2,167	$ 779,465	$ 88	[1]	$ 286,694	$ (680,356)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		553,674					553,674
Other comprehensive income (loss)		(21,733)			(21,733)	[1]
Stock-based compensation		28,189		28,189
Stock-based awards exercised or vested (in shares)								1,634
Stock-based awards exercised or vested		7,189		(21,622)			(3,126)	$ 31,937
Acquisition of treasury shares (in shares)	[2]							(433)
Acquisition of treasury shares(2)	[2]	(12,828)						$ (12,828)
Repurchase and retirement of common shares (in shares)			(23,085)
Repurchase and retirement of common shares		(550,346)	$ (231)	(13,850)			(536,265)
Cash dividends declared		(180,572)					(180,572)
Ending Balances (in shares) at Jun. 30, 2022			193,571					33,641
Ending Balances, Value at Jun. 30, 2022		211,631	$ 1,936	772,182	(21,645)	[1]	120,405	$ (661,247)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		553,700					553,700
Other comprehensive income (loss)		(15,454)			(15,454)	[1]
Stock-based compensation		27,086		27,086
Stock-based awards exercised or vested (in shares)								1,298
Stock-based awards exercised or vested		3,499		(20,258)			(1,899)	$ 25,656
Acquisition of treasury shares (in shares)	[2]							(443)
Acquisition of treasury shares(2)	[2]	(18,734)						$ (18,734)
Repurchase and retirement of common shares (in shares)			(14,635)
Repurchase and retirement of common shares		(551,879)	$ (147)	(8,634)			(543,098)
Cash dividends declared		(177,785)					(177,785)
Ending Balances (in shares) at Jun. 30, 2023			178,936					32,786
Ending Balances, Value at Jun. 30, 2023		32,064	$ 1,789	770,376	(37,099)	[1]	(48,677)	$ (654,325)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		595,317					595,317
Other comprehensive income (loss)		(11,746)			(11,746)
Stock-based compensation		30,733		30,733
Stock-based awards exercised or vested (in shares)								2,305
Stock-based awards exercised or vested		8,770		(33,794)			(3,703)	$ 46,267
Acquisition of treasury shares (in shares)								(844)
Acquisition of treasury shares(2)		(29,449)							$ (29,449)
Repurchase and retirement of common shares (in shares)			(8,020)
Repurchase and retirement of common shares		(353,620)	$ (80)	(4,732)			(348,808)
Cash dividends declared		(181,475)					(181,475)
Ending Balances (in shares) at Jun. 30, 2024			170,916					31,325
Ending Balances, Value at Jun. 30, 2024		$ 90,594	$ 1,709	$ 762,583	$ (48,845)		$ 12,654	$ (637,507)

[1] The balance of our accumulated other comprehensive income (loss) consists of foreign currency translation adjustments.

[2] Represents shares swapped or surrendered to us in connection with the vesting or exercise of stock-based awards.