Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Apr. 30, 2024		39,754
Beginning balance at Apr. 30, 2024	$ 1,460,521	$ 397	$ 334,596	$ 1,157,047	$ (31,519)
Increase (Decrease) in Stockholders' Equity
Net income	57,248			57,248
Other comprehensive loss, net of tax	$ (8,297)				(8,297)
Repurchase and retirement of common stock (in shares)	(538)	(538)
Repurchase and retirement of common stock	$ (46,609)	$ (5)	(46,604)
Equity-based compensation	3,678		3,678
Exercise of stock options (in shares)		22
Exercise of stock options	555		555
Issuance of common stock pursuant to employee stock purchase plan (in shares)		44
Issuance of common stock pursuant to employee stock purchase plan	3,207	$ 1	3,206
Ending balance (in shares) at Jul. 31, 2024		39,282
Ending balance at Jul. 31, 2024	$ 1,470,303	$ 393	295,431	1,214,295	(39,816)
Beginning balance (in shares) at Apr. 30, 2025	38,164	38,164
Beginning balance at Apr. 30, 2025	$ 1,420,180	$ 381	189,216	1,272,516	(41,933)
Increase (Decrease) in Stockholders' Equity
Net income	43,560			43,560
Other comprehensive loss, net of tax	$ (7,414)				(7,414)
Repurchase and retirement of common stock (in shares)	(170)	(170)
Repurchase and retirement of common stock	$ (12,852)	$ (2)	(12,850)
Equity-based compensation	3,744		3,744
Exercise of stock options (in shares)		19
Exercise of stock options	809	$ 1	808
Vesting of restricted stock units (in shares)		5
Issuance of common stock pursuant to employee stock purchase plan (in shares)		50
Issuance of common stock pursuant to employee stock purchase plan	$ 3,795	$ 1	3,794
Ending balance (in shares) at Jul. 31, 2025	38,068	38,068
Ending balance at Jul. 31, 2025	$ 1,451,822	$ 381	$ 184,712	$ 1,316,076	$ (49,347)