Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings per Share & warranty provision (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Per Share Computations
Net income									$ 149,637	$ 128,154	$ 91,778
Weighted average shares outstanding-basic									16,760	16,978	16,828
Dilutive effect of equity awards									372	376	362
Dilutive effect of 2029 Notes									46
Weighted average shares outstanding-diluted									17,178	17,354	17,190
Basic earnings per share	$ 3.14	$ 2.45	$ 2.26	$ 1.07	$ 2.62	$ 2	$ 2.15	$ 0.77	$ 8.93	$ 7.55	$ 5.45
Diluted earnings per share	$ 3.03	$ 2.4	$ 2.22	$ 1.05	$ 2.55	$ 1.95	$ 2.11	$ 0.75	$ 8.71	$ 7.38	$ 5.34
Weighted average shares excluded from diluted earnings per share due to their anti-dilutive effect									9	14	49
Warranty Provision
Balance at beginning of period				$ 11,089				$ 11,149	$ 11,089	$ 11,149	$ 13,347
Warranty claims provided for/assumed in acquisition									5,704	5,878	4,193
Settlements made									(5,182)	(5,938)	(6,391)
Balance at end of period	$ 11,611				$ 11,089				$ 11,611	$ 11,089	$ 11,149
Convertible Senior Notes Due 2029
Per Share Computations
Interest rate (as a percentage)	2.25%								2.25%
Conversion price	$ 191.98								$ 191.98