Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net earnings	$ 39,210	$ 29,244	$ 100,223	$ 67,634
Other comprehensive income (loss):
Foreign currency translation adjustments	10,791	(6,928)	(15,824)	7,449
Interest rate swap, net of tax	(407)	1,584	744	(1,504)
Foreign exchange contracts, net of tax	(581)	468	902	(13)
Other comprehensive income (loss), net of tax	9,803	(4,876)	(14,178)	5,932
Total comprehensive income	$ 49,013	$ 24,368	$ 86,045	$ 73,566