Condensed Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Condensed Consolidated Statements of Comprehensive Earnings
Net earnings	$ 87,091	$ 90,044
Other comprehensive earnings:
Foreign currency translation adjustments	(36,884)	23,841
Net gain (loss) on foreign currency transactions designated as hedges of net investments in foreign subsidiaries	3,063	(1,866)
Taxes on changes in foreign currency translation adjustments	436	(287)
Foreign currency translation and transactions adjustments, net of tax	(33,385)	21,688
Unrealized gain (loss) on fair value adjustment of derivative instruments	20,368	(18,510)
Reclassification of net realized (gain) loss on derivatives to earnings	(27,683)	17,899
Derivative adjustments, net of tax	(7,315)	(611)
Amortization of pension and other postretirement plan:
Net prior service cost	197	180
Net (gain)	(167)	(250)
Foreign currency exchange rate changes on pension and other postretirement benefit plan liabilities	(326)	322
Taxes on changes in pension and other postretirement benefit plan liability adjustments, net of foreign currency exchange rate changes	(15)	(42)
Pension and other postretirement benefit plan adjustments, net of tax	(311)	210
Total comprehensive earnings	$ 46,080	$ 111,331