Condensed Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Condensed Consolidated Statements of Comprehensive Earnings
Net earnings	$ 90,044	$ 29,606
Other comprehensive earnings:
Foreign currency translation adjustments	23,841	30,227
Net (loss) on foreign currency transactions designated as hedges of net investments in foreign subsidiaries	(1,866)	(3,625)
Taxes on changes in foreign currency translation adjustments	(287)	1,344
Foreign currency translation and transactions adjustments, net of tax	21,688	27,946
Unrealized (loss) on fair value adjustment of derivative instruments	(18,510)	(32,588)
Reclassification of net realized loss on derivatives to earnings	17,899	38,186
Taxes on changes in derivative transactions		(113)
Derivative adjustments, net of tax	(611)	5,485
Amortization of pension and other postretirement plan:
Net prior service cost	180	179
Net (gain)	(250)	(199)
Foreign currency exchange rate changes on pension and other postretirement benefit plan liabilities	322	441
Taxes on changes in pension and other postretirement benefit plan liability adjustments, net of foreign currency exchange rate changes	(42)	79
Pension and other postretirement benefit plan adjustments, net of tax	210	500
Total comprehensive earnings	$ 111,331	$ 63,537