Condensed Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Condensed Consolidated Statements of Comprehensive Earnings
Net earnings	$ 84,599	$ 39,446	$ 149,716	$ 117,657
Other comprehensive earnings:
Foreign currency translation adjustments	(5,654)	(27,648)	33,068	(34,707)
Net gain (loss) on foreign currency transactions designated as hedges of net investments in foreign subsidiaries	139	2,887	(4,293)	4,631
Taxes on changes in foreign currency translation adjustments	(353)	(2,424)	1,919	(3,873)
Foreign currency translation and transactions adjustments, net of tax	(5,868)	(27,185)	30,694	(33,949)
Unrealized (loss) gain on fair value adjustment of derivative instruments	(9,389)	34,207	(44,073)	58,987
Reclassification of net realized loss (gain) on derivatives to earnings	(1,429)	(26,968)	44,377	(43,299)
Taxes on changes in derivative transactions	433	(254)	99	(549)
Derivative adjustments, net of tax	(10,385)	6,985	403	15,139
Amortization of pension and other postretirement plan:
Net prior service cost	179	252	539	754
Net (gain) loss	(212)	177	(615)	551
Foreign currency exchange rate changes on pension and other postretirement benefit plan liabilities	(116)	1,834	395	2,456
Taxes on changes in pension and other postretirement benefit plan liability adjustments, net of foreign currency exchange rate changes	92	(668)	219	(1,074)
Pension and other postretirement benefit plan adjustments, net of tax	(57)	1,595	538	2,687
Total comprehensive earnings	$ 68,289	$ 20,841	$ 181,351	$ 101,534