Business segment information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2024 USD ($) segment technology	Mar. 31, 2023 USD ($)
Segment Reporting [Abstract]
Number of reportable business segments | segment			2
Number of core technologies utilized | technology			8
Segment Reporting Information [Line Items]
Net sales	$ 5,074,356	$ 5,061,665	$ 14,742,791	$ 13,969,251
Operating income	1,032,768	906,972	2,975,670	2,359,722
Selling, general and administrative expenses	816,337	868,393	2,496,830	2,519,163
Interest expense	123,732	151,993	387,229	416,718
Other (income) expense, net	(11,007)	(1,402)	(20,202)	166,535
Income before income taxes	920,043	756,381	2,608,643	1,776,469
North America
Segment Reporting Information [Line Items]
Net sales	3,438,587	3,364,157	9,965,836	9,278,815
Diversified Industrial
Segment Reporting Information [Line Items]
Net sales	3,665,643	3,867,105	10,798,644	10,892,262
Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,408,713	1,194,560	3,944,147	3,076,989
Operating Segments
Segment Reporting Information [Line Items]
Net sales	5,074,356	5,061,665	14,742,791	13,969,251
Operating income	1,089,550	952,752	3,138,010	2,506,063
Operating Segments | Diversified Industrial | North America
Segment Reporting Information [Line Items]
Net sales	2,231,478	2,342,590	6,571,587	6,615,035
Operating income	490,452	489,349	1,458,355	1,362,256
Operating Segments | Diversified Industrial | International
Segment Reporting Information [Line Items]
Net sales	1,434,165	1,524,515	4,227,057	4,277,227
Operating income	309,759	329,498	900,944	908,958
Operating Segments | Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,408,713	1,194,560	3,944,147	3,076,989
Operating income	289,339	133,905	778,711	234,849
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Selling, general and administrative expenses	$ 56,782	$ 45,780	$ 162,340	$ 146,341