Business segment information (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)		Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)
Segment Reporting [Abstract]
Number of reportable business segments | segment				2
Segment Reporting Information [Line Items]
Net sales	$ 5,061,665	$ 4,086,387	[1]	$ 13,969,251	$ 11,673,776	[1]
Operating income	906,972	774,084		2,359,722	2,169,322
Selling, general and administrative expenses	868,393	640,498	[1]	2,519,163	1,853,105	[1]
Interest expense	151,993	63,272	[1]	416,718	183,982	[1]
Other (income) expense, net	(1,402)	276,823		166,535	489,282
Income before income taxes	756,381	433,989	[1]	1,776,469	1,496,058	[1]
North America
Segment Reporting Information [Line Items]
Net sales	3,364,157	2,645,106		9,278,815	7,451,153
Diversified Industrial
Segment Reporting Information [Line Items]
Net sales	3,867,105	3,454,072		10,892,262	9,830,426
Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,194,560	632,315		3,076,989	1,843,350
Operating Segments
Segment Reporting Information [Line Items]
Net sales	5,061,665	4,086,387		13,969,251	11,673,776
Operating income	952,752	831,489		2,506,063	2,318,386
Operating Segments | Diversified Industrial | North America
Segment Reporting Information [Line Items]
Net sales	2,342,590	2,014,715		6,615,035	5,615,454
Operating income	489,349	413,998		1,362,256	1,085,117
Operating Segments | Diversified Industrial | International
Segment Reporting Information [Line Items]
Net sales	1,524,515	1,439,357		4,277,227	4,214,972
Operating income	329,498	298,475		908,958	881,206
Operating Segments | Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,194,560	632,315		3,076,989	1,843,350
Operating income	133,905	119,016		234,849	352,063
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Selling, general and administrative expenses	$ 45,780	$ 57,405		$ 146,341	$ 149,064

[1] *Prior period amounts have been reclassified to reflect the income statement reclassification as described in Note 1.