Business segment information (Details) $ in Thousands	3 Months Ended			6 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)		Dec. 31, 2022 USD ($) segment	Dec. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of reportable business segments | segment				2
Segment Reporting Information [Line Items]
Net sales	$ 4,674,811	$ 3,824,580	[1]	$ 8,907,586	$ 7,587,389	[1],[2]
Operating income	665,333	701,181		1,452,750	1,395,238
Selling, general and administrative expenses	814,966	585,858	[1],[2]	1,650,770	1,212,607	[1],[2]
Interest expense	146,931	61,360	[1],[2]	264,725	120,710	[1]
Other expense	1,659	149,497		167,937	212,459
Income before income taxes	516,743	490,324	[1],[2]	1,020,088	1,062,069	[1]
North America
Segment Reporting Information [Line Items]
Net sales	3,079,738	2,421,073		5,914,658	4,806,047
Diversified Industrial
Segment Reporting Information [Line Items]
Net sales	3,538,384	3,206,203		7,025,157	6,376,354
Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,136,427	618,377		1,882,429	1,211,035
Operating Segments
Segment Reporting Information [Line Items]
Net sales	4,674,811	3,824,580		8,907,586	7,587,389
Operating income	714,234	743,768		1,553,311	1,486,897
Operating Segments | Diversified Industrial | North America
Segment Reporting Information [Line Items]
Net sales	2,140,685	1,807,024		4,272,445	3,600,739
Operating income	419,921	337,417		872,907	671,119
Operating Segments | Diversified Industrial | International
Segment Reporting Information [Line Items]
Net sales	1,397,699	1,399,179		2,752,712	2,775,615
Operating income	285,520	291,555		579,460	582,731
Operating Segments | Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,136,427	618,377		1,882,429	1,211,035
Operating income	8,793	114,796		100,944	233,047
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Selling, general and administrative expenses	$ 48,901	$ 42,587		$ 100,561	$ 91,659

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

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