Business segment information (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2023 USD ($) segment	Sep. 30, 2022 USD ($)
Segment Reporting [Abstract]
Number of reportable business segments | segment	2
Segment Reporting Information [Line Items]
Net sales	$ 4,847,488	$ 4,232,775
Operating income	977,358	787,417
Selling, general and administrative expenses	873,691	835,804
Interest expense	134,468	117,794
Other expense, net	22,455	166,278
Income before income taxes	820,435	503,345
North America
Segment Reporting Information [Line Items]
Net sales	3,293,091	2,834,920
Diversified Industrial
Segment Reporting Information [Line Items]
Net sales	3,618,528	3,486,773
Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,228,960	746,002
Operating Segments
Segment Reporting Information [Line Items]
Net sales	4,847,488	4,232,775
Operating income	1,033,014	839,077
Operating Segments | Diversified Industrial | North America
Segment Reporting Information [Line Items]
Net sales	2,229,906	2,131,760
Operating income	506,053	452,986
Operating Segments | Diversified Industrial | International
Segment Reporting Information [Line Items]
Net sales	1,388,622	1,355,013
Operating income	300,701	293,940
Operating Segments | Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,228,960	746,002
Operating income	226,260	92,151
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Selling, general and administrative expenses	$ 55,656	$ 51,660