Business segment information (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2024 USD ($) technology segment	Sep. 30, 2023 USD ($)
Segment Reporting [Abstract]
Number of reportable business segments | segment	2
Number of core technologies utilized | technology	8
Segment Reporting Information [Line Items]
Net sales	$ 4,903,984	$ 4,847,488
Operating income	1,057,738	977,358
Selling, general and administrative expenses	848,789	873,691
Interest expense	113,091	134,468
Other expense, net	69,461	22,455
Income before income taxes	875,186	820,435
Diversified Industrial
Segment Reporting Information [Line Items]
Net sales	3,456,158	3,618,528
Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,447,826	1,228,960
Operating Segments
Segment Reporting Information [Line Items]
Net sales	4,903,984	4,847,488
Operating income	1,106,532	1,033,014
Operating Segments | Diversified Industrial
Segment Reporting Information [Line Items]
Net sales	3,456,158	3,618,528
Operating income	783,546	806,754
Operating Segments | Aerospace Systems
Segment Reporting Information [Line Items]
Net sales	1,447,826	1,228,960
Operating income	322,986	226,260
Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting Information [Line Items]
Selling, general and administrative expenses	$ 48,794	$ 55,656