Goodwill and Intangible Assets - Changes in carrying amount of goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021		Jun. 30, 2020
Goodwill [Roll Forward]
Beginning balance	$ 7,869,935	[1]	$ 5,453,805
Acquisitions	3,738		2,470,590
Foreign currency translation and other	186,014		(54,460)
Ending balance	8,059,687		7,869,935	[1]
Diversified Industrial Segment
Goodwill [Roll Forward]
Beginning balance	7,267,573		5,355,165
Acquisitions	3,738		1,966,865
Foreign currency translation and other	185,998		(54,457)
Ending balance	7,457,309		7,267,573
Aerospace Systems Segment
Goodwill [Roll Forward]
Beginning balance	602,362		98,640
Acquisitions	0		503,725
Foreign currency translation and other	16		(3)
Ending balance	$ 602,378		$ 602,362

[1] *Year ended June 30, 2020 amounts have been adjusted to reflect the change in inventory accounting method, as described in Notes 1 and 7 to the Consolidated Financial Statements.