Goodwill and Intangible Assets - Changes in carrying amount of goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Goodwill [Roll Forward]
Beginning Balance	$ 5,586,878	$ 2,903,037
Acquisitions	37,489	2,677,489
Divestitures	(138,541)	(22,618)
Foreign currency translation and other	18,594	28,970
Ending Balance	5,504,420	5,586,878
Diversified Industrial Segment
Goodwill [Roll Forward]
Beginning Balance	5,488,236	2,804,403
Acquisitions	37,489	2,677,489
Divestitures	(138,541)	(22,618)
Foreign currency translation and other	18,587	28,962
Ending Balance	5,405,771	5,488,236
Aerospace Systems Segment
Goodwill [Roll Forward]
Beginning Balance	98,642	98,634
Acquisitions	0	0
Divestitures	0	0
Foreign currency translation and other	7	8
Ending Balance	$ 98,649	$ 98,642

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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