Goodwill and intangible assets (Tables)

9 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amount of goodwill

The changes in the carrying amount of goodwill for the nine months ended March 31, 2021 are as follows:

	Diversified Industrial Segment		Aerospace Systems Segment		Total
Balance at June 30, 2020	$	7,267,573	$	602,362	$	7,869,935
Acquisitions	3,738		—		3,738
Foreign currency translation and other	157,900		13		157,913
Balance at March 31, 2021	$	7,429,211	$	602,375	$	8,031,586

Schedule of intangible assets by major category

The following summarizes the gross carrying value and accumulated amortization for each major category of intangible assets:

	March 31, 2021				June 30, 2020
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents and technology	$	999,364	$	203,391	$	991,596	$	162,528
Trademarks	760,437		321,399		748,326		285,197
Customer lists and other	3,857,368		1,497,197		3,791,505		1,284,789
Total	$	5,617,169	$	2,021,987	$	5,531,427	$	1,732,514