Goodwill and intangible assets (Tables)

3 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amount of goodwill

The changes in the carrying amount of goodwill for the three months ended September 30, 2020 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	98,211		13		98,224
Balance at September 30, 2020	$	7,369,522	$	602,375	$	7,971,897

Schedule of intangible assets by major category

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

	September 30, 2020				June 30, 2020
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents and technology	$	997,032	$	176,937	$	991,596	$	162,528
Trademarks	755,486		299,342		748,326		285,197
Customer lists and other	3,830,936		1,363,861		3,791,505		1,284,789
Total	$	5,583,454	$	1,840,140	$	5,531,427	$	1,732,514