Goodwill and intangible assets (Tables)

3 Months Ended

Sep. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in carrying amount of goodwill

The changes in the carrying amount of goodwill for the three months ended September 30, 2022 are as follows:

	Diversified Industrial Segment		Aerospace Systems Segment		Total
Balance at June 30, 2022	$	7,185,981	$	554,101	$	7,740,082
Acquisition	53,934		2,776,911		2,830,845
Foreign currency translation	(166,413)		(20,384)		(186,797)
Balance at September 30, 2022	$	7,073,502	$	3,310,628	$	10,384,130

Intangible assets by major category

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

	September 30, 2022				June 30, 2022
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents and technology	$	2,699,116	$	274,128	$	990,775	$	259,587
Trademarks	1,203,677		340,902		727,820		339,244
Customer lists and other	6,842,011		1,741,763		3,735,042		1,718,989
Total	$	10,744,804	$	2,356,793	$	5,453,637	$	2,317,820