Goodwill and intangible assets (Tables)

9 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The changes in the carrying amount of goodwill for the nine months ended March 31, 2020 are as follows:

	Diversified Industrial Segment			Aerospace Systems Segment			Total
Balance at June 30, 2019	$	5,355,165		$	98,640		$	5,453,805
Acquisitions	1,955,561			503,782			2,459,343
Foreign currency translation and other	(83,361		)	(8		)	(83,369		)
Balance at March 31, 2020	$	7,227,365		$	602,414		$	7,829,779

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, 2020				June 30, 2019
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents and technology	$	990,716	$	149,247	$	265,644	$	130,233
Trademarks	747,536		274,704		542,573		252,388
Customer lists and other	3,785,333		1,217,807		2,435,461		1,077,780
Total	$	5,523,585	$	1,641,758	$	3,243,678	$	1,460,401