Goodwill and intangible assets (Tables)

6 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The changes in the carrying amount of goodwill for the six months ended December 31, 2018 are as follows:

	Diversified Industrial Segment			Aerospace Systems Segment			Total
Balance at June 30, 2018	$	5,405,771		$	98,649		$	5,504,420
Acquisition	2,940			—			2,940
Foreign currency translation and other	(44,799		)	(6		)	(44,805		)
Balance at December 31, 2018	$	5,363,912		$	98,643		$	5,462,555

Schedule of finite-lived intangible assets by major class

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

	December 31, 2018				June 30, 2018
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents	$	261,548	$	123,194	$	265,423	$	117,440
Trademarks	542,931		238,962		546,905		227,580
Customer lists and other	2,440,534		999,032		2,482,079		933,867
Total	$	3,245,013	$	1,361,188	$	3,294,407	$	1,278,887