Goodwill and intangible assets (Tables)

9 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

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

	Diversified Industrial Segment		Aerospace Systems Segment		Total
Balance at June 30, 2017	$	5,488,236	$	98,642	$	5,586,878
Acquisitions	36,715		—		36,715
Foreign currency translation and other	122,742		23		122,765
Balance at March 31, 2018	$	5,647,693	$	98,665	$	5,746,358

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:

	March 31, 2018				June 30, 2017
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents	$	269,935	$	116,041	$	254,049	$	100,860
Trademarks	562,788		226,902		553,691		200,413
Customer lists and other	2,561,179		916,300		2,566,983		765,966
Total	$	3,393,902	$	1,259,243	$	3,374,723	$	1,067,239