Goodwill and intangible assets (Tables)

6 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The changes in the carrying amount of goodwill for the six months ended December 31, 2017 are as follows:

	Diversified Industrial Segment		Aerospace Systems Segment		Total
Balance at June 30, 2017	$	5,488,236	$	98,642	$	5,586,878
Acquisitions	40,125		—		40,125
Foreign currency translation and other	71,689		15		71,704
Balance at December 31, 2017	$	5,600,050	$	98,657	$	5,698,707

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, 2017				June 30, 2017
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents	$	267,706	$	110,912	$	254,049	$	100,860
Trademarks	558,178		217,017		553,691		200,413
Customer lists and other	2,538,551		862,402		2,566,983		765,966
Total	$	3,364,435	$	1,190,331	$	3,374,723	$	1,067,239