Goodwill and intangible assets (Tables)

3 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The changes in the carrying amount of goodwill for the three months ended September 30, 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	39,629		—		39,629
Foreign currency translation and other	52,722		10		52,732
Balance at September 30, 2017	$	5,580,587	$	98,652	$	5,679,239

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:

	September 30, 2017				June 30, 2017
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents	$	256,510	$	106,198	$	254,049	$	100,860
Trademarks	556,813		208,892		553,691		200,413
Customer lists and other	2,530,285		813,221		2,566,983		765,966
Total	$	3,343,608	$	1,128,311	$	3,374,723	$	1,067,239