Goodwill and intangible assets (Tables)

9 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

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



	Diversified Industrial Segment			Aerospace Systems Segment			Total
Balance at June 30, 2016	$	2,804,403		$	98,634		$	2,903,037
Acquisitions	2,677,271			—			2,677,271
Divestitures	(22,618		)	—			(22,618		)
Foreign currency translation and other	(48,966		)	(12		)	(48,978		)
Balance at March 31, 2017	$	5,410,090		$	98,622		$	5,508,712

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, 2017				June 30, 2016
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents	$	258,979	$	94,826	$	150,914	$	95,961
Trademarks	588,978		188,117		340,805		179,156
Customer lists and other	2,477,945		704,595		1,362,521		656,552
Total	$	3,325,902	$	987,538	$	1,854,240	$	931,669

Schedule of acquired finite-lived intangible assets by major class

The following is a summary of the identifiable intangible assets acquired as part of the Clarcor acquisition, the fair values of which were determined using an income valuation approach. The weighted-average life is based on the Company's historical experience. The fair value of the identifiable intangible assets is subject to change upon completion of the final valuation, some of which may be material.



	Fair value		Weighted-Average Life
Patents	$	113,760	18 years
Trademarks	251,600		12 years
Customer lists and other	1,131,920		11 years
Total	$	1,497,280	12 years