Definite Lived Long-Lived Assets

12 Months Ended

Jun. 30, 2017

Finite lived intangible assets disclosure [Abstract]

Definite Lived Long-Lived Assets

DEFINITE-LIVED LONG-LIVED ASSETS

The Company’s definite-lived long-lived assets include property, plant and equipment as well as other intangible assets with definite lives. Refer to Note 16 Supplemental Balance Sheet Information for details related to property, plant and equipment.

The details of other intangible assets subject to amortization as of June 30, 2017 and June 30, 2016, are as follows:

(Dollars in millions)	Weighted Average Life	Gross Carrying Value		Accumulated Amortization			Net Carrying Value
June 30, 2017
Amortized intangibles:
Core technology	18 years	$	170.3	$	(74.8	)	$	95.5
Customer relationships	14 years	253.0		(106.1		)	146.9
Product relationships	12 years	206.9		(176.2		)	30.7
Total intangible assets		$	630.2	$	(357.1	)	$	273.1

(Dollars in millions)	Weighted Average Life	Gross Carrying Value		Accumulated Amortization			Net Carrying Value
June 30, 2016
Amortized intangibles:
Core technology	18 years	$	170.6	$	(64.9	)	$	105.7
Customer relationships	14 years	230.3		(90.9		)	139.4
Product relationships	12 years	208.6		(159.7		)	48.9
Total intangible assets		$	609.5	$	(315.5	)	$	294.0

Amortization expense was $44.3 million, $46.4 million, and $46.5 million for the fiscal year ended June 30, 2017, June 30, 2016, and June 30, 2015, respectively. Future amortization expense for the next five years is estimated to be:

(Dollars in millions)	2018		2019		2020		2021		2022
Amortization expense	$	44.8	$	39.2	$	25.5	$	25.5	$	25.5

The Company impaired definite lived intangible assets of $3.4 million, $0.7 million and $3.4 million in the fiscal years ended June 30, 2017, 2016 and 2015, respectively.