Definite Lived Long-Lived Assets (Tables)

12 Months Ended

Jun. 30, 2017

Finite lived intangible assets disclosure [Abstract]

Other Intangible Assets Subject to Amortization

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

Future Amortization Expense

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