Definite Lived Long-Lived Assets (Tables)

12 Months Ended

Jun. 30, 2018

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, 2018 and June 30, 2017, are as follows:

(Dollars in millions)	Weighted Average Life	Gross Carrying Value		Accumulated Amortization			Net Carrying Value
June 30, 2018
Amortized intangibles:
Core technology	18 years	$	170.8	$	(85.3	)	$	85.5
Customer relationships	14 years	587.0		(140.9		)	446.1
Product relationships	12 years	210.5		(197.2		)	13.3
Total intangible assets		$	968.3	$	(423.4	)	$	544.9

(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

Future Amortization Expense

Future amortization expense for the next five years is estimated to be:

(Dollars in millions)	2019		2020		2021		2022		2023
Amortization expense	$	63.5	$	49.5	$	49.5	$	49.5	$	49.5