Income Taxes Income Taxes (Tables)

3 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Schedule of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns Roll Forward

A reconciliation of its reserves for uncertain tax positions, excluding accrued interest and penalties, for September 30, 2017 is as follows:

(Dollars in millions)
Balance at June 30, 2017	$	52.5
Additions for tax positions of current year	0.1
Balance at September 30, 2017	$	52.6