Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Schedule of Rent Expense

Net rental expense for operating leases for the years ended December 31, 2017, 2016 and 2015 was:

DOLLARS IN MILLIONS	2017			2016			2015
Minimum Rental Expense	$	20.5		$	21.2		$	20.7
Less Sublease Rental Income	(1.6		)	(1.6		)	(1.7		)
Net Rental Expense	$	18.9		$	19.6		$	19.0

Schedule of Future Minimum Lease Payments for Capital and Operating Leases

Future minimum lease payments under capital and operating leases at December 31, 2017 were:

DOLLARS IN MILLIONS	Capital Leases		Operating Leases
2018	$	0.1	$	15.3
2019	—		12.8
2020	—		10.6
2021	—		8.7
2022	—		7.1
2023 and Thereafter	—		9.0
Total Future Payments	$	0.1	$	63.5
Less Imputed Interest	—
Present Value of Minimum Capital Lease Payments	$	0.1