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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Commitments For Non-Cancelable Leases

($ in millions)		Capital Leases			Operating Leases		Total
2017		$	4.0		9.1		13.1
2018		2.2			7.7		9.9
2019		0.1			5.6		5.7
2020		—			4.4		4.4
2021		—			2.9		2.9
After 2021		—			4.7		4.7
Total minimum payment required		$	6.3		34.4		40.7

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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for capital and operating leases having initial or remaining non-cancelable lease terms in excess of one year and the total minimum rentals to be received in the future under non-cancelable subleases as of the balance sheet date.

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