Debt (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Long-term Debt Obligations , Net of Current Maturities

The following table summarizes our long-term debt obligations, net of unamortized debt issuance costs and current maturities, at December 31. The interest rates shown in parentheses are as of December 31, 2016.

($ in millions)	2016		2015
Euro note B, due February 27, 2016	$	—	$	66.8
Term loan, due January 1, 2018 (2.27%)	34.9		37.1
Note payable, due December 31, 2019	0.2		0.2
Credit Facility, due October 15, 2020 (1.00%)	26.4		27.1
Series A notes, due July 5, 2022 (3.67%)	42.0		42.0
Series B notes, due July 5, 2024 (3.82%)	53.0		53.0
Series C notes, due July 5, 2027 (4.02%)	73.0		73.0
	229.5		299.2
Less: unamortized debt issuance costs	0.9		1.0
Total debt	228.6		298.2
Less: current portion of long-term debt	2.4		69.3
Long-term debt	$	226.2	$	228.9