Committments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block]

At December 31, 2016, future minimum annual rent commitments are as follows:

Dollar amounts in millions
Year ended December 31,
2017	$	2.6
2018	2.5
2019	2.0
2020	1.9
2021	1.9
2022 and thereafter	1.1
Total	$	12.0