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Other (Income) Expense (Tables) | 3 Months Ended
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Mar. 31, 2015
Other Income and Expenses [Abstract] |
Schedule of Other (Income) Expense | Other (income) expense consists of:
| Three Months Ended March 31,
($ in millions) | 2015 |  | 2014
Development income | $ | (0.4 | ) |  | $ | (0.4 | )
Acquisition-related contingencies | 0.2 |  |  | 0.4 |
Foreign exchange and other | (0.6 | ) |  | 0.7 |
| $ | (0.8 | ) |  | $ | 0.7 |

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- Definition Schedule of Other Income and Expense, by Component [Table Text Block] + References No definition available. + Details
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