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Other (Income) Expense (Tables) | 12 Months Ended
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Dec. 31, 2014
Other Income and Expenses [Abstract] |
Schedule of Other Income and Expense | Other (income) expense consisted of:
($ in millions) | 2014 |  | 2013 |  | 2012
License costs | $ | 1.2 |  |  | $ | — |  |  | $ | — |
Development income | (1.6 | ) |  | (2.0 | ) |  | (6.5 | )
Acquisition-related contingencies | 1.1 |  |  | 1.0 |  |  | 1.2 |
Foreign exchange and other | (0.9 | ) |  | 0.5 |  |  | 1.1 |
Restructuring and related charges | — |  |  | — |  |  | 2.1 |
Impairment charge | — |  |  | — |  |  | 3.4 |
Total other (income) expense | $ | (0.2 | ) |  | $ | (0.5 | ) |  | $ | 1.3 |

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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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