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Other Expense, Net (Tables) | 12 Months Ended
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Dec. 31, 2015
Other Income and Expenses [Abstract] |
Schedule of Other Nonoperating Income (Expense) |
| Year Ended December 31,
(millions of dollars) | 2015 |  | 2014 |  | 2013
Restructuring expense | $ | 65.7 |  |  | $ | 90.8 |  |  | $ | 39.8 |
Pension settlement | 25.7 |  |  | 3.1 |  |  | — |
Merger and acquisition expense | 21.8 |  |  | — |  |  | — |
Gain on previously held equity interest | (10.8 | ) |  | — |  |  | — |
Intangible asset impairment | — |  |  | 10.3 |  |  | 12.5 |
Program termination agreement | — |  |  | — |  |  | 11.3 |
Retirement related obligations | — |  |  | — |  |  | 5.9 |
Other | (1.0 | ) |  | (10.4 | ) |  | (6.9 | )
Other expense, net | $ | 101.4 |  |  | $ | 93.8 |  |  | $ | 62.6 |

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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