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Restructuring and other | 3 Months Ended
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Mar. 31, 2018
Restructuring and Related Activities [Abstract] |
Restructuring and other | Restructuring and other Restructuring and other includes charges or expenses attributable to: (i) employee severance; (ii) management restructuring and related costs; (iii) restructuring and integration; (iv) cost savings initiatives; (v) major litigation; and (vi) acquisition costs and other unusual items. The following table summarizes pre-tax restructuring and other costs for the periods presented:
|  | Three Months Ended March 31,
|  | 2018 |  | 2017
Employee severance (1) |  | $ | 5.1 |  |  | $ | 2.7 |
Acquisitions and related costs(2) |  | 7.8 |  |  | 3.4 |
Contingent consideration adjustment(3) |  | 18.0 |  |  | — |
Legal and related |  | 16.0 |  |  | — |
Restructuring, integration and other |  | 5.3 |  |  | 3.1 |
Total |  | $ | 52.2 |  |  | $ | 9.2 |
(1) Inclusive of employee severance and termination costs associated with restructuring and integration activities.
(2) Three months ended March 31, 2018 includes $7.7 million related to the NYX acquisition.
(3) Represents contingent consideration fair value adjustment based on remeasurement as of March 31, 2018 (see Note 12).

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -URI http://asc.fasb.org/topic&trid=2175745 + Details
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