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Contingencies (Narrative) (Details) shares in Millions, $ in Millions |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 08, 2018 USD ($) | Oct. 09, 2018 USD ($) | Aug. 30, 2016 class_action_complaint | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 USD ($) | Mar. 16, 2017 plaintiff | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 USD ($) | Nov. 05, 2018 USD ($) | Dec. 08, 2016 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shareholder litigation settlements | [1] |  |  |  | $ 0.0 | $ 0.0 |  | $ 114.1 | $ 0.0 |  |
Petitions for appraisal filed | plaintiff |  |  |  |  |  |  | 5 |  |  |  |
Starz Dissenting Shareholders | Starz |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Outstanding equity interests (in shares) | shares |  |  |  |  | 22.5 |  |  | 22.5 |  |  |
Fiduciary Litigation |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | class_action_complaint |  |  |  | 7 |  |  |  |  |  |  |
Settlement payment amount |  |  | $ 92.5 |  |  |  |  | $ 92.5 |  |  |
Insurance reimbursement, amount |  |  |  |  |  |  |  | 37.8 |  |  |
Shareholder litigation settlements |  |  |  |  |  |  |  | 54.8 |  |  |
Lawsuit for insurance reimbursement, amount |  |  |  |  |  |  |  |  |  | $ 10.0 |
Appraisal Litigation |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Settlement payment amount |  | $ 964.0 |  |  |  |  |  | 964.0 |  |  |
Shareholder litigation settlements |  |  |  |  |  |  |  | $ 59.3 |  |  |
Value of original merger consideration, dissenting shareholders liability accrued at time of acquisition |  |  |  |  |  |  |  |  |  |  | $ 797.3
[1] | Shareholder litigation settlements of $114.1 million in the nine months ended December 31, 2018 includes the following: (i) $54.8 million for the net expense recorded for the settlement of the Fiduciary Litigation (representing the settlement amount of $92.5 million, net of aggregate insurance reimbursement of $37.8 million and (ii) $59.3 million related to the Appraisal Litigation, representing the amount by which the settlement amount of approximately $964 million exceeds the previously accrued dissenting shareholders' liability including interest through the date agreed in the settlement. See Note 16.

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