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Segment Information (Adjusted Share-Based Compensation Expense) (Details) - USD ($)
$ in Millions

12 Months Ended

Mar. 31, 2019

Mar. 31, 2018

Mar. 31, 2017

Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]

Share-based compensation expense

$ 68.1

$ 88.5

$ 79.5

Adjusted share-based compensation

52.1

85.6

77.1

Corporate and reconciling items

Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]

Adjusted share-based compensation

52.1

^[1]

85.6

^[1]

77.1

^[2]

Restructuring and other

Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]

Share-based compensation expense

16.0

2.9

2.4

Restructuring and other | Corporate and reconciling items

Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]

Share-based compensation expense related to accelerated vesting on equity awards

^[3]

$ 16.0

$ 2.9

$ 2.4

[1]	The following table reconciles total share-based compensation expense to adjusted share-based compensation expense: Year Ended March 31, 2019 2018 2017 (Amounts in millions)Total share-based compensation expense$68.1 $88.5 $79.5Less: Amount included in restructuring and other(i)(16.0) (2.9) (2.4)Adjusted share-based compensation$52.1 $85.6 $77.1(i)Represents share-based compensation expense included in restructuring and other expenses reflecting the impact of the acceleration of certain vesting schedules for equity awards pursuant to certain severance arrangements.
[2]	During the fourth quarter of the fiscal year ended March 31, 2019, in connection with recent management changes, the Company implemented changes to its programming strategy including programming that will no longer be broadcast on Starz networks. As a result, the Company recorded certain programming and content charges of $35.1 million in fiscal 2019, which are included in direct operating expense in the consolidated statement of operations.
[3]	Represents share-based compensation expense included in restructuring and other expenses reflecting the impact of the acceleration of certain vesting schedules for equity awards pursuant to certain severance arrangements.

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- Definition

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-Publisher FASB
-Name Accounting Standards Codification
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