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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Merger and Acquisitions (Purchase Price Allocation) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017	Dec. 08, 2016
Business Acquisition [Line Items]
Goodwill	$ 2,833.5	$ 2,740.8	$ 2,700.5
Starz
Business Acquisition [Line Items]
Cash and cash equivalents				$ 73.5
Accounts receivable				254.9
Investment in films and television programs and program rights				851.9
Property and equipment				121.4
Investments				12.1
Intangible assets				2,071.0
Other assets				139.9
Accounts payable and accrued liabilities				(143.1)
Corporate debt and capital lease obligations				(1,013.1)
Deferred tax liabilities				(713.6)
Other liabilities				(165.0)
Fair value of net assets acquired				1,489.9
Goodwill				2,177.0
Total purchase consideration				$ 3,666.9