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Mergers and Acquisitions (Purchase Price Allocation) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Mar. 31, 2017 | Dec. 08, 2016
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill | $ 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

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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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