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Segment Information (Reconciliation of Total Assets By Segment to Consolidated Assets) (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Mar. 31, 2024
--- | --- | ---
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | $ 7,222.2 | $ 7,092.7
Operating segments | Motion Picture |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 2,051.2 | 1,851.4
Operating segments | Television Production |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 2,419.4 | 2,347.8
Operating segments | Media Networks |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | 2,102.5 | 2,036.7
Other unallocated assets |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |
Total assets | $ 649.1 | $ 856.8

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