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Segment Information (Capital Expenditures By Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | $ 33.1 | $ 35.0 | $ 31.1
Motion Picture |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 0.0 | 0.0 | 0.0
Television Production |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 0.4 | 0.4 | 1.2
Media Networks |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | 27.0 | 24.9 | 22.4
Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Capital expenditures | $ 5.7 | $ 9.7 | $ 7.5

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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9212-128498 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9215-128498 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123385561&loc=d3e9135-128495 + Details
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