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Consolidating Financial Information - Convertible Senior Subordinated Notes (Narrative) (Details) | Sep. 30, 2017
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Convertible Senior Subordinated Notes |
Consolidating Financial Information [Line Items] |
Coupon rate | 1.25%
April 2013 Notes | Convertible Senior Subordinated Notes |
Consolidating Financial Information [Line Items] |
Coupon rate | 1.25%
Lions Gate Entertainment Inc. |
Consolidating Financial Information [Line Items] |
Percentage ownership of LGEI, the issuer, by parent company guarantor | 100.00%

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