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Cover
May 15, 2020
Entity Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 15, 2020
Entity File Number 1-14880
Entity Registrant Name Lions Gate Entertainment Corp.
Entity Central Index Key 0000929351
Entity Incorporation, State or Country Code A1
Entity Address, Address Line One 250 Howe Street, 20th Floor
Entity Address, City or Town Vancouver
Entity Address, State or Province BC
Entity Address, Postal Zip Code V6C 3R8
City Area Code 877
Local Phone Number 848-3866
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Class A  
Entity Information [Line Items]  
Title of 12(b) Security Class A Voting Common Shares, no par value per share
Trading Symbol LGF.A
Security Exchange Name NYSE
Common Class B  
Entity Information [Line Items]  
Title of 12(b) Security Class B Non-Voting Common Shares, no par value per share
Trading Symbol LGF.B
Security Exchange Name NYSE
Principal Executive Offices  
Entity Information [Line Items]  
Entity Address, Address Line One 2700 Colorado Avenue
Entity Address, City or Town Santa Monica
Entity Address, State or Province CA
Entity Address, Postal Zip Code 90404