Document and Entity Information
Document and Entity Information | Dec. 13, 2023 |
Cover [Abstract] | |
Document Type | 8-K |
Amendment Flag | false |
Document Period End Date | Dec. 13, 2023 |
Entity Registrant Name | Alkermes plc. |
Entity Central Index Key | 0001520262 |
Entity Emerging Growth Company | false |
Entity File Number | 001-35299 |
Entity Incorporation, State or Country Code | L2 |
Entity Tax Identification Number | 98-1007018 |
Entity Address, Address Line One | Connaught House |
Entity Address, Address Line Two | 1 Burlington Road |
Entity Address, City or Town | Dublin 4 |
Entity Address, Country | IE |
Entity Address, Postal Zip Code | D04 C5Y6 |
City Area Code | 353 |
Local Phone Number | 1-772-8000 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Title of 12(b) Security | Ordinary shares, $0.01 par value |
Trading Symbol | ALKS |
Security Exchange Name | NASDAQ |