COVER PAGE
COVER PAGE - USD ($) $ in Billions | 12 Months Ended | ||
Dec. 31, 2020 | Feb. 23, 2021 | Jun. 30, 2020 | |
Cover [Abstract] | |||
Document Type | 10-K/A | ||
Document Annual Report | true | ||
Document Period End Date | Dec. 31, 2020 | ||
Current Fiscal Year End Date | --12-31 | ||
Document Transition Report | false | ||
Entity File Number | 000-50194 | ||
Entity Registrant Name | HMS HOLDINGS CORP | ||
Entity Incorporation, State or Country Code | DE | ||
Entity Address, Address Line One | 5615 High Point Drive | ||
Entity Address, City or Town | Irving | ||
Entity Address, State or Province | TX | ||
Entity Tax Identification Number | 11-3656261 | ||
Entity Address, Postal Zip Code | 75038 | ||
City Area Code | 214 | ||
Local Phone Number | 453-3000 | ||
Title of 12(b) Security | Common Stock $0.01 par value | ||
Trading Symbol | HMSY | ||
Security Exchange Name | NASDAQ | ||
Entity Well-known Seasoned Issuer | Yes | ||
Entity Voluntary Filers | No | ||
Entity Current Reporting Status | Yes | ||
Entity Interactive Data Current | Yes | ||
Entity Filer Category | Large Accelerated Filer | ||
Entity Small Business | false | ||
Entity Emerging Growth Company | false | ||
Entity Shell Company | false | ||
Entity Public Float | $ 1.8 | ||
Common Stock, Shares Outstanding (in shares) | 88,638,966 | ||
Documents Incorporated by Reference | None. | ||
Amendment Description | This Amendment No. 1 to the Annual Report on Form 10-K/A (this "Amendment") amends the Registrant's Annual Report on Form 10-K for the year ended December 31, 2020 (the "Annual Report"), as filed by the Registrant with the Securities and Exchange Commission ("SEC") on February 26, 2021 (the "Original Filing"), and is being filed solely to replace Part III, Items 10 through Item 14 and to include additional exhibits to the Exhibit Index referenced in Item 15 of the Original Filing, which includes the Certifications to this Amendment. The reference in the Original Filing to the incorporation by reference of the Registrant's definitive proxy statement into Part III of the Annual Report on Form 10-K is hereby deleted.For purposes of this Amendment, and in accordance with Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (i) Items 10 through 14 in the Original Filing have been amended and restated in their entirety, (ii) the Exhibit Index in the Original Filing has been amended to include the new exhibits set forth herein and (iii) the reference on the cover of the Original Filing to the incorporation by reference to portions of our definitive proxy statement into Part III of the Original Filing has been deleted. Except as specifically provided herein, this Amendment does not reflect events occurring after the filing of the Original Filing and no attempt has been made in this Amendment to modify or update other disclosures as presented in the Original Filing. Accordingly, this Amendment should be read in conjunction with the Original Filing and any filings with the SEC made thereafter. | ||
Entity Central Index Key | 0001196501 | ||
Document Fiscal Year Focus | 2020 | ||
Document Fiscal Period Focus | FY | ||
Amendment Flag | true | ||
ICFR Auditor Attestation Flag | true |