v3.19.3.a.u2
Document and Entity Information
Jan. 13, 2020
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0000893949
Document Type 8-K
Document Period End Date Jan. 13, 2020
Entity Registrant Name MEDNAX, INC.
Entity Incorporation State Country Code FL
Entity File Number 001-12111
Entity Tax Identification Number 26-3667538
Entity Address, Address Line One 1301 Concord Terrace
Entity Address, City or Town Sunrise
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33323
City Area Code (954)
Local Phone Number 384-0175
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $.01 per share
Trading Symbol MD
Security Exchange Name NYSE
Entity Emerging Growth Company false