Cover Page - USD ($)
 12 Months Ended
Jun. 30, 2020
Aug. 19, 2020
Dec. 31, 2019
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Focus Jun. 30, 2020    
Document Transition Report false    
Entity File Number 001-35300    
Entity Registrant Name UBIQUITI INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 32-0097377    
Entity Address, Address Line One 685 Third Avenue    
Entity Address, Address Line Two 27th Floor    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10017    
City Area Code 646    
Local Phone Number 780-7958    
Title of 12(b) Security Common stock, $0.001 par value per share    
Trading Symbol UI    
Security Exchange Name NYSE    
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    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 1,628,088,023
Entity Common Stock, Shares Outstanding   63,696,236  
Documents Incorporated by Reference Portions of the registrant’s Definitive Proxy Statement to be filed with the Securities and Exchange Commission in connection with the registrant’s 2020 Annual Meeting of Stockholders are incorporated herein by reference in Part III of this Annual Report on Form 10-K to the extent stated herein.    
Amendment Flag false    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001511737    
Current Fiscal Year End Date --06-30