v3.23.1
Cover Page - USD ($)
 12 Months Ended
Mar. 31, 2023
May 20, 2023
Sep. 30, 2022
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Mar. 31, 2023    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --03-31    
Entity Registrant Name Nextracker Inc.    
Entity Central Index Key 0001852131    
Entity Incorporation, State or Country Code DE    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Title of 12(b) Security Class A Common Stock, $0.0001 par value    
Trading Symbol NXT    
Security Exchange Name NASDAQ    
Entity File Number 000-00000    
Entity Tax Identification Number 36-5047383    
Entity Address, Address Line One 6200 Paseo Padre Parkway    
Entity Address, City or Town Fremont    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94555    
City Area Code 510    
Local Phone Number 270-2500    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
ICFR Auditor Attestation Flag false    
Auditor Name DELOITTE & TOUCHE LLP    
Auditor Firm ID 34    
Auditor Location San Jose, California    
Entity Public Float     $ 0
Common Class A [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   45,886,065  
Common Class B [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   98,204,522