v3.25.4
Form N-1A Cover
Mar. 02, 2026
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name HENNESSY FUNDS TRUST
Entity Central Index Key 0000891944
Entity Investment Company Type N-1A
Document Period End Date Mar. 02, 2026
Prospectus Date Mar. 02, 2026