v3.26.1
Form N-1A Cover
Sep. 08, 2026
Prospectus [Line Items]  
Document Type 497
Amendment Flag false
Registrant Name LEGG MASON GLOBAL ASSET MANAGEMENT TRUST
Entity Central Index Key 0001474103
Entity Investment Company Type N-1A
Document Period End Date Sep. 08, 2026
Prospectus Date Sep. 08, 2026