0001013237 2024-12-17 2024-12-17 0001013237 fds:CommonStock2Member 2024-12-17 2024-12-17 0001013237 fds:CommonStock1Member 2024-12-17 2024-12-17 0001013237 false 8-K 2024-12-17 FactSet Research Systems Inc. DE 1-11869 13-3362547 45 Glover Avenue Norwalk CT 06850 203 810-1000 false false false false Common Stock, $0.01 Par Value Common Stock, $0.01 Par Value FDS FDS NYSE NASDAQ false