v3.26.1
Shareholder Report, Line Graph (Details) 74200011200_Franklin Small Cap Growth Fund_Class C_TSR Annual {Class C} - USD ($)
12 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2023
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2017
Apr. 30, 2016
Apr. 30, 2026
Class C                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Class C (with sales charge)
Accumulated Value $ 20,783 $ 21,644 $ 17,896 $ 18,534 $ 26,503 $ 15,133 $ 16,267 $ 14,107 $ 11,876 $ 10,000 $ 26,853
Russell 3000 Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Russell 3000 Index
Accumulated Value 30,227 27,133 22,186 21,857 22,560 14,948 15,106 13,406 11,858 10,000 $ 39,601
Russell 2000 Growth Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Russell 2000 Growth Index
Accumulated Value 20,253 19,775 17,596 17,469 23,749 14,040 15,465 14,466 12,406 10,000 $ 28,889
S&P 500 Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     S&P 500 Index
Accumulated Value $ 31,574 $ 28,167 $ 22,963 $ 22,367 $ 22,320 $ 15,289 $ 15,158 $ 13,356 $ 11,792 $ 10,000 $ 41,379