Shareholder Report, Line Graph (Details) 74200009900_Franklin Small-Mid Cap Growth Fund_Class R6_TSR Annual {Class R6} - 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 R6 | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class R6 | ||||||||||
| Accumulated Value | $ 24,840 | $ 24,208 | $ 20,373 | $ 21,155 | $ 27,320 | $ 16,170 | $ 15,638 | $ 13,273 | $ 11,551 | $ 10,000 | $ 28,513 |
| 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 Midcap Growth Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Russell Midcap Growth Index | ||||||||||
| Accumulated Value | 28,520 | 25,094 | 20,791 | 20,464 | 24,576 | 15,961 | 15,925 | 13,537 | 11,583 | 10,000 | $ 32,187 |
| 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 |