Shareholder Report, Average Annual Return (Details)

12 Months Ended

60 Months Ended

120 Months Ended

Apr. 30, 2025

Apr. 30, 2025

Apr. 30, 2025

C000099566 [Member]

Average Annual Return [Line Items]

Line Graph and Table Measure Name

Class A (with sales charge)

Average Annual Return, Percent

6.22%

14.85%

8.54%

C000099567 [Member]

Average Annual Return [Line Items]

Line Graph and Table Measure Name

Class C (with CDSC charge)

Average Annual Return, Percent

10.57%

15.29%

8.33%

C000099569 [Member]

Average Annual Return [Line Items]

Line Graph and Table Measure Name

Institutional Class

Average Annual Return, Percent

12.72%

16.45%

9.43%

Without Sales Load [Member] | C000099566 [Member]

Average Annual Return [Line Items]

Line Graph and Table Measure Name

Class A (without sales charge)

Average Annual Return, Percent

12.39%

16.15%

9.15%

Without Sales Load [Member] | C000099567 [Member]

Average Annual Return [Line Items]

Line Graph and Table Measure Name

Class C (without CDSC charge)

Average Annual Return, Percent

11.57%

15.29%

8.33%

Standard & Poor's 500 Index [Member]

Average Annual Return [Line Items]

Line Graph and Table Measure Name

S&P 500® Index

Average Annual Return, Percent

^[1]

12.10%

15.61%

12.32%

Russell 3000 Value Index [Member]

Average Annual Return [Line Items]

Line Graph and Table Measure Name

Russell 3000® Value Index

Average Annual Return, Percent

8.11%

12.96%

8.22%

[1]	The Fund has designated as its new broad-based securities market index in accordance with the SEC’s revised definition.