000000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 000011 - Document - Risk/Return Summary {Unlabeled} - THE GABELLI SMALL CAP GROWTH FUND (Class AAA Shares) link:presentationLink link:calculationLink link:definitionLink 000012 - Schedule - Shareholder Fees {- THE GABELLI SMALL CAP GROWTH FUND} link:presentationLink link:calculationLink link:definitionLink 000013 - Schedule - Annual Fund Operating Expenses {- THE GABELLI SMALL CAP GROWTH FUND} link:presentationLink link:calculationLink link:definitionLink 000014 - Schedule - Expense Example {Transposed} {- THE GABELLI SMALL CAP GROWTH FUND} link:presentationLink link:calculationLink link:definitionLink 000015 - Schedule - Expense Example, No Redemption {Transposed} {- THE GABELLI SMALL CAP GROWTH FUND} link:presentationLink link:calculationLink link:definitionLink 000016 - Schedule - Annual Total Returns - THE GABELLI SMALL CAP GROWTH FUND [BarChart] link:presentationLink link:calculationLink link:definitionLink 000017 - Schedule - Average Annual Total Returns {Transposed} {- THE GABELLI SMALL CAP GROWTH FUND} link:presentationLink link:calculationLink link:definitionLink 000018 - Document - Risk/Return Detail {Unlabeled} - THE GABELLI SMALL CAP GROWTH FUND link:presentationLink link:calculationLink link:definitionLink 000019 - Disclosure - Risk/Return Detail Data {Elements} - THE GABELLI SMALL CAP GROWTH FUND (Class AAA Shares) link:presentationLink link:calculationLink link:definitionLink 000021 - Document - Risk/Return Summary {Unlabeled} - THE GABELLI EQUITY INCOME FUND (Class AAA Shares) link:presentationLink link:calculationLink link:definitionLink 000022 - Schedule - Shareholder Fees {- THE GABELLI EQUITY INCOME FUND} link:presentationLink link:calculationLink link:definitionLink 000023 - Schedule - Annual Fund Operating Expenses {- THE GABELLI EQUITY INCOME FUND} link:presentationLink link:calculationLink link:definitionLink 000024 - Schedule - Expense Example {Transposed} {- THE GABELLI EQUITY INCOME FUND} link:presentationLink link:calculationLink link:definitionLink 000025 - Schedule - Expense Example, No Redemption {Transposed} {- THE GABELLI EQUITY INCOME FUND} link:presentationLink link:calculationLink link:definitionLink 000026 - Schedule - Annual Total Returns - THE GABELLI EQUITY INCOME FUND [BarChart] link:presentationLink link:calculationLink link:definitionLink 000027 - Schedule - Average Annual Total Returns {Transposed} {- THE GABELLI EQUITY INCOME FUND} link:presentationLink link:calculationLink link:definitionLink 000028 - Document - Risk/Return Detail {Unlabeled} - THE GABELLI EQUITY INCOME FUND link:presentationLink link:calculationLink link:definitionLink 000029 - Disclosure - Risk/Return Detail Data {Elements} - THE GABELLI EQUITY INCOME FUND (Class AAA Shares) link:presentationLink link:calculationLink link:definitionLink 000031 - Document - Risk/Return Summary {Unlabeled} - THE GABELLI FOCUS FIVE FUND (Class AAA Shares) link:presentationLink link:calculationLink link:definitionLink 000032 - Schedule - Shareholder Fees {- THE GABELLI FOCUS FIVE FUND} link:presentationLink link:calculationLink link:definitionLink 000033 - Schedule - Annual Fund Operating Expenses {- THE GABELLI FOCUS FIVE FUND} link:presentationLink link:calculationLink link:definitionLink 000034 - Schedule - Expense Example {Transposed} {- THE GABELLI FOCUS FIVE FUND} link:presentationLink link:calculationLink link:definitionLink 000035 - Schedule - Expense Example, No Redemption {Transposed} {- THE GABELLI FOCUS FIVE FUND} link:presentationLink link:calculationLink link:definitionLink 000036 - Schedule - Annual Total Returns - THE GABELLI FOCUS FIVE FUND [BarChart] link:presentationLink link:calculationLink link:definitionLink 000037 - Schedule - Average Annual Total Returns {Transposed} {- THE GABELLI FOCUS FIVE FUND} link:presentationLink link:calculationLink link:definitionLink 000038 - Document - Risk/Return Detail {Unlabeled} - THE GABELLI FOCUS FIVE FUND link:presentationLink link:calculationLink link:definitionLink 000039 - Disclosure - Risk/Return Detail Data {Elements} - THE GABELLI FOCUS FIVE FUND (Class AAA Shares) link:presentationLink link:calculationLink link:definitionLink 000041 - Document - Risk/Return Summary {Unlabeled} - THE GABELLI SMALL CAP GROWTH FUND (Class A, C and I Shares) link:presentationLink link:calculationLink link:definitionLink 000042 - Schedule - Shareholder Fees {- THE GABELLI SMALL CAP GROWTH FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000043 - Schedule - Annual Fund Operating Expenses {- THE GABELLI SMALL CAP GROWTH FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000044 - Schedule - Expense Example {Transposed} {- THE GABELLI SMALL CAP GROWTH FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000045 - Schedule - Expense Example, No Redemption {Transposed} {- THE GABELLI SMALL CAP GROWTH FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000046 - Schedule - Annual Total Returns - THE GABELLI SMALL CAP GROWTH FUND Class A C I [BarChart] link:presentationLink link:calculationLink link:definitionLink 000047 - Schedule - Average Annual Total Returns {Transposed} {- THE GABELLI SMALL CAP GROWTH FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000048 - Document - Risk/Return Detail {Unlabeled} - THE GABELLI SMALL CAP GROWTH FUND Class A C I link:presentationLink link:calculationLink link:definitionLink 000049 - Disclosure - Risk/Return Detail Data {Elements} - THE GABELLI SMALL CAP GROWTH FUND (Class A, C and I Shares) link:presentationLink link:calculationLink link:definitionLink 000051 - Document - Risk/Return Summary {Unlabeled} - THE GABELLI EQUITY INCOME FUND (Class A C and I Shares) link:presentationLink link:calculationLink link:definitionLink 000052 - Schedule - Shareholder Fees {- THE GABELLI EQUITY INCOME FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000053 - Schedule - Annual Fund Operating Expenses {- THE GABELLI EQUITY INCOME FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000054 - Schedule - Expense Example {Transposed} {- THE GABELLI EQUITY INCOME FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000055 - Schedule - Expense Example, No Redemption {Transposed} {- THE GABELLI EQUITY INCOME FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000056 - Schedule - Annual Total Returns - THE GABELLI EQUITY INCOME FUND Class A C I [BarChart] link:presentationLink link:calculationLink link:definitionLink 000057 - Schedule - Average Annual Total Returns {Transposed} {- THE GABELLI EQUITY INCOME FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000058 - Document - Risk/Return Detail {Unlabeled} - THE GABELLI EQUITY INCOME FUND Class A C I link:presentationLink link:calculationLink link:definitionLink 000059 - Disclosure - Risk/Return Detail Data {Elements} - THE GABELLI EQUITY INCOME FUND (Class A C and I Shares) link:presentationLink link:calculationLink link:definitionLink 000061 - Document - Risk/Return Summary {Unlabeled} - THE GABELLI FOCUS FIVE FUND (Class A C and I Shares) link:presentationLink link:calculationLink link:definitionLink 000062 - Schedule - Shareholder Fees {- THE GABELLI FOCUS FIVE FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000063 - Schedule - Annual Fund Operating Expenses {- THE GABELLI FOCUS FIVE FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000064 - Schedule - Expense Example {Transposed} {- THE GABELLI FOCUS FIVE FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000065 - Schedule - Expense Example, No Redemption {Transposed} {- THE GABELLI FOCUS FIVE FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000066 - Schedule - Annual Total Returns - THE GABELLI FOCUS FIVE FUND Class A C I [BarChart] link:presentationLink link:calculationLink link:definitionLink 000067 - Schedule - Average Annual Total Returns {Transposed} {- THE GABELLI FOCUS FIVE FUND Class A C I} link:presentationLink link:calculationLink link:definitionLink 000068 - Document - Risk/Return Detail {Unlabeled} - THE GABELLI FOCUS FIVE FUND Class A C I link:presentationLink link:calculationLink link:definitionLink 000069 - Disclosure - Risk/Return Detail Data {Elements} - THE GABELLI FOCUS FIVE FUND (Class A C and I Shares) link:presentationLink link:calculationLink link:definitionLink