This table describes the fees and expenses that you may pay if you buy, hold, and sell Fund shares. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in this table and examples below.

Operating Expenses Caption [Optional Text]

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Expense Example [Heading]

EXAMPLE

Expense Example by, Year, Caption [Text]

Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Portfolio Turnover [Heading]

PORTFOLIO TURNOVER

Portfolio Turnover, Rate

54.00%

Prospectus [Line Items]

Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold, and sell Fund shares. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in this table and examples below.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.65	%
Distribution (12b-1) Fees		None
Other Expenses		0.59	%
Total Annual Fund Operating Expenses		1.24	%

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Global Managed Volatility Fund — Class F Shares				$	126			$	393			$	681			$	1,500

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 85% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Restated to Reflect Current [Text]

Expenses have been restated to reflect current expenses.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.55	%
Distribution (12b-1) Fees		None
Other Expenses		0.58	%
Total Annual Fund Operating Expenses		1.13	%*

* Expenses have been restated to reflect current expenses. Consequently, the Fund's Total Annual Fund Operating Expenses will differ from the numbers shown in the Fund's financial statements (or the "Financial Highlights" section in the prospectus).

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Tax-Managed Managed Volatility Fund — Class F Shares				$	115			$	359			$	622			$	1,375

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 24% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Restated to Reflect Current [Text]

Expenses have been restated to reflect current expenses.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.65	%
Distribution (12b-1) Fees		None
Other Expenses		0.68	%
Total Annual Fund Operating Expenses		1.33	%*

* Expenses have been restated to reflect current expenses. Consequently, the Fund's Total Annual Fund Operating Expenses will differ from the numbers shown in the Fund's financial statements (or the "Financial Highlights" section in the prospectus).

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Tax-Managed International Managed Volatility Fund — Class F Shares				$	135			$	421			$	729			$	1,601

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 59% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Restated to Reflect Current [Text]

Expenses have been restated to reflect current expenses.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.55	%
Distribution (12b-1) Fees		None
Other Expenses		0.83	%
Total Annual Fund Operating Expenses		1.38	%*

* Expenses have been restated to reflect current expenses. Consequently, the Fund's Total Annual Fund Operating Expenses will differ from the numbers shown in the Fund's financial statements (or the "Financial Highlights" section in the prospectus).

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
U.S. Managed Volatility Fund — Class I Shares				$	140			$	437			$	755			$	1,657

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 54% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Operating Expenses Caption [Optional Text]

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Expense Example [Heading]

EXAMPLE

Expense Example by, Year, Caption [Text]

Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Portfolio Turnover [Heading]

PORTFOLIO TURNOVER

Portfolio Turnover, Rate

85.00%

Prospectus [Line Items]

Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold, and sell Fund shares. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in this table and examples below.

Operating Expenses Caption [Optional Text]

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Expense Example [Heading]

EXAMPLE

Expense Example by, Year, Caption [Text]

Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Portfolio Turnover [Heading]

PORTFOLIO TURNOVER

Portfolio Turnover, Rate

54.00%

Prospectus [Line Items]

Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold, and sell Fund shares. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in this table and examples below.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class Y Shares
Management Fees		0.65	%
Distribution (12b-1) Fees		None
Other Expenses		0.34	%
Total Annual Fund Operating Expenses		0.99	%

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Global Managed Volatility Fund — Class Y Shares				$	101			$	315			$	547			$	1,213

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 85% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Restated to Reflect Current [Text]

Expenses have been restated to reflect current expenses.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class Y Shares
Management Fees		0.55	%
Distribution (12b-1) Fees		None
Other Expenses		0.33	%
Total Annual Fund Operating Expenses		0.88	%*

* Expenses have been restated to reflect current expenses. Consequently, the Fund's Total Annual Fund Operating Expenses will differ from the numbers shown in the Fund's financial statements (or the "Financial Highlights" section in the prospectus).

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Tax-Managed Managed Volatility Fund — Class Y Shares				$	90			$	281			$	488			$	1,084

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 24% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Restated to Reflect Current [Text]

Expenses have been restated to reflect current expenses.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class Y Shares
Management Fees		0.65	%
Distribution (12b-1) Fees		None
Other Expenses		0.43	%
Total Annual Fund Operating Expenses		1.08	%*

* Expenses have been restated to reflect current expenses. Consequently, the Fund's Total Annual Fund Operating Expenses will differ from the numbers shown in the Fund's financial statements (or the "Financial Highlights" section in the prospectus).

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Tax-Managed International Managed Volatility Fund — Class Y Shares				$	110			$	343			$	595			$	1,317

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 59% of the average value of its portfolio.