Expense Example (High Yield Trust, USD $)	12 Months Ended
May 01, 2011
Series I, High Yield Trust
Expense Example:
Year 1	$ 77
Year 3	240
Year 5	417
Year 10	930
Series II, High Yield Trust
Expense Example:
Year 1	97
Year 3	303
Year 5	525
Year 10	1,166
Series NAV, High Yield Trust
Expense Example:
Year 1	72
Year 3	224
Year 5	390
Year 10	$ 871

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The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.

+ References

Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 4
-Subsection instructions

+ Details

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- Definition

+ References

Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 2
-Subsection example

+ Details

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- Definition

+ References

Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 2
-Subsection example

+ Details

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- Definition

+ References

Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 2
-Subsection example

+ Details

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