Expense Example (Core Balanced Trust, USD $)	12 Months Ended
May 01, 2011
Series I, Core Balanced Trust
Expense Example:
Year 1	$ 97
Year 3	304
Year 5	529
Year 10	1,176
Series II, Core Balanced Trust
Expense Example:
Year 1	117
Year 3	366
Year 5	636
Year 10	1,407
Series NAV, Core Balanced Trust
Expense Example:
Year 1	92
Year 3	288
Year 5	502
Year 10	$ 1,118

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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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