Expense Example (Capital Appreciation Trust, USD $)	12 Months Ended
May 01, 2011
Series I, Capital Appreciation Trust
Expense Example:
Year 1	$ 81
Year 3	252
Year 5	439
Year 10	978
Series II, Capital Appreciation Trust
Expense Example:
Year 1	101
Year 3	315
Year 5	547
Year 10	1,213
Series NAV, Capital Appreciation Trust
Expense Example:
Year 1	76
Year 3	237
Year 5	411
Year 10	$ 918

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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

Name:	rr_ExpenseExampleYear05
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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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