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Expense Example (Small Cap Opportunities Trust, USD $)
12 Months Ended
May 01, 2011
Series I, Small Cap Opportunities Trust
 
Expense Example:  
Year 1 $ 111
Year 3 355
Year 5 628
Year 10 1,405
Series II, Small Cap Opportunities Trust
 
Expense Example:  
Year 1 131
Year 3 417
Year 5 734
Year 10 1,632
Series NAV, Small Cap Opportunities Trust
 
Expense Example:  
Year 1 106
Year 3 339
Year 5 601
Year 10 $ 1,348