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Expense Example (International Core Trust, USD $)
12 Months Ended
May 01, 2011
Series I, International Core Trust
 
Expense Example:  
Year 1 $ 109
Year 3 340
Year 5 590
Year 10 1,306
Series II, International Core Trust
 
Expense Example:  
Year 1 129
Year 3 403
Year 5 697
Year 10 1,534
Series NAV, International Core Trust
 
Expense Example:  
Year 1 104
Year 3 325
Year 5 563
Year 10 $ 1,248