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Expense Example (American International Trust, USD $)
12 Months Ended
May 01, 2011
Series I, American International Trust
 
Expense Example:  
Year 1 $ 117
Year 3 365
Year 5 633
Year 10 1,398
Series II, American International Trust
 
Expense Example:  
Year 1 132
Year 3 412
Year 5 713
Year 10 1,568
Series III, American International Trust
 
Expense Example:  
Year 1 82
Year 3 255
Year 5 444
Year 10 $ 990