XML 351 R178.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Expense Example (Lifestyle Growth Trust, USD $)
12 Months Ended
May 01, 2011
Series I, Lifestyle Growth Trust
 
Expense Example:  
Year 1 $ 84
Year 3 262
Year 5 455
Year 10 1,014
Series II, Lifestyle Growth Trust
 
Expense Example:  
Year 1 104
Year 3 325
Year 5 563
Year 10 1,248
Series NAV, Lifestyle Growth Trust
 
Expense Example:  
Year 1 79
Year 3 246
Year 5 428
Year 10 $ 954