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S000006019 [Member] Investment Objectives and Goals - Aggressive Growth Portfolio
Jan. 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Aggressive Growth Portfolio   June 1, 2026 PORTFOLIO SUMMARY Class A — PAGDX | Class C — PAGHX | Class I — PAGRX
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
Aggressive Growth Portfolio seeks to achieve high (greater than for the stock market as a whole), long- term appreciation in the value of its shares.