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Shareholder Fees (Vanguard New Jersey Tax-Exempt Money Market Fund, Vanguard New Jersey Tax-Exempt Money Market Fund - Investor Shares, USD $)
12 Months Ended
Nov. 30, 2010
Vanguard New Jersey Tax-Exempt Money Market Fund | Vanguard New Jersey Tax-Exempt Money Market Fund - Investor Shares
 
Shareholder Fees (fees paid directly from your investment]  
Sales charge (load) imposed on purchases none
Purchase Fee none
Sales charge (load) imposed on reinvested dividends none
Redemption Fee none
Account Service Fee (for fund account balances below $10,000) $ 20