Subsequent Events	3 Months Ended
Nov. 30, 2012
Subsequent Events	Note 15. Subsequent Events On December 11, 2012, the Company’s Board of Directors declared a 7% increase in the regular quarterly cash dividend, increasing it from $0.29 per share to $0.31 per share. The dividend is payable on January 31, 2013 to shareholders of record on January 7, 2013. On January 7, 2013, the Company entered into a first amendment (the “Amendment”) to its existing unsecured credit agreement (the “Agreement”) with Bank of America, N.A. (“Bank of America”) referred to in Note 8 – Debt to the Company’s condensed consolidated financial statements. The Amendment extends the maturity date of the revolving credit facility for five years and increases the revolving commitment to an amount not to exceed $125.0 million. The new maturity date for the revolving credit facility per the Amendment is January 7, 2018. In addition, per the terms of the Amendment, the LIBOR margin will decrease to 0.85 percent, the letter of credit fee will decrease to 0.85 percent per annum and the commitment fee will decrease to an annual rate of 0.12 percent. As a result of the increase in the revolving commitment amount, the Company will incur commitment fees applied to the portion of the total credit facility commitment that has not been borrowed until outstanding loans and letters of credit exceed $62.5 million. All other material terms included in the Agreement remain unchanged within the Amendment. The proceeds of the credit facility, as amended, will be used for the Company’s stock repurchases and general working capital needs.

Note 15. Subsequent Events

On December 11, 2012, the Company’s Board of Directors declared a 7% increase in the regular quarterly cash dividend, increasing it from $0.29 per share to $0.31 per share. The dividend is payable on January 31, 2013 to shareholders of record on January 7, 2013.

On January 7, 2013, the Company entered into a first amendment (the “Amendment”) to its existing unsecured credit agreement (the “Agreement”) with Bank of America, N.A. (“Bank of America”) referred to in Note 8 – Debt to the Company’s condensed consolidated financial statements. The Amendment extends the maturity date of the revolving credit facility for five years and increases the revolving commitment to an amount not to exceed $125.0 million. The new maturity date for the revolving credit facility per the Amendment is January 7, 2018. In addition, per the terms of the Amendment, the LIBOR margin will decrease to 0.85 percent, the letter of credit fee will decrease to 0.85 percent per annum and the commitment fee will decrease to an annual rate of 0.12 percent. As a result of the increase in the revolving commitment amount, the Company will incur commitment fees applied to the portion of the total credit facility commitment that has not been borrowed until outstanding loans and letters of credit exceed $62.5 million. All other material terms included in the Agreement remain unchanged within the Amendment. The proceeds of the credit facility, as amended, will be used for the Company’s stock repurchases and general working capital needs.