Stock Split	9 Months Ended
Jun. 30, 2017
Stockholders' Equity Note [Abstract]
Stock Split	Stock Split On January 17, 2017, Resources Board of Directors approved a three-for-two stock split of the Company's issued and outstanding common stock. The stock split was effected in the form of a 50% stock dividend entitling each shareholder to receive one additional share of common stock for every two shares owned. The stock dividend was payable March 1, 2017 to shareholders of record on February 15, 2017. As the par value of the common stock remained at $5 per share, the Company reclassified $10,025,546 from "Capital in excess of par value" and $2,004,244 from "Retained earnings" to "Common stock" associated with the issuance of 2,405,958 shares. Corresponding prior period amounts, including share and per share data, have been restated retrospectively to reflect the 50% stock dividend.

Stock Split

9 Months Ended

Jun. 30, 2017

Stockholders' Equity Note [Abstract]

On January 17, 2017, Resources Board of Directors approved a three-for-two stock split of the Company's issued and outstanding common stock. The stock split was effected in the form of a 50% stock dividend entitling each shareholder to receive one additional share of common stock for every two shares owned. The stock dividend was payable March 1, 2017 to shareholders of record on February 15, 2017. As the par value of the common stock remained at $5 per share, the Company reclassified $10,025,546 from "Capital in excess of par value" and $2,004,244 from "Retained earnings" to "Common stock" associated with the issuance of 2,405,958 shares. Corresponding prior period amounts, including share and per share data, have been restated retrospectively to reflect the 50% stock dividend.