Capitalization	6 Months Ended
Mar. 31, 2017
Capitalization, Long-term Debt and Equity [Abstract]
Capitalization	Capitalization Common Stock. During the six months ended March 31, 2017, the Company issued 31,446 original issue shares of common stock as a result of stock option and SARs exercises, 74,547 original issue shares of common stock for restricted stock units that vested and 43,484 original issue shares of common stock for performance shares that vested. In addition, the Company issued 90,361 original issue shares of common stock for the Direct Stock Purchase and Dividend Reinvestment Plan and 51,727 original issue shares of common stock for the Company’s 401(k) plans. The Company also issued 10,357 original issue shares of common stock to the non-employee directors of the Company who receive compensation under the Company’s 2009 Non-Employee Director Equity Compensation Plan, as partial consideration for the directors’ services during the six months ended March 31, 2017. Holders of stock options, SARs, restricted share awards or restricted stock units will often tender shares of common stock to the Company for payment of option exercise prices and/or applicable withholding taxes. During the six months ended March 31, 2017, 45,740 shares of common stock were tendered to the Company for such purposes. The Company considers all shares tendered as cancelled shares restored to the status of authorized but unissued shares, in accordance with New Jersey law. Current Portion of Long-Term Debt. None of the Company’s long-term debt at March 31, 2017 will mature within the following twelve-month period.

Capitalization

Common Stock. During the six months ended March 31, 2017, the Company issued 31,446 original issue shares of common stock as a result of stock option and SARs exercises, 74,547 original issue shares of common stock for restricted stock units that vested and 43,484 original issue shares of common stock for performance shares that vested. In addition, the Company issued 90,361 original issue shares of common stock for the Direct Stock Purchase and Dividend Reinvestment Plan and 51,727 original issue shares of common stock for the Company’s 401(k) plans. The Company also issued 10,357 original issue shares of common stock to the non-employee directors of the Company who receive compensation under the Company’s 2009 Non-Employee Director Equity Compensation Plan, as partial consideration for the directors’ services during the six months ended March 31, 2017. Holders of stock options, SARs, restricted share awards or restricted stock units will often tender shares of common stock to the Company for payment of option exercise prices and/or applicable withholding taxes. During the six months ended March 31, 2017, 45,740 shares of common stock were tendered to the Company for such purposes. The Company considers all shares tendered as cancelled shares restored to the status of authorized but unissued shares, in accordance with New Jersey law.

Current Portion of Long-Term Debt. None of the Company’s long-term debt at March 31, 2017 will mature within the following twelve-month period.