Capitalization	3 Months Ended
Dec. 31, 2016
Capitalization, Long-term Debt and Equity [Abstract]
Capitalization	Capitalization Common Stock. During the three months ended December 31, 2016, the Company issued 19,000 original issue shares of common stock as a result of stock option and SARs exercises, 74,047 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 46,352 original issue shares of common stock for the Direct Stock Purchase and Dividend Reinvestment Plan and 26,995 original issue shares of common stock for the Company’s 401(k) plans. The Company also issued 4,957 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 three months ended December 31, 2016. 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 three months ended December 31, 2016, 41,151 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 December 31, 2016 will mature within the following twelve-month period.

Capitalization

Common Stock. During the three months ended December 31, 2016, the Company issued 19,000 original issue shares of common stock as a result of stock option and SARs exercises, 74,047 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 46,352 original issue shares of common stock for the Direct Stock Purchase and Dividend Reinvestment Plan and 26,995 original issue shares of common stock for the Company’s 401(k) plans. The Company also issued 4,957 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 three months ended December 31, 2016. 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 three months ended December 31, 2016, 41,151 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 December 31, 2016 will mature within the following twelve-month period.