Capitalization	9 Months Ended
Jun. 30, 2015
Capitalization, Long-term Debt and Equity [Abstract]
Capitalization	Capitalization Common Stock. During the nine months ended June 30, 2015, the Company issued 202,023 original issue shares of common stock as a result of stock option and SARs exercises and 47,490 original issue shares of common stock for restricted stock units that vested. In addition, the Company issued 94,675 original issue shares of common stock for the Direct Stock Purchase and Dividend Reinvestment Plan and 66,406 original issue shares of common stock for the Company’s 401(k) plans. The Company also issued 11,316 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 nine months ended June 30, 2015. 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 nine months ended June 30, 2015, 50,200 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 June 30, 2015 will mature within the following twelve-month period. Long-Term Debt. On June 25, 2015, the Company issued $450.0 million of 5.20% notes due July 15, 2025. After deducting underwriting discounts and commissions, the net proceeds to the Company amounted to $445.7 million. The holders of the notes may require the Company to repurchase their notes at a price equal to 101% of the principal amount in the event of a change in control and a ratings downgrade to a rating below investment grade. The proceeds of this debt issuance were used for general corporate purposes, including the reduction of short-term debt.

Capitalization

Common Stock. During the nine months ended June 30, 2015, the Company issued 202,023 original issue shares of common stock as a result of stock option and SARs exercises and 47,490 original issue shares of common stock for restricted stock units that vested. In addition, the Company issued 94,675 original issue shares of common stock for the Direct Stock Purchase and Dividend Reinvestment Plan and 66,406 original issue shares of common stock for the Company’s 401(k) plans. The Company also issued 11,316 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 nine months ended June 30, 2015. 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 nine months ended June 30, 2015, 50,200 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 June 30, 2015 will mature within the following twelve-month period.

Long-Term Debt. On June 25, 2015, the Company issued $450.0 million of 5.20% notes due July 15, 2025. After deducting underwriting discounts and commissions, the net proceeds to the Company amounted to $445.7 million. The holders of the notes may require the Company to repurchase their notes at a price equal to 101% of the principal amount in the event of a change in control and a ratings downgrade to a rating below investment grade. The proceeds of this debt issuance were used for general corporate purposes, including the reduction of short-term debt.