Debt	12 Months Ended
Oct. 31, 2019
Debt [Abstract]
Debt	10.Debt 2027 Senior Notes During fiscal 2017, the Company issued $300.0 million in aggregate principal amount of 3.5 percent ten-year senior notes due April 6, 2027. Interest is payable semi-annually in arrears on April 6th and October 6th of each year. At October 31, 2019 and 2018, the carrying value of the 2027 Senior Notes was $297.2 million and $296.8 million, respectively. The 2027 Senior Notes are unsecured and unsubordinated obligations of the Company. There are no covenants associated with the 2027 Senior Notes. 2023 Senior Notes During fiscal 2013, the Company issued $325.0 million in aggregate principal amount of 3.625 percent ten-year senior notes due June 15, 2023. Interest is payable semi-annually in arrears on June 15th and December 15th of each year. At October 31, 2019 and 2018, the carrying value of the 2023 Senior Notes was $323.3 million and $322.9 million, respectively. The 2023 Senior Notes are unsecured and unsubordinated obligations of the Company. There are no covenants associated with the 2023 Senior Notes. Redemption of 2017 Senior Notes During fiscal 2017, the Company used net proceeds from the 2027 Senior Notes to redeem the remaining $250.0 million aggregate principal amount of its 2017 Senior Notes. The Company paid total consideration of $256.8 million at redemption to the holders of the 2017 Senior Notes, which was determined pursuant to the terms of the Indenture that governs the notes at an amount equal to the sum of the aggregate principal amount outstanding, the present value of the remaining scheduled payments of interest through the original maturity date and the interest accrued to the date of redemption. The Company recognized a $5.4 million non-operating loss on the extinguishment of the 2017 Senior Notes, representing the difference between the total consideration paid and the net carrying amount of the extinguished debt plus interest accrued to the date of redemption. Corporate credit facility The Company entered into a $300.0 million unsecured revolving credit facility on December 11, 2018. The credit facility has a five-year term, expiring on December 11, 2023. Under the facility, the Company may borrow up to $300.0 million at LIBOR or LIBOR-successor benchmark-based rates of interest, as applicable, that vary depending on the credit ratings of the Company. The credit facility is unsecured, contains financial covenants with respect to leverage and interest coverage, and requires the Company to pay an annual commitment fee on any unused portion. As of October 31, 2019, the Company had no borrowings under its unsecured revolving credit facility.

Debt

12 Months Ended

Oct. 31, 2019

10.Debt

2027 Senior Notes

During fiscal 2017, the Company issued $300.0 million in aggregate principal amount of 3.5 percent ten-year senior notes due April 6, 2027. Interest is payable semi-annually in arrears on April 6th and October 6th of each year. At October 31, 2019 and 2018, the carrying value of the 2027 Senior Notes was $297.2 million and $296.8 million, respectively. The 2027 Senior Notes are unsecured and unsubordinated obligations of the Company. There are no covenants associated with the 2027 Senior Notes.

2023 Senior Notes

During fiscal 2013, the Company issued $325.0 million in aggregate principal amount of 3.625 percent ten-year senior notes due June 15, 2023. Interest is payable semi-annually in arrears on June 15th and December 15th of each year. At October 31, 2019 and 2018, the carrying value of the 2023 Senior Notes was $323.3 million and $322.9 million, respectively. The 2023 Senior Notes are unsecured and unsubordinated obligations of the Company. There are no covenants associated with the 2023 Senior Notes.

Redemption of 2017 Senior Notes

During fiscal 2017, the Company used net proceeds from the 2027 Senior Notes to redeem the remaining $250.0 million aggregate principal amount of its 2017 Senior Notes. The Company paid total consideration of $256.8 million at redemption to the holders of the 2017 Senior Notes, which was determined pursuant to the terms of the Indenture that governs the notes at an amount equal to the sum of the aggregate principal amount outstanding, the present value of the remaining scheduled payments of interest through the original maturity date and the interest accrued to the date of redemption. The Company recognized a $5.4 million non-operating loss on the extinguishment of the 2017 Senior Notes, representing the difference between the total consideration paid and the net carrying amount of the extinguished debt plus interest accrued to the date of redemption.

Corporate credit facility

The Company entered into a $300.0 million unsecured revolving credit facility on December 11, 2018. The credit facility has a five-year term, expiring on December 11, 2023. Under the facility, the Company may borrow up to $300.0 million at LIBOR or LIBOR-successor benchmark-based rates of interest, as applicable, that vary depending on the credit ratings of the Company. The credit facility is unsecured, contains financial covenants with respect to leverage and interest coverage, and requires the Company to pay an annual commitment fee on any unused portion. As of October 31, 2019, the Company had no borrowings under its unsecured revolving credit facility.