Long-Term Debt - Senior Notes - Additional Information (Detail) - USD ($) $ in Thousands				9 Months Ended
	Sep. 13, 2023	Nov. 15, 2019	Jan. 19, 2018	Sep. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Proceeds from borrowings, before offering expenses				$ 420,000	$ 90,000
Gain on early debt extinguishment				$ 1,112	$ 0
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, aggregate principal amount		$ 350,000
3.95% Senior Notes Due 2028
Debt Instrument [Line Items]
Long-term debt, aggregate principal amount			$ 525,000
Debt payment term				We pay interest on the 2028 Notes on February 1 and August 1 of each year
Debt maturity date		Nov. 15, 2029	Feb. 01, 2028
Debt interest rate			3.95%
Debt instrument redemption description				At our option, we may redeem the Senior Notes in whole or in part, at any time or from time to time at a redemption price equal to 100% of the principal amount of such Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the redemption date, plus a “make-whole” premium. Additionally, commencing on November 1, 2027, in the case of the 2028 Notes, on August 15, 2029, in the case of the 2029 Notes, and on July 1, 2033, in the case of the 2033 Notes, at our option, we may redeem the respective Senior Notes in whole or in part, at a redemption price equal to 100% of the principal amount of the Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the applicable redemption date.
Debt instrument, redemption percentage				100.00%
Debt instrument redemption upon the occurrence of change of control, description				Upon the occurrence of a change of control triggering event, as defined in the indentures, each holder of the Senior Notes may require us to purchase all or a portion of such holder’s Senior Notes at a price equal to 101% of their principal amount, plus accrued and unpaid interest, if any, to, but excluding, the applicable repurchase date.
Redemption price percentage of principal amount of debt instrument on change of control				101.00%
5.15% Senior Notes Due 2029
Debt Instrument [Line Items]
Debt payment term				We pay interest on the 2029 Notes on May 15 and November 15 of each year
Debt interest rate		5.15%	5.15%
Debt instrument redemption description				At our option, we may redeem the Senior Notes in whole or in part, at any time or from time to time at a redemption price equal to 100% of the principal amount of such Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the redemption date, plus a “make-whole” premium. Additionally, commencing on November 1, 2027, in the case of the 2028 Notes, on August 15, 2029, in the case of the 2029 Notes, and on July 1, 2033, in the case of the 2033 Notes, at our option, we may redeem the respective Senior Notes in whole or in part, at a redemption price equal to 100% of the principal amount of the Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the applicable redemption date.
Debt instrument, redemption percentage				100.00%
Debt instrument redemption upon the occurrence of change of control, description				Upon the occurrence of a change of control triggering event, as defined in the indentures, each holder of the Senior Notes may require us to purchase all or a portion of such holder’s Senior Notes at a price equal to 101% of their principal amount, plus accrued and unpaid interest, if any, to, but excluding, the applicable repurchase date.
7.15% Senior Notes due 2033
Debt Instrument [Line Items]
Long-term debt, aggregate principal amount	$ 400,000
Debt payment term				We pay interest on the 2033 Notes on April 1 and October 1 of each year
Debt maturity date	Oct. 01, 2033
Debt interest rate	7.15%
Debt instrument redemption description				At our option, we may redeem the Senior Notes in whole or in part, at any time or from time to time at a redemption price equal to 100% of the principal amount of such Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the redemption date, plus a “make-whole” premium. Additionally, commencing on November 1, 2027, in the case of the 2028 Notes, on August 15, 2029, in the case of the 2029 Notes, and on July 1, 2033, in the case of the 2033 Notes, at our option, we may redeem the respective Senior Notes in whole or in part, at a redemption price equal to 100% of the principal amount of the Senior Notes to be redeemed, plus accrued and unpaid interest, if any, on those Senior Notes to the applicable redemption date.
Debt instrument, redemption percentage				100.00%
Debt instrument redemption upon the occurrence of change of control, description				Upon the occurrence of a change of control triggering event, as defined in the indentures, each holder of the Senior Notes may require us to purchase all or a portion of such holder’s Senior Notes at a price equal to 101% of their principal amount, plus accrued and unpaid interest, if any, to, but excluding, the applicable repurchase date.
Redemption price percentage of principal amount of debt instrument on change of control				101.00%
2033 Notes
Debt Instrument [Line Items]
Long-term debt, aggregate principal amount	$ 396,000
Equipment Loans [Member]
Debt Instrument [Line Items]
Debt maturity date				Jun. 01, 2025
Debt interest rate				5.25%