| Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] |
The fair values described below may not be indicative of net realizable value or reflective of future fair values. Furthermore, the use of different methodologies to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date. | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | December 31, 2025 | | (In thousands) | Carrying Value | | Estimated Fair Value | | Carrying Value | | Estimated Fair Value | 4.24% Senior notes due 2026 | $ | 200,000 | | | $ | 199,485 | | | $ | 200,000 | | | $ | 199,556 | | 4.05% Senior notes due 2028 | 67,500 | | | 66,326 | | | 67,500 | | | 66,769 | | 4.11% Senior notes due 2028 | 90,000 | | | 87,815 | | | 90,000 | | | 88,712 | | 3.10% Senior notes due 2030 | 150,000 | | | 137,373 | | | 150,000 | | | 138,721 | | 3.20% Senior notes due 2032 | 150,000 | | | 131,647 | | | 150,000 | | | 132,996 | | 4.49% Senior notes due 2032 | 200,000 | | | 188,320 | | | 200,000 | | | 191,143 | | 4.64% Senior notes due 2034 | 100,000 | | | 92,764 | | | 100,000 | | | 94,153 | | | Total debt | $ | 957,500 | | | $ | 903,730 | | | $ | 957,500 | | | $ | 912,050 | | | Debt issuance costs, net | (1,025) | | | (1,025) | | | (1,125) | | | (1,125) | | | Unamortized interest rate swap proceeds | 912 | | | 912 | | | 1,509 | | | 1,509 | | | Total debt, net | $ | 957,387 | | | $ | 903,617 | | | $ | 957,884 | | | $ | 912,434 | |
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