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v3.21.1

Debt, Net (Narrative) (Details) - USD ($) |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Apr. 12, 2021 | Mar. 11, 2021 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Debt |  |  |  |  |
Loss on early extinguishment of debt |  |  | $ (33,166,000) | $ 0 |
Interest costs capitalized |  |  | 1,800,000 | $ 3,400,000 |
2.75% Notes | Unsecured senior notes |  |  |  |  |
Debt |  |  |  |  |
Debt instrument, face amount |  | $ 600,000,000.0 | $ 600,000,000 |  |
Initial offering price |  | 98.95% |  |  |
Proceeds from issuance of debt |  | $ 589,800,000 |  |  |
Redemption period before maturity date for 100% redemption price |  |  | 3 months |  |
Redemption price on or after three months prior to maturity date |  | 100.00% |  |  |
Unamortized discount included in carrying value |  |  | $ 10,100,000 |  |
Effective interest rate on debt |  |  | 2.94% |  |
2.75% Notes | Unsecured senior notes | Adjusted Treasury |  |  |  |  |
Debt |  |  |  |  |
Basis point used in determining redemption price prior to maturity |  | 0.25% |  |  |
3.60% Senior Notes | Unsecured senior notes |  |  |  |  |
Debt |  |  |  |  |
Debt instrument, face amount |  |  | $ 350,000,000 |  |
Unamortized discount included in carrying value |  |  | $ 331,000 |  | $ 781,000
Effective interest rate on debt |  |  | 3.70% |  |
Repurchased face amount |  | $ 184,400,000 |  |  |
Repurchase face amount including accrued interest |  | 196,700,000 |  |  |
3.60% Senior Notes | Unsecured senior notes | Subsequent Event |  |  |  |  |
Debt |  |  |  |  |
Repurchased face amount | $ 165,600,000 |  |  |  |
Repurchase face amount including accrued interest | 176,300,000 |  |  |  |
5.250% Senior Notes | Unsecured senior notes |  |  |  |  |
Debt |  |  |  |  |
Debt instrument, face amount |  |  | $ 250,000,000 |  |
Unamortized discount included in carrying value |  |  | $ 630,000 |  | $ 1,600,000
Effective interest rate on debt |  |  | 5.49% |  |
Repurchased face amount |  | 145,600,000 |  |  |
Repurchase face amount including accrued interest |  | $ 164,700,000 |  |  |
5.250% Senior Notes | Unsecured senior notes | Subsequent Event |  |  |  |  |
Debt |  |  |  |  |
Repurchased face amount | 104,400,000 |  |  |  |
Repurchase face amount including accrued interest | 117,700,000 |  |  |  |
3.60% Senior Notes and 5.25% Senior Notes | Unsecured senior notes |  |  |  |  |
Debt |  |  |  |  |
Loss on early extinguishment of debt |  |  | $ 33,200,000 |  |
3.60% Senior Notes and 5.25% Senior Notes | Unsecured senior notes | Subsequent Event |  |  |  |  |
Debt |  |  |  |  |
Loss on early extinguishment of debt | $ 25,000,000 |  |  |  |

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