Recently Issued And Adopted Accounting Pronouncements (Policies)	6 Months Ended
Jun. 30, 2022
Accounting Policies [Abstract]
Recently issued and adopted accounting pronouncements	In August 2020, the Financial Accounting Standards Board ("FASB") issued ASU 2020-06, "Accounting for Convertible Instruments and Contracts in an Entity's Own Equity" which simplifies the accounting for convertible instruments by eliminating certain accounting models when the conversion features are not required to be accounted for as derivatives under Topic 815, Derivatives and Hedging, or that do not result in substantial premiums accounted for as paid-in-capital. Under this ASU, certain debt instruments with embedded conversion features will be accounted for as a single liability measured at its amortized cost. Additionally, this ASU eliminates the treasury stock method to calculate diluted earnings per share for convertible instruments. We adopted this standard on January 1, 2022 using the modified retrospective approach, which resulted in our Convertible Senior Notes Due 2049 being recognized as a single liability. As a result of the adoption of this standard we recorded a $99.7 million decrease to additional paid-in capital, a $56.8 million decrease in debt discounts and a $42.9 million increase in retained earnings. The adoption of this standard also impacted our deferred tax liability by decreasing our deferred tax liability by $15.0 million, decreasing retained earnings by $10.6 million, and increasing additional paid-in capital by $25.6 million. Additionally, the elimination of the treasury stock method will increase the number of dilutive shares used in the diluted earnings per share calculation, if dilutive, by 2.8 million shares.

In August 2020, the Financial Accounting Standards Board ("FASB") issued ASU 2020-06, "Accounting for Convertible Instruments and Contracts in an Entity's Own Equity" which simplifies the accounting for convertible instruments by eliminating certain accounting models when the conversion features are not required to be accounted for as derivatives under Topic 815, Derivatives and Hedging, or that do not result in substantial premiums accounted for as paid-in-capital. Under this ASU, certain debt instruments with embedded conversion features will be accounted for as a single liability measured at its amortized cost. Additionally, this ASU eliminates the treasury stock method to calculate diluted earnings per share for convertible instruments. We adopted this standard on January 1, 2022 using the modified retrospective approach, which resulted in our Convertible Senior Notes Due 2049 being recognized as a single liability. As a result of the adoption of this standard we recorded a $99.7 million decrease to additional paid-in capital, a $56.8 million decrease in debt discounts and a $42.9 million increase in retained earnings. The adoption of this standard also impacted our deferred tax liability by decreasing our deferred tax liability by $15.0 million, decreasing retained earnings by $10.6 million, and increasing additional paid-in capital by $25.6 million. Additionally, the elimination of the treasury stock method will increase the number of dilutive shares used in the diluted earnings per share calculation, if dilutive, by 2.8 million shares.