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Income Taxes: | 9 Months Ended
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Sep. 30, 2023
Income Tax Disclosure [Abstract] |
Income Tax Disclosure [Text Block] | Income Taxes Income taxes were accrued at an estimated effective tax rate of 235% and 70% for the three and nine months ended September 30, 2023, respectively, as compared to 38% and 37% for the three and nine months ended September 30, 2022, respectively. The effective tax rate for the three and nine months ended September 30, 2023 differs from the federal statutory rate of 21% principally because of the effect of the mix of U.S. and foreign incomes, state income taxes, section 162(m) excess compensation, foreign-derived intangible income ("FDII") and tax credits and the following discrete items recognized during the interim period: •Net unrecognized tax benefits resulting primarily from the expiration of statute of limitations during the three and nine months ended September 30, 2023 of $0.0 million and $6.0 million, respectively. •Excess tax benefit recognized on stock option exercises and the vesting of restricted stock units during the three and nine months ended September 30, 2023 of $0.6 million and $0.8 million, respectively. •U.S. federal return-to-provision adjustments net of related tax reserves for the year ended December 31, 2022 resulted in a tax benefit of $7.5 million during the three and nine months ended September 30, 2023. The adjustments related primarily to changes in estimates for the research and development credit and foreign tax credits. •The revaluation of the contingent consideration during the three and nine months ended September 30, 2023 of $15.6 million and $12.3 million, respectively, resulted in a tax expense of $0.0 million for both periods. The effective tax rate for the three and nine months ended September 30, 2022 differs from the federal statutory rate of 21% principally because of the effect of the mix of U.S. and foreign incomes, state income taxes, section 162(m) excess compensation, FDII and tax credits. The effective tax rate during the three and nine months ended September 30, 2022 included a discrete tax benefit of $1.5 million and $4.1 million, respectively, related to excess tax benefits recognized on stock option exercises and the vesting of restricted stock units during the period. The revaluation of the contingent consideration during the three and nine months ended September 30, 2022 of $4.1 million and $31.3 million, respectively, resulted in a tax expense of $0.0 million for both periods.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//740/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-14 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-21 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 270 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482526/740-270-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 17 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-17 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-2 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482603/740-30-50-2 + Details
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