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Income Taxes - Reconciliations of Statutory U.S. Federal Income Tax Rates to Our Effective Tax Rate for Continuing Operations (Details) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Statutory rate | 21.00% | 21.00% | 35.00%
Tax reform | 0.00% | (0.30%) | 3.10%
State tax, net of federal benefit | 3.90% | 3.80% | 2.60%
Business tax credits | (3.50%) | (0.50%) | (0.10%)
Reverse federal impact of indemnification adjustments | 0.30% | 3.50% | 2.50%
Unrecognized tax benefits, U.S. federal and state, net of federal benefit | (0.10%) | (15.90%) | (2.00%)
Excess tax benefits/deficiencies for employee stock-based compensation, federal and state, net of federal benefit | (0.30%) | (0.60%) | (1.70%)
Impact of state rate change on net deferred tax liabilities, net of federal benefit | 0.00% | (0.40%) | 0.60%
State, valuation allowance adjustments on net operating losses | 0.10% | 0.40% | 0.20%
Other, net | 0.90% | 1.90% | 1.00%
Effective tax rate | 22.30% | 12.90% | 41.20%

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- Definition Effective Tax Rate Reconciliation, Reverse Federal Impact of Indemnification Adjustments + References No definition available. + Details
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- Definition Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Provisional Effective Tax Rate Reconciliation, Percent + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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