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Income Taxes (Reconciliation of U.S. Federal Tax to Effective Tax Rate) (Details) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Effective tax rate reconciliation |  |  |
Statutory U.S. federal tax rate | 21.00% | 35.00% | 35.00%
Increase (decrease) in rate resulting from: |  |  |
State and local income taxes, net of related federal taxes | 3.40% | (4.20%) | 5.80%
Federal income tax credits | (3.40%) | 0.00% | (7.30%)
Change in federal and state tax rates | (2.10%) | 374.80% | 0.00%
Income taxes on foreign earnings | (1.50%) | (2.20%) | (1.30%)
Nondeductible compensation | 1.50% | (2.50%) | 2.00%
Tax effect of GILTI | 1.40% | 0.00% | 0.00%
Equity Method Investments | 1.10% | (0.40%) | 0.30%
Impacts related to the 2017 Tax Act | 0.60% | (7.10%) | 0.00%
Other, net | 0.50% | 4.40% | (0.80%)
Release (accrual) of unrecognized tax benefits | (0.10%) | 3.00% | 0.10%
Effect of noncontrolling interest | 0.10% | 0.20% | (4.70%)
Goodwill impairment | 0.00% | (93.50%) | 0.00%
Tax associated with accrued and unpaid dividends | 0.00% | 0.10% | 3.20%
Effective tax rate | 22.50% | 307.60% | 32.30%

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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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