Annual report pursuant to Section 13 and 15(d)

Income Taxes (Schedule Of Effective Income Tax Rate) (Details)

v3.8.0.1
Income Taxes (Schedule Of Effective Income Tax Rate) (Details)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Statutory rate 35.00% 35.00% 35.00%
Income subject to tonnage tax (5.90%) 0.00% 0.00%
Dorian Distribution 22.80% 0.00% 0.00%
Reversal of uncertain tax position (28.70%) 0.00% 0.00%
U.S. federal income tax statutory changes (190.20%) 0.00% 0.00%
Non-deductible expenses 0.80% 1.00% 8.20%
Noncontrolling interests (22.40%) 6.30% 11.40%
Losses of foreign subsidiaries not benefited (6.60%) (1.40%) (92.80%)
State taxes 1.20% (0.90%) 29.90%
Share award plans 2.00% 0.00% (5.50%)
Other 1.10% (0.20%) (0.50%)
Effective Income Tax Rate (190.90%) 39.80% (14.30%)