Income Tax	6 Months Ended
Jun. 30, 2016
Income Tax [Abstract]
Income Tax	Note 9 – Income Tax The provision for income taxes is different from the amount determined by applying the U.S. federal statutory rate to consolidated income before taxes. The significant differences arise from the difference in foreign tax rates from U.S. tax rates, earnings considered indefinitely reinvested in foreign operations, state taxes, unrecognized tax benefits, and foreign withholding tax on interest. Our effective tax rate was 35.7 % and 17.6 % for the six months ended June 30, 2016 and 2015, respectively. The change between 2016 and 2015 was substantially caused by the reversal in the second quarter of 2015 of our assertion made in prior years that earnings of Australian subsidiaries are not indefinitely invested in foreign operations.

Income Tax

6 Months Ended

Jun. 30, 2016

Note 9 – Income Tax

The provision for income taxes is different from the amount determined by applying the U.S. federal statutory rate to consolidated income before taxes. The significant differences arise from the difference in foreign tax rates from U.S. tax rates, earnings considered indefinitely reinvested in foreign operations, state taxes, unrecognized tax benefits, and foreign withholding tax on interest. Our effective tax rate was 35.7 % and 17.6 % for the six months ended June 30, 2016 and 2015, respectively. The change between 2016 and 2015 was substantially caused by the reversal in the second quarter of 2015 of our assertion made in prior years that earnings of Australian subsidiaries are not indefinitely invested in foreign operations.