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INCOME TAXES
6 Months Ended
Jun. 30, 2018
Income Tax Disclosure [Abstract]  
INCOME TAXES
INCOME TAXES
 
The Company has significant permanent differences, primarily from stock compensation deductions and non-deductible executive compensation, which cause the effective tax rate to deviate from statutory rates. The effective tax rate, based upon actual operating results, was 32.2% and 34.0% for the three and six months ended June 30, 2018, respectively, compared to 83.9% and 74.8% for the three and six months ended June 30, 2017, respectively. The change in the tax rate was primarily attributable to changes in the federal income tax rate due to the passage of the Tax Cuts and Jobs Act, non-deductible executive compensation, warrant liability in 2017, valuation allowance related to HHC's deferred tax assets, stock compensation deduction and other items which are permanent differences for tax purposes.
 
The decrease in Deferred tax liabilities between December 31, 2017 and June 30, 2018 is due primarily to the cumulative effect adjustment of $89.3 million on adoption of ASU 2014-09 Revenues from Contracts with Customers (Topic 606), resulting in a $19.6 million decrease in the deferred tax liability.