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INCOME TAXES
6 Months Ended
Jun. 30, 2020
Income Tax Disclosure [Abstract]  
INCOME TAXES
13. INCOME TAXES
The effective tax rate for the three and six months ended June 30, 2020 was 24.0% and 67.3%, respectively. The effective tax rate for the three and six months ended June 30, 2019 was 21.6% and 21.7%, respectively. WESCO’s effective tax rate is typically impacted by the tax effect of intercompany financing, foreign tax rate differences, nondeductible expenses and state income taxes. The effective tax rates for the current year periods are higher than the corresponding prior year periods primarily due to expenses incurred by WESCO to complete the acquisition of Anixter.
There have been no material adjustments to liabilities for uncertain tax positions since the last annual disclosure for the year ended December 31, 2019, except for preliminary amounts recorded in connection with the acquisition of Anixter, which totaled $30.0 million. In addition, the Company reassessed the realizability of certain deferred income tax assets acquired, including Anixter’s foreign tax credit carryforwards. As a result, the Company preliminary allocated $59.4 million to a foreign tax credit carryforward and $41.4 million to a related valuation allowance.