| http://www.w3.org/ns/prov#value | - Our effective tax rates for the periods differ from the U.S. statutory rate of 35% due to a number of factors, including the mix of profit and loss between various taxing jurisdictions and the impact of permanent items that affect book income but do not affect taxable income.Operating expenses for Functional Support, which represent expenses associated with managing our U.S. and International oper
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