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Income taxes	6 Months Ended
	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income taxes	Income taxes Our effective tax rate was 13.0% for the three and six months ended June 30, 2019 and 2018. Our effective tax rate in any period can be impacted by revisions to the estimated full year rate.

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- References

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- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-URI http://asc.fasb.org/topic&trid=2144680

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