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Income Taxes	6 Months Ended
	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company’s provision for income taxes in interim periods is computed by applying an estimated annual effective tax rate against income before income taxes for the period. The provision for income taxes was $15.3 million and $9.2 million for the three months ended June 30, 2017 and 2016, respectively. The provision for income taxes was $32.3 million and $25.4 million for the six months ended June 30, 2017 and 2016, respectively.

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-URI http://asc.fasb.org/topic&trid=2144680

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