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Income Taxes - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Effective tax rate	15.20%	11.70%	8.30%	10.70%

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- Definition

Effective tax rate continuing operations.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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