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Subsequent Events - Summary of Disposal Unit (Detail) - Jul. 06, 2015 - Subsequent Event [Member] - Aroma Chemicals Business Unit [Member] - USD ($) $ in Millions	Total
Subsequent Event [Line Items]
Total consideration	$ 41.5
Net assets disposed	(33.9)
Other effects	(5.7)
Net gain	$ 1.9

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

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