Amount of fair value markup of acquired inventory charged to costs during the period.

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Total revenue from sale of goods rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts, shipping and handling costs.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net result for the period of deducting operating expenses from operating revenues.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 segment	Mar. 31, 2014	Dec. 31, 2014
Segment Information
Number of reportable business segments	4us-gaap_NumberOfReportableSegments
Segment information
Net sales	$ 1,330.1ingr_SalesRevenueNetOfShippingCosts	$ 1,357.2ingr_SalesRevenueNetOfShippingCosts
Operating income	139.5us-gaap_OperatingIncomeLoss	122.3us-gaap_OperatingIncomeLoss
Restructuring charge	(10.4)us-gaap_RestructuringCharges
Acquisition/integration costs	(3.7)
Charge for fair value markup of acquired inventory	(3.0)
Total Assets	5,419us-gaap_Assets		5,091us-gaap_Assets
North America
Segment information
Net sales	754.0	736.9
Total Assets	3,365		2,907
South America
Segment information
Net sales	258.1	293.8
Total Assets	807		923
Asia Pacific
Segment information
Net sales	186.9	185.4
Total Assets	735		711
EMEA
Segment information
Net sales	131.1	141.1
Total Assets	512		550
Operating Segments
Segment information
Operating income	156.6	122.3
Operating Segments \| North America
Segment information
Operating income	102.1	65.2
Operating Segments \| South America
Segment information
Operating income	24.6	29.9
Operating Segments \| Asia Pacific
Segment information
Operating income	25.6	25.7
Operating Segments \| EMEA
Segment information
Operating income	22.1	21.1
Corporate, Non-Segment
Segment information
Operating income	$ (17.8)	$ (19.6)