Number of persons employed by the Entity

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The amount of working capital recognized as of the acquisition date.

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- Definition

Represents the amount of increase in cost of sales relating to inventory was adjusted to fair value at the acquisition date.

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Number of Plants in the Acquiree Company

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

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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No definition available.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Acquisitions (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		0 Months Ended	12 Months Ended
	Mar. 31, 2015 employee	Mar. 31, 2014	Mar. 11, 2015 Plant	Aug. 31, 2014	Dec. 31, 2014
Business Acquisition [Line Items]
Sales	$ 1,410.0us-gaap_SalesRevenueGoodsNet	$ 1,435.0us-gaap_SalesRevenueGoodsNet
Number of employees	11,800dei_EntityNumberOfEmployees
Preliminary purchase price allocation
Goodwill	573us-gaap_Goodwill				478us-gaap_Goodwill
Financial information of Penford Operations
Acquisition and integration costs	3.7
Penford
Business Acquisition [Line Items]
Total purchase consideration			332
Debt in conjunction with the acquisition			93
Sales				444.0
Number of Plants			6
Preliminary purchase price allocation
Working capital (excluding cash)			66
Property, plant and equipment			110
Other assets			9
Identifiable intangible assets			116
Goodwill			107
Non-current liabilities assumed			(76)
Total preliminary purchase price			332
Financial information of Penford Operations
Charge to cost of sales for fair value mark-up of acquired inventory			3
Employee severance costs	10
Acquisition and integration costs	$ 4.0