Noncurrent cash held in escrow to secure potential indemnification claims and the payment of other potential obligations.

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The total designated funds to assure future payments, including the current and noncurrent amounts. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments.

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The current portion of the indemnification obligations or other contingent liabilities contained in the definitive purchase agreements that are secured by funds placed in escrow.

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The noncurrent escrow funds to secure the noncurrent indemnification obligations or contingent liabilities contained in the definitive purchase agreements.

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The exercise (or strike) price for all equity stated in the contract. The fixed price upon which the noncontrolling interest owners can purchase the parent's underlying equity of the entity.

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The number of days the minority interest owners have to require the parent company to purchase their minority interests after the parent company's option to purchase expires.

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The noncurrent portion of the indemnification obligations or other contingent liabilities contained in the definitive purchase agreements that are secured by funds placed in escrow.

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The exercise (or strike) price for all equity stated in the contract. The fixed price upon which the option holder can purchase the noncontrolling interest owners' underlying equity of the entity.

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The total indemnification obligations or other contingent liabilities, both current and noncurrent, contained in the definitive purchase agreements that are secured by funds placed in escrow (both current and noncurrent).

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The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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Amount of cash paid to acquire the entity.

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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Percentage of voting equity interests acquired in the business combination.

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Description of the pro forma information, nature of adjustments made to historical information to arrive at pro forma amounts, amounts excluded from pro forma information, any material-nonrecurring items included in the pro forma information and limitations of pro forma disclosures.

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The amount of acquisition cost of a business combination allocated to receivables.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Acquisitions And Dispositions (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2010	Oct. 31, 2010 Outstanding Equity Interests [Member] X-Chem, Inc., [Member]	Oct. 31, 2010 Newly Issued Shares [Member] X-Chem, Inc., [Member]	Sep. 30, 2011 X-Chem, Inc., [Member]	Oct. 31, 2010 X-Chem, Inc., [Member]	Dec. 31, 2010 BioDuro Biologics Pte. Ltd. [Member]
Percentage of outstanding equity interest acquired						64.00%
Total purchase consideration						$ 15.5
Cash paid for purchase consideration			7.0	8.5	4.5		5.0
Business acquisition cost of acquired entity valuation for parent					70.0
Accounts receivable, net						0.6
Noncontrolling interest in entity					36.00%		25.00%
Business acquisition cost of acquired entity equity valuation for noncontrolling interest					20.0
Amount deposited in escrow account to secure indemnification claims					2.5
Cash held in escrow	2.3
Component of other assets	4.2
Liabilities related to acquisitions	6.5
Component of other accrued expenses	2.3
Component of other liabilities	4.2
Pro forma acquisition description	Pro forma results of operations prior to the date of acquisition have not been presented because those results are not materially different from the actual results presented.
Acquired fair value of the intangible assets							$ 1.7
Minority owners put expiration period		183