Allocation of Total Purchase Price to the Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) (Clean Process Technologies) In Thousands	May 12, 2011 USD ($)	May 12, 2011 EUR (€)
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Accounts and notes receivable	$ 70,038
Inventories	60,382
Deferred tax assets	4,926
Prepaid expenses and other current assets	40,252
Property, plant and equipment	69,010
Goodwill	451,809
Intangibles	197,231
Accounts payable	(41,061)
Income taxes	(3,937)
Other current liabilities	(59,229)
Long-term debt	(17,041)
Deferred tax liabilities	(57,069)
Purchase Price	$ 715,311	€ 502,700

Business Acquisition, Purchase Price Allocation, Current Liabilities, Accrued Income Taxes

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Business Acquisition, Purchase Price Allocation, Deferred Income Tax Asset, Current

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Business Acquisition, Purchase Price Allocation, Deferred Income Tax Liabilities, Noncurrent

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Business Acquisition, Purchase Price Allocation, Intangible Assets

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Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]

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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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The amount of acquisition cost of a business combination allocated to inventory, including finished goods, work-in-process, and raw materials.

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The amount of acquisition cost of a business combination allocated to prepaid expenses and other current assets. Does not include amounts allocated to cash and cash equivalents, marketable securities, receivables, inventory, and assets not to be used.

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

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The amount of acquisition cost of a business combination allocated to accounts payable of the acquired entity.

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The amount of acquisition cost of a business combination allocated to other current liabilities of the acquired entity. Does not include amounts allocated to the current portion of long-term debt, accounts payable and accrued expenses.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The amount of acquisition cost of a business combination allocated to the noncurrent portion of the long-term debt assumed from the acquired entity.

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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