Assets and Liabilities of Nexus Recorded at Fair Values as of Acquisition Date (Detail) (Nexus Biosystems Inc., USD $) In Thousands	Jul. 25, 2011
Business Combination, Separately Recognized Transactions [Line Items]
Accounts receivable	$ 5,708
Inventory	7,481
Other current assets	4,522
Property, plant and equipment	12,527
Goodwill	33,033
Accounts payable and accrued expenses	(6,563)
Deferred revenue	(3,692)
Other current liabilities	(1,534)
Deferred tax liabilities	(2,584)
Other long-term liabilities	(1,070)
Total purchase price, net of cash acquired	84,928
Completed technology
Business Combination, Separately Recognized Transactions [Line Items]
Identifiable intangible assets	6,000
Customer relationships
Business Combination, Separately Recognized Transactions [Line Items]
Identifiable intangible assets	31,000
Trademarks and trade names
Business Combination, Separately Recognized Transactions [Line Items]
Identifiable intangible assets	$ 100

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Business Acquisition, Purchase Price Allocation, Other Current Liabilities

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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 an identifiable intangible asset that will be amortized.

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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 receivables.

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The amount of acquisition cost of a business combination allocated to accrued expenses of the acquired entity.

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The amount of acquisition cost of a business combination allocated to deferred revenue of the acquired entity.

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Amount of deferred tax assets or liabilities for the differences between the values assigned and the tax bases of assets and liabilities in a business combination, net of any valuation allowance for deferred tax assets.

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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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The amount of acquisition cost of a business combination allocated to other noncurrent liabilities of 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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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