Assets and Liabilities of Celigo at Fair Value as of Acquisition Date (Detail) (CeligoCell Cytometer product line, USD $) In Thousands, unless otherwise specified	Dec. 30, 2011
Business Acquisition [Line Items]
Accounts receivable	$ 897
Inventory	1,139
Property, plant and equipment	202
Goodwill	3,713
Accounts payable	(13)
Deferred revenue	(326)
Other current liabilities	(6)
Total purchase price, net of cash acquired	9,216
Completed technology
Business Acquisition [Line Items]
Identifiable intangible assets	3,540
Trademarks and trade names
Business Acquisition [Line Items]
Identifiable intangible assets	$ 70

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 accounts payable 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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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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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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