Allocation of Acquisition Costs to Assets Acquired and Liabilities Assumed (Detail) (FTL Seals Technology, Ltd, USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 18, 2013
FTL Seals Technology, Ltd
Schedule of Business Acquisitions, Cost of Acquired Entity [Line Items]
Accounts receivable	$ 3,446
Inventory	4,524
Other current assets, net of cash acquired	133
Property, plant and equipment	1,384
Goodwill	18,084	18,100
Intangible assets	13,016
Total assets acquired	40,587
Total liabilities assumed	(5,939)
Net assets acquired	$ 34,648

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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 assets acquired.

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate 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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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 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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