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Basis of Presentation - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Accounting Policies [Abstract]
Equity method investments	$ 0		$ 0
Guarantee or other funding obligations under equity method investment	0		0
Gain or losses from equity method investment	0	0
Acquisition-related costs	$ 1,184	$ 404
Warranty coverage on product sales estimated	1 year

The amount of liabilities reported by an equity method investment of the entity.

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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