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Restructuring - Activity Related to Accrued Restructuring Costs (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Reorganizations [Abstract]
Balance at beginning of year
Plus: Current year restructuring costs	403
Less: Payment of employee severance costs	50
Balance at end of period	$ 353

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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