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Restructuring Charges - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended
	Feb. 01, 2013	Mar. 29, 2014
Restructuring Cost and Reserve [Line Items]
Percentage of reduction of global workforce	18.00%	5.00%
Reduction in salary, wages and other employee-related expenses due to implementation of plan		$ 1,900,000
Total employee-related costs incurred under the 2013 Plan	$ 742,000

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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