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Recent Accounting Pronouncements - Additional Information (Detail) - USD ($)	3 Months Ended
	Apr. 01, 2017	Jan. 01, 2017
Revisions [Line Items]
Cumulative effect of change in accumulated deficit		$ 1,100,000
Stock-based compensation excess tax benefits	$ 47,000

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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