Stock-Based Compensation Arrangements - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended	9 Months Ended
		Oct. 02, 2016	Sep. 27, 2015	Jul. 03, 2016	Oct. 02, 2016	Jan. 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number				2,444,019		2,393,084
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price				$ 8.79		$ 8.59	[1]
ShareBasedCompensationArrangementbyShareBasedPaymentAwarad,Options,Outstanding,WeightedAverageRemainingContractualLife					7 years 7 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term				3 years 18 days
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price				$ 12.51
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				(13,399)
Share-based Compensation Arrangement by Share-bassed Payment Award, Options, Exercised, Weighted Average Exercise Price	[1]			$ 8.86
Tax benefit related to the accelerated vesting of restricted stock awards		$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price				$ 8.85
ShareBasedCompensationArrangementbyShareBasedPaymentAward,Options,ExpectedtoVest,WeightedAverageRemainingContractualTerm					7 years 7 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares				(36,776)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	[1]			$ 9.09
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number				1,938,263
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options				290,394
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price				$ 8.31
ShareBasedCompensationArrangementbyShareBasedPaymentAward,Options,Exercisable,WeightedAverageRemainingContractualLife					7 years 5 months 8 days
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (shares)				101,110

[1] The weighted average exercise price reflects the original grant date fair value per option as adjusted for the dividend payment made in August 2015.