Treasury Stock - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Oct. 19, 2016	Oct. 21, 2015
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount			$ 35,000,000	$ 35,000,000
Purchase of treasury shares (in shares)	22,666	72,724
Repurchase of treasury shares	$ 1,304,000	$ 3,500,000
Remaining authorized amount for repurchase of common stock	56,003,000
Treasury stock reissued at lower than repurchase price	$ 5,667,000	$ 5,791,000