Subsequent Events - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Oct. 28, 2014 Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend per common share	$ 0.06	$ 0.06	$ 0.18	$ 0.18	$ 0.06
Dividend declared date					Oct. 28, 2014
Dividend declared payable date					Dec. 11, 2014
Dividend payable, record date					Dec. 01, 2014