Dividends - Additional Information (Detail) - $ / shares		3 Months Ended		9 Months Ended
	Jul. 26, 2018	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Dividends payable, date declared	Jul. 26, 2018
Quarterly cash dividend declared per common stock	$ 0.105	$ 0.105	$ 0.070	$ 0.315	$ 0.210
Dividends payable, recorded date	Aug. 06, 2018
Dividends payable, date to be paid	Aug. 16, 2018