Open Market Share Repurchase Program - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 24, 2018	Mar. 25, 2018	Mar. 26, 2017
Share Repurchases [Line Items]
Common stock repurchased and retired (in shares)		448,008	80,360
Payments for purchases of common stock		$ 101,084	$ 12,721
Common stock repurchased and retired during period, average price		$ 225.63	$ 158.30
Stock repurchase remaining authorized repurchase amount		$ 648,900
Subsequent Event [Member]
Share Repurchases [Line Items]
Common stock repurchased and retired (in shares)	351,699
Payments for purchases of common stock	$ 81,300
Common stock repurchased and retired during period, average price	$ 231.25