Common Stock Repurchases - Additional Information (Detail) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 24, 2016	Dec. 26, 2015
Four Zero One K Plan [Member]
Shares Repurchases [Line Items]
Repurchase and cancellation of shares	31,690	33,430
Common stock repurchased, average price	$ 54.85	$ 48.14
Repurchase and cancellation of shares, value	$ 1,700,000	$ 1,460,000
Share Repurchase Program [Member]
Shares Repurchases [Line Items]
Repurchase and cancellation of shares	329,666	747,700
Common stock repurchased, average price	$ 48.81	$ 47.77
Repurchase and cancellation of shares, value	$ 16,100,000	$ 35,700,000
Share repurchase program shares authorized to be repurchased	$ 150,000,000
Share repurchase program expiration date	Dec. 31, 2016
Share repurchase program, remaining authorized amount	$ 57,800,000