Equity - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014	May 19, 2015
Equity [Line Items]
Shares authorized for repurchase				3,000,000
Remaining shares available for repurchase	1,036,125
Total cost of repurchase of common stock	$ 50,516	$ 161,152	$ 56,393
Preferred stock, shares authorized and unissued	2,000,000
Treasury Stock
Equity [Line Items]
Common stock repurchased during period, shares	773,281	2,497,748	939,872