Earnings Per Shares - Additional Information (Detail) - shares	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Earnings Per Share [Abstract]
Weighted average number of common shares, dilutive effect (in shares)	1,374,268	969,340	1,086,442
Anti-dilutive security excluded from calculation, restricted stock awards (in shares)	150,000	150,000	150,000
Out-of-the-money-stock-options excluded from calculation, common diluted earnings per share (in shares)	1,382,486	3,498,229	2,985,215