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Accumulated Other Comprehensive Loss - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 26, 2017
Mar. 27, 2016
Jan. 01, 2017
[1]
Equity [Abstract]      
Accumulated other comprehensive loss $ (3,043,000)   $ (3,110,000)
Reclassification losses from accumulated other comprehensive loss to net income $ 0 $ 0  
[1] Note: The balance sheet at January 1, 2017 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.