XML 47 R35.htm IDEA: XBRL DOCUMENT v3.19.1
Accumulated Other Comprehensive Loss - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 24, 2019
Mar. 25, 2018
Dec. 30, 2018
[1]
Other Comprehensive Income [Line Items]      
Accumulated other comprehensive loss $ (4,192,000)   $ (4,429,000)
Reclassification losses from accumulated other comprehensive loss to net income $ 0 $ 0  
Accumulated Other Comprehensive Loss [Member]      
Other Comprehensive Income [Line Items]      
Reclassification of certain tax effects from accumulated other comprehensive income   $ (351,000)  
[1] The balance sheet at December 30, 2018 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.