Annual report pursuant to Section 13 and 15(d)

Segment Reporting and Geographic Information - Additional Information (Detail)

v3.8.0.1
Segment Reporting and Geographic Information - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 31, 2015
Segment Reporting [Abstract]      
Gain (Loss) on Disposition of Assets $ 638 $ (1,047) $ 0