XML 29 R20.htm IDEA: XBRL DOCUMENT v3.7.0.1
Basis of Presentation - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Apr. 04, 2017
Mar. 29, 2016
Basis Of Preparation [Line Items]    
Income tax expense as the part of adoption $ 3,580 $ 4,759
Accounting Standards Update 2016-09 [Member]    
Basis Of Preparation [Line Items]    
Income tax expense as the part of adoption 80  
Accounting Standards Update 2015-17 [Member]    
Basis Of Preparation [Line Items]    
Reclassification of deferred taxes from current to long-term, due to adoption of ASU 2015-17 $ 18,400