XML 42 R66.htm IDEA: XBRL DOCUMENT v3.20.1
Derivatives - Additional Information (Detail)
$ in Thousands, lb in Millions
3 Months Ended
Apr. 04, 2020
USD ($)
ForwardContract
lb
$ / lb
Dec. 28, 2019
USD ($)
Derivative [Line Items]    
Derivative liabilities, net $ 4,918 $ 510
Fair Value of Derivative $ 4,000  
MTP Contracts [Member]    
Derivative [Line Items]    
Typical order quantities payment terms net 30 days  
Derivative liabilities, net $ 53  
Number of outstanding forward contracts | ForwardContract 7  
Derivative, amount of hedged item | lb 15.3  
Derivative average price | $ / lb 0.12  
Maturity period of contract, minimum 1 month  
Maturity period of contract, maximum 21 months  
Aluminum Contracts [Member]    
Derivative [Line Items]    
Derivative liabilities, net $ 4,900  
Number of outstanding forward contracts | ForwardContract 33  
Derivative, amount of hedged item | lb 41.5  
Derivative average price | $ / lb 0.81  
Maturity period of contract, minimum 1 month  
Maturity period of contract, maximum 21 months  
Aluminum Contracts and MTP Contracts [Member]    
Derivative [Line Items]    
Accumulated other comprehensive income, net of tax $ 3,700 $ 200