Quarterly report pursuant to Section 13 or 15(d)

Credit Facilities (Details Textual)

v3.19.2
Credit Facilities (Details Textual)
€ in Thousands, ₩ in Thousands
6 Months Ended
Jun. 29, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 29, 2019
EUR (€)
Jun. 29, 2019
KRW (₩)
Jun. 29, 2019
AUD ($)
Debt Instrument [Line Items]          
Loans maturity, description Various        
PNC Bank, National Association, as Administrative Agent, and Lender Party [Member]          
Debt Instrument [Line Items]          
Interest expense recognized $ 3,803,000 $ 4,534,000      
PNC Bank, National Association, as Administrative Agent, and Lender Party [Member] | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Credit facilities, maximum capacity $ 400,000,000        
Net investment hedge | €     € 60,000    
Effective interest rate 3.68%   3.68% 3.68% 3.68%
Shinhan Bank [Member] | Term Loan [Member]          
Debt Instrument [Line Items]          
Credit facilities, maximum capacity | ₩       ₩ 1,000,000  
Effective interest rate 1.87%   1.87% 1.87% 1.87%
Loan maturity month and year 2020-03        
National Australia Bank [Member] | Other Long-Term Debt [Member]          
Debt Instrument [Line Items]          
Loans, frequency of payments monthly        
Loans maturity, description The loans mature at various dates through January 2024.        
National Australia Bank [Member] | Minimum [Member] | Other Long-Term Debt [Member]          
Debt Instrument [Line Items]          
Interest rates 4.00%   4.00% 4.00% 4.00%
National Australia Bank [Member] | Maximum [Member] | Other Long-Term Debt [Member]          
Debt Instrument [Line Items]          
Interest rates 5.30%   5.30% 5.30% 5.30%
National Australia Bank [Member] | Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Credit facilities, maximum capacity         $ 3,000,000