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Acquisitions - Additional Information (Details)
€ in Thousands
 5 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Oct. 30, 2017
USD ($)
Aug. 14, 2017
USD ($)
Jul. 05, 2017
USD ($)
facility
Apr. 04, 2016
USD ($)
Apr. 04, 2016
EUR (€)
Dec. 30, 2017
USD ($)
Dec. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 29, 2018
USD ($)
Dec. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
Business Acquisition [Line Items]                      
Acquisition transaction costs                 $ 1,321,000 $ 5,375,000 $ 1,832,000
Goodwill           $ 268,001,000 $ 268,001,000 $ 151,455,000 258,174,000 268,001,000 151,455,000
Payments to acquire businesses, net                 $ 0 204,731,000 56,617,000
Weighted average useful life of acquired intangible assets                 12 years    
Cash payments in acquisition                 $ 0 206,950,000 $ 58,894,000
Revolving credit facility | Euro-Denominated Borrowing                      
Business Acquisition [Line Items]                      
Proceeds from revolving credit facility       $ 29,866,000              
Unaflex                      
Business Acquisition [Line Items]                      
Cash Paid to Seller Borrowed Under the Revolving Credit Facility   $ 31,274,000                  
Business combination, additional consideration to be transferred                 $ 397,000    
Goodwill   $ 15,640,000                  
Revenue from the date of acquisition           7,335,000          
Operating income from date of acquisition           187,000          
Amortization expense           $ 176,000          
Weighted average useful life of acquired intangible assets   10 years                  
Cash payments in acquisition   $ 0                  
NII FPG                      
Business Acquisition [Line Items]                      
Cash Paid to Seller Borrowed Under the Revolving Credit Facility     $ 170,018,000                
Goodwill     85,432,000                
Revenue from the date of acquisition             48,363,000        
Operating income from date of acquisition             1,238,000        
Amortization expense             $ 6,399,000        
Payments to acquire businesses, net     $ 170,792,000                
Number of primary manufacturing facilities | facility     2                
Goodwill, expected tax deductible amount     $ 33,993,000                
Weighted average useful life of acquired intangible assets     12 years                
Cash payments in acquisition     $ 2,993,000                
NII FPG | Product technology                      
Business Acquisition [Line Items]                      
Weighted average useful life of acquired intangible assets     15 years                
NII FPG | Customer relationships                      
Business Acquisition [Line Items]                      
Weighted average useful life of acquired intangible assets     11 years                
NII FPG | Other intangibles                      
Business Acquisition [Line Items]                      
Weighted average useful life of acquired intangible assets     4 years                
NII FPG | Revolving credit facility | Canadian Denominated Borrowing                      
Business Acquisition [Line Items]                      
Cash Paid to Seller Borrowed Under the Revolving Credit Facility     $ 62,690,000                
NII FPG | Revolving credit facility | Euro-Denominated Borrowing                      
Business Acquisition [Line Items]                      
Cash Paid to Seller Borrowed Under the Revolving Credit Facility     $ 61,769,000                
Other                      
Business Acquisition [Line Items]                      
Cash Paid to Seller Borrowed Under the Revolving Credit Facility $ 2,500,000                 2,500,000  
Goodwill 716,000                    
Cash payments in acquisition $ 0                    
Other | Customer relationships                      
Business Acquisition [Line Items]                      
Weighted average useful life of acquired intangible assets 11 years                    
PAAL                      
Business Acquisition [Line Items]                      
Cash Paid to Seller Borrowed Under the Revolving Credit Facility       29,866,000              
Goodwill       38,552,000              
Revenue from the date of acquisition               40,783,000      
Operating income from date of acquisition               2,372,000      
Amortization expense               $ 1,926,000      
Payments to acquire businesses, net       56,617,000 € 49,713            
Weighted average useful life of acquired intangible assets                 12 years    
Cash payments in acquisition       $ 29,193,000           $ 165,000  
PAAL | Product technology                      
Business Acquisition [Line Items]                      
Weighted average useful life of acquired intangible assets                 9 years    
PAAL | Customer relationships                      
Business Acquisition [Line Items]                      
Weighted average useful life of acquired intangible assets                 13 years    
PAAL | Tradenames                      
Business Acquisition [Line Items]                      
Weighted average useful life of acquired intangible assets                 14 years    
PAAL | Other intangibles                      
Business Acquisition [Line Items]                      
Weighted average useful life of acquired intangible assets                 7 years