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Nature of Operations and Summary of Significant Accounting Policies - Intangible Assets By Major Asset Class (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 30, 2019
Dec. 29, 2018
Acquired Definite-Lived Intangible Assets [Line Items]    
Gross $ 246,195 $ 178,755
Accumulated Amortization (80,512) (75,179)
Currency Translation (7,254) (6,714)
Net 158,429 96,862
Acquired Intangible Assets [Abstract]    
Gross 272,495 195,355
Currency Translation (7,387) (6,829)
Net 184,596 113,347
Tradenames    
Acquired Indefinite-Lived Intangible Assets [Line Items]    
Gross 26,300 16,600
Currency Translation (133) (115)
Net 26,167 16,485
Customer relationships    
Acquired Definite-Lived Intangible Assets [Line Items]    
Gross 166,183 113,283
Accumulated Amortization (41,222) (38,160)
Currency Translation (4,498) (4,520)
Net 120,463 70,603
Product technology    
Acquired Definite-Lived Intangible Assets [Line Items]    
Gross 57,001 46,501
Accumulated Amortization (24,619) (23,563)
Currency Translation (1,761) (1,677)
Net 30,621 21,261
Tradenames    
Acquired Definite-Lived Intangible Assets [Line Items]    
Gross 5,227 5,227
Accumulated Amortization (2,090) (1,980)
Currency Translation (419) (390)
Net 2,718 2,857
Other    
Acquired Definite-Lived Intangible Assets [Line Items]    
Gross 17,784 13,744
Accumulated Amortization (12,581) (11,476)
Currency Translation (576) (127)
Net $ 4,627 $ 2,141