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Nature of Operations and Summary of Significant Accounting Policies - Intangible Assets By Major Asset Class (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 03, 2021 | Jan. 02, 2021
Acquired Definite-Lived Intangible Assets [Line Items] |  |
Gross | $ 254,114 | $ 254,114
Accumulated Amortization | (123,718) | (114,458)
Currency Translation | (3,218) | (3,118)
Net | 127,178 | 136,538
Acquired Intangible Assets [Abstract] |  |
Gross | 278,214 | 278,214
Currency Translation | (2,914) | (2,791)
Net | 151,582 | 160,965
Tradenames |  |
Acquired Indefinite-Lived Intangible Assets [Line Items] |  |
Gross | 24,100 | 24,100
Currency Translation | 304 | 327
Net | 24,404 | 24,427
Customer relationships |  |
Acquired Definite-Lived Intangible Assets [Line Items] |  |
Gross | 173,728 | 173,728
Accumulated Amortization | (72,364) | (65,488)
Currency Translation | (1,279) | (1,316)
Net | 100,085 | 106,924
Product technology |  |
Acquired Definite-Lived Intangible Assets [Line Items] |  |
Gross | 56,111 | 56,111
Accumulated Amortization | (33,465) | (31,655)
Currency Translation | (1,093) | (1,005)
Net | 21,553 | 23,451
Tradenames |  |
Acquired Definite-Lived Intangible Assets [Line Items] |  |
Gross | 6,027 | 6,027
Accumulated Amortization | (3,162) | (2,946)
Currency Translation | (310) | (282)
Net | 2,555 | 2,799
Other |  |
Acquired Definite-Lived Intangible Assets [Line Items] |  |
Gross | 18,248 | 18,248
Accumulated Amortization | (14,727) | (14,369)
Currency Translation | (536) | (515)
Net | $ 2,985 | $ 3,364

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