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Product Warranties - Current and Long Term Warranty (Details) - USD ($) $ in Thousands	Apr. 03, 2021	Jan. 02, 2021	Mar. 28, 2020	Dec. 28, 2019
Product Warranties Disclosures [Abstract]
Current - in the next twelve months	$ 5,942	$ 5,918
Long-term - beyond one year	10,345	10,191
Total	$ 16,287	$ 16,109	$ 16,221	$ 15,865

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- References

No definition available.

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- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)(1),(c)(5)
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

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- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid within one year or the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability.

+ References

No definition available.

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- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid after one year or beyond the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability.

+ References

No definition available.

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