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Leases (Notes)	12 Months Ended
	Dec. 28, 2019
Leases [Abstract]
Lessee, Operating Leases [Text Block]	3.    Leases The Company enters into operating leases primarily for manufacturing, engineering, research, administration and sales facilities, and information technology ("IT") equipment. At December 28, 2019 and December 29, 2018, the Company did not have any finance leases. Almost all of our future lease commitments, and related lease liability, relate to the Company's facility leases. Some of the Company's leases include options to extend or terminate the lease.

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- References

No definition available.

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- Definition

The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=77888251

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