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v3.21.2

Leases - Additional Information (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 02, 2021 USD ($) a State Option | Jul. 03, 2020 USD ($) | Jul. 02, 2021 USD ($) a State Option | Jul. 03, 2020 USD ($)
Other Income [Member] |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |
Rental Income | $ | $ 615,000 | $ 869,000 | $ 1,407,000 | $ 1,861,000
Office, Laboratory, and Storage Space [Member] |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |
Number of States in which Entity Has Lease Arrangements | State | 13 |  | 13 |
Office, Laboratory, and Storage Space [Member] | Minimum |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |
Lessee, Operating Lease, Term of Contract | 1 year |  | 1 year |
Office, Laboratory, and Storage Space [Member] | Maximum |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |
Lessee, Operating Lease, Term of Contract | 10 years |  | 10 years |
Phoenix Arizona [Member] |  |  |  |
Lessee Lease Description [Line Items] |  |  |  |
Lessee, Operating Lease, Term of Contract | 30 years |  | 30 years |
Area of Land | a | 147 |  | 147 |
Number Of Options To Renew Lease | Option | 2 |  | 2 |
Lessee, Operating Lease, Renewal Term | 15 years |  | 15 years |

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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
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