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v3.21.1

Warranty (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2013 | Jan. 31, 2021 | Jan. 31, 2020
Warranty [Line Items] |  |  |
Product warranty period | 10 years |  |
Warranty claim activity |  |  |
Beginning accrued warranty balance |  | $ 800 | $ 700
Provision |  | 380 | 570
Benefits from prior years |  | (325) | (145)
Costs incurred |  | (155) | (325)
Ending accrued warranty balance |  | $ 700 | $ 800
Minimum [Member] |  |  |
Warranty [Line Items] |  |  |
Product warranty period |  | 10 years |
Maximum [Member] |  |  |
Warranty [Line Items] |  |  |
Product warranty period |  | 10 years |

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: 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) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(5) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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