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Product Warranties - Narratives (Details) - USD ($) $ in Millions |  | 6 Months Ended
--- | --- | ---
Apr. 23, 2018 | Jun. 30, 2018
Guarantor Obligations |  |
Warranty expense |  | $ 3.5
Commitment and Contingencies |  |
Guarantor Obligations |  |
Warranty expense | $ 3.8 |

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- Definition Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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- Details
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