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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 28, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure | Schedule II—Valuation and Qualifying Accounts
|  |  |  | Col. C—Additions |  |  |  |
Column A Description |  | Col. B Balance at Beginning of Period |  | Charged to Costs & Expenses |  | Charged to Other Accounts- Describe |  | Col. D Deductions - Describe |  | Col. E Balance at End of Period
December 28, 2018 |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 536 |  |  | $ | 169 |  |  | $ | (2 | ) | (2) | $ | (111 | ) | (4) | $ | 592 |
Valuation allowance for deferred tax assets |  | $ | 36,480 |  |  | $ | — |  |  | $ | (170 | ) | (2) | $ | (1,971 | ) | (1)(4)(5) | $ | 34,339 |
December 29, 2017 |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 475 |  |  | $ | 194 |  |  | $ | — |  |  | $ | (133 | ) | (4) | $ | 536 |
Valuation allowance for deferred tax assets |  | $ | 35,391 |  |  | $ | 3,284 |  | (1) | $ | — |  |  | $ | (2,195 | ) | (4)(5) | $ | 36,480 |
December 30, 2016 |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 639 |  |  | $ | (90 | ) |  | $ | — |  |  | $ | (74 | ) | (4) | $ | 475 |
Valuation allowance for deferred tax assets |  | $ | 39,171 |  |  | $ | 641 |  | (1) | $ | (5,135 | ) | (2)(3) | $ | 714 |  | (5) | $ | 35,391 |
(1) | Valuation allowance recorded in the provision for income taxes for certain net operating losses and tax credits. The decrease in 2018 includes the impact of the divestiture of the AS&O Product Lines. The increase in 2017 includes the impact of the adoption of the Tax Reform Act, which increased the value of our state deferred tax assets to which a corresponding valuation allowance was recorded.
(2) | Includes foreign currency translation effect.
(3) | Amount represents measurement-period adjustments related to the acquisition of LRM.
(4) | Accounts written off.
(5) | Includes return to provision adjustments for prior years.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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