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Restructuring and Asset Impairment - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Apr. 01, 2017 | Mar. 26, 2016 | Dec. 31, 2016 | Dec. 26, 2015
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance and retention costs liability | $ 3,451 | $ 2,521 | $ 3,680 | $ 2,969
Impairment charges | 100 |  |  |
Gain on restructuring | 400 |  |  |
Accelerated depreciation |  | 200 |  |
Accrued Compensation |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance and retention costs liability | 3,500 | 2,400 |  |
Other Long-Term Liabilities |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance and retention costs liability | $ 0 | $ 0 |  |

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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