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Nature of Business and Significant Accounting Policies -Textual (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 01, 2018 USD ($) | Dec. 31, 2017 USD ($) | Oct. 01, 2017 USD ($) | Jul. 02, 2017 USD ($) | Apr. 01, 2018 USD ($) Segment | Apr. 02, 2017 USD ($) | Apr. 03, 2016 USD ($)
Number of reportable segments (segment) | Segment |  |  |  |  | 3 |  |
Number of Weeks in Fiscal Year |  |  |  |  | 364 days | 364 days | 371 days
Number of weeks in next fiscal year |  |  |  |  | 364 days |  |
Percentage of LIFO Inventory | 67.00% |  |  |  | 67.00% |  |
Percentage of FIFO inventory | 33.00% |  |  |  | 33.00% |  |
Goodwill impairment | $ | $ 39,116 | $ 0 | $ 0 | $ 0 | $ 39,116 | $ 0 | $ 0
Maximum [Member] |  |  |  |  |  |  |
Number of Weeks in Fiscal Year |  |  |  |  | 371 days |  |
Minimum [Member] |  |  |  |  |  |  |
Number of Weeks in Fiscal Year |  |  |  |  | 364 days |  |

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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 3: 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=98514028&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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