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Inventories - Narrative (Details) - USD ($) $ in Millions | Dec. 29, 2018 | Dec. 30, 2017
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Inventory Disclosure [Abstract] |  |
LIFO inventory amount | $ 18.8 | $ 26.5
FIFO cost of inventories | 91.8 | 111.0
Average cost basis inventories | 53.6 | 43.9
FIFO value of inventory consigned to others | $ 5.1 | $ 4.4

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- Definition Carrying amount as of the balance sheet date of FIFO value inventory owned by the entity but in the hands of a customer, typically a reseller. + References No definition available. + Details
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- Definition The amount of FIFO (first in first out) inventory present at the reporting date when inventory is also valued using different valuation methods. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
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Balance Type: | debit
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- Definition The amount of LIFO (last in first out) inventory present at the reporting date when inventory is also valued using different valuation methods. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
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- Definition The amount of weighted average cost inventory present at the reporting date when inventory is valued using different valuation methods. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
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