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Inventories | 3 Months Ended
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Mar. 31, 2018
Inventory Disclosure [Abstract] |
Inventories | Inventories A summary of inventories follows (in thousands):
| March 31, 2018 |  | December 30, 2017
Finished product | $ | 176,932 |  |  | $ | 171,277 |
Work in process | 107,910 |  |  | 101,540 |
Raw material | 32,648 |  |  | 33,173 |
Supplies and other | 55,631 |  |  | 52,193 |
| $ | 373,121 |  |  | $ | 358,183 |

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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