Merchandise Inventories	12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]
Merchandise Inventories	Merchandise InventoriesAt December 31, 2019 and 2018 we had inventory of $1,146 million and $1,274 million, of which $866.8 million and $1,023.1 million were valued under LIFO. If LIFO inventories had been valued on a current cost or FIFO basis, they would have been greater by $154.7 million and $146.5 million as of December 31, 2019 and 2018. At December 31, 2019 and 2018, included in our inventory was $37.4 million and $43.8 million in raw materials, $61.8 million and $67.3 million in work in process and the remainder was finished goods.

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI http://asc.fasb.org/topic&trid=2126998

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