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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2016
Inventories |
Schedule of inventories |
| December 31, |  | December 31,
| 2016 |  | 2015
| (in millions)
LIFO inventories - cost on the FIFO method | $ | 1,219.0 |  | $ | 1,157.5
LIFO inventory valuation reserve adjustment |  | 51.5 |  |  | 43.0
Lower of cost or market adjustment |  | (42.6) |  |  | (69.1)
Cost on FIFO method lower (higher) than LIFO value |  | 8.9 |  |  | (26.1)
Inventories - stated on LIFO method |  | 1,227.9 |  |  | 1,131.4
Inventories - stated on FIFO method |  | 304.7 |  |  | 304.6
| $ | 1,532.6 |  | $ | 1,436.0
Schedule of changes in the LIFO valuation reserve and impact of LIFO liquidations |
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
| (in millions)
LIFO inventory valuation reserve adjustment (income) charge | $ | (8.5) |  | $ | (186.1) |  | $ | 54.5
Liquidation of LIFO inventory quantities that increased cost of sales |  | ** |  | $ | 38.7 |  |  | **
** Insignificant liquidations of LIFO inventory quantities.

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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