Inventories (Tables)

12 Months Ended

Dec. 31, 2018

Inventories

Schedule of inventories

	December 31,		December 31,
	2018		2017
	(in millions)
LIFO inventories - cost on FIFO method	$	1,737.3	$	1,390.0
Cost on FIFO method higher than LIFO value		(293.6)		(21.8)
Inventories - stated on LIFO method		1,443.7		1,368.2
Inventories - stated on FIFO method		373.4		357.8
	$	1,817.1	$	1,726.0

Schedule of changes in the LIFO valuation reserve and impact of LIFO liquidations

	Year Ended December 31,
	2018		2017		2016
	(in millions)
LIFO inventory valuation reserve adjustment charge (income)	$	271.8	$	73.3	$	(8.5)
Liquidation of LIFO inventory quantities that increased cost of sales		**		**		**

** Insignificant liquidations of LIFO inventory quantities.