Inventories

Inventories by major classification are as follows:



(Amounts in millions)	March 31, 2018			December 30, 2017
Finished goods	$	577.3		$	541.9
Work in progress	50.7			49.3
Raw materials	126.5			122.7
Total FIFO value	754.5			713.9
Excess of current cost over LIFO cost	(75.7		)	(75.1		)
Total inventories – net	$	678.8		$	638.8

Inventories accounted for using the first-in, first-out (“FIFO”) method approximated 60% and 61% of total inventories as of March 31, 2018, and December 30, 2017, respectively. The company accounts for its non-U.S. inventory on the FIFO method. As of March 31, 2018, approximately 32% of the company’s U.S. inventory was accounted for using the FIFO method and 68% was accounted for using the last-in, first-out (“LIFO”) method. There were no LIFO inventory liquidations in the three months ended March 31, 2018, or April 1, 2017.