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Inventories (Tables)
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventories by Major Classification
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