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Inventories
 9 Months Ended
Mar. 04, 2017
Inventories [Abstract]  
Inventories, Net Inventories, net

(In millions)
March 4, 2017
 
May 28, 2016
Finished goods
$
123.4

 
$
102.1

Raw materials
32.3

 
26.1

Total
$
155.7

 
$
128.2


Inventories are valued at the lower of cost or market and include material, labor, and overhead. The inventories at our West Michigan manufacturing operations are valued using the last-in, first-out (LIFO) method, whereas inventories of certain other operations are valued using the first-in, first-out (FIFO) method