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Inventories
12 Months Ended
Jan. 25, 2015
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories, consisting of material, material overhead, labor, and manufacturing overhead, are stated at the lower of cost (first-in, first-out) or market and consist of the following:
(in thousands)
January 25, 2015
 
January 26, 2014
Raw materials
$
1,624

 
$
1,971

Work in progress
36,759

 
45,508

Finished goods
35,285

 
12,788

Inventories
$
73,668

 
$
60,267



During the fourth quarter of fiscal year 2014, the Company reduced the cost basis of inventories by $15.0 million as a result of its strategic decision to reduce investments in the optical long-haul market which is included in “Cost of sales - lower of cost or market write down” in the consolidated statements of operations.