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Inventories
3 Months Ended
Jun. 30, 2012
Inventories [Abstract]  
Inventories

6.     Inventories

 

Inventories are comprised of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

June 30,

 

March 31,

 

2012

 

2012

Work in process

$

 61,109

 

$

 30,921

Finished goods

 

 35,681

 

 

 24,994

 

$

 96,790

 

$

 55,915

 

The increase in inventory balances at June 30, 2012, as compared to March 31, 2012, is primarily related to the expected increased demand for our products, and reflects planned inventory builds.