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Share-Based Compensation (Tables)
3 Months Ended
Jun. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-based compensation expense
The following table presents the details of the Company's share-based compensation expense (amounts in thousands):
 
Three Months Ended
 
 
June 30,
 
 
2013
 
2012
 
Cost of sales
$
1,969

(1) 
$
1,310

(1) 
Research and development
5,690

 
4,032

 
Selling, general and administrative
4,997

 
4,644

 
Pre-tax effect of share-based compensation
12,656

 
9,986

 
Income tax benefit
1,402

 
1,322

 
Net income effect of share-based compensation
$
11,254

 
$
8,664