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COMPREHENSIVE INCOME
6 Months Ended
Sep. 30, 2011
Statement of Income and Comprehensive Income [Abstract] 
Comprehensive Income [Text Block]
COMPREHENSIVE INCOME

The components of comprehensive income for the three and six months ended September 30, 2011 and 2010 are as follows:
 
 
Three Months Ended
 
Six Months Ended
 
 
September 30,
 
September 30,
(in thousands)
 
2011
 
2010
 
2011
 
2010
Net income
 
$
27,521

 
$
25,429

 
$
54,252

 
$
51,375

Unrealized gain (loss) on cash flow hedges, net of tax
 
2,768

 
(4,946
)
 
4,033

 
(4,014
)
Foreign currency translation gain (loss), net of tax
 
(1,059
)
 
1,024

 
(407
)
 
722

Unrealized gain (loss) on investments, net of tax
 
(220
)
 
42

 
(167
)
 
42

Comprehensive income
 
$
29,010

 
$
21,549

 
$
57,711

 
$
48,125