XML 30 R18.htm IDEA: XBRL DOCUMENT v2.4.0.6
Marketable Securities (Tables)
 6 Months Ended
Sep. 29, 2012
Marketable Securities [Abstract]  
Schedule Of Available-for-sale Securities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Estimated

 

 

 

Gross

 

Gross

 

Fair Value

 

Amortized

 

Unrealized

 

Unrealized

 

(Net Carrying

 

Cost

 

Gains

 

Losses

 

Amount)

Corporate debt securities

$
29,965 

 

$
17 

 

$
(3)

 

$
29,979 

U.S. Treasury securities

 
16,729 

 

 
2 

 

 
(1)

 

 
16,730 

Agency discount notes

 
8,503 

 

 
1 

 

 

 -

 

 
8,504 

Commercial paper

 
11,509 

 

 
9 

 

 

 -

 

 
11,518 

Total securities

$
66,706 

 

$
29 

 

$
(4)

 

$
66,731 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Estimated

 

 

 

Gross

 

Gross

 

Fair Value

 

Amortized

 

Unrealized

 

Unrealized

 

(Net Carrying

 

Cost

 

Gains

 

Losses

 

Amount)

Corporate debt securities

$
48,011 

 

$
33 

 

$
(19)

 

$
48,025 

U.S. Treasury securities

 
30,264 

 

 
1 

 

 
(4)

 

 
30,261 

Agency discount notes

 
16,789 

 

 
8 

 

 
(1)

 

 
16,796 

Commercial paper

 
23,719 

 

 
5 

 

 
(15)

 

 
23,709 

Total securities

$
118,783 

 

$
47 

 

$
(39)

 

$
118,791