XML 52 R22.htm IDEA: XBRL DOCUMENT v3.5.0.2
CASH, CASH EQUIVALENTS, AND INVESTMENTS (Tables)
 6 Months Ended
Sep. 30, 2016
CASH, CASH EQUIVALENTS AND INVESTMENTS [Abstract]  
Cash, Cash Equivalents, and Investments
The following tables summarize the Company’s cash and available-for-sale securities’ adjusted cost, gross unrealized gains, gross unrealized losses, and fair value by significant investment category recorded as cash and cash equivalents, short-term, or long-term investments as of September 30, 2016 and March 31, 2016 (in thousands):
September 30, 2016
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
 
Cash & Cash Equivalents
 
Short-term investments (due in 1 year or less)
 
Long-term investments (due in 1 to 3 years)
Cash
 
$
236,361

 
$
—

 
$
—

 
$
236,361

 
$
236,361

 
$
—

 
$
—

Level 1:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mutual Funds
 
11,399

 
198

 
(53
)
 
11,544

 
—

 
11,544

 
—

US Treasury Notes
 
20,534

 
24

 
(4
)
 
20,554

 
—

 
11,974

 
8,580

Subtotal
 
31,933

 
222

 
(57
)
 
32,098

 
—

 
23,518

 
8,580

Level 2:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Government Agency Securities
 
55,039

 
29

 
(11
)
 
55,057

 
—

 
12,239

 
42,818

Commercial Paper
 
58,506

 
—

 
—

 
58,506

 
8,094

 
50,412

 
—

Corporate Bonds
 
148,547

 
216

 
(66
)
 
148,697

 
—

 
73,110

 
75,587

Certificates of Deposits ("CDs")
 
22,916

 
—

 
—

 
22,916

 
—

 
19,206

 
3,710

Subtotal
 
285,008

 
245

 
(77
)
 
285,176

 
8,094

 
154,967

 
122,115

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total cash, cash equivalents
and investments measured at fair value
 
$
553,302

 
$
467

 
$
(134
)
 
$
553,635

 
$
244,455

 
$
178,485

 
$
130,695


March 31, 2016
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
 
Cash & Cash Equivalents
 
Short-term investments (due in 1 year or less)
 
Long-term investments (due in 1 to 3 years)
Cash
 
$
232,600

 
$
—

 
$
—

 
$
232,600

 
$
232,600

 
$
—

 
$
—

Level 1:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mutual Funds
 
10,025

 
32

 
(548
)
 
9,509

 
—

 
9,509

 
—

US Treasury Notes
 
25,051

 
21

 
(9
)
 
25,063

 
—

 
12,993

 
12,070

Subtotal
 
35,076

 
53

 
(557
)
 
34,572

 
—

 
22,502

 
12,070

Level 2:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Government Agency Securities
 
72,698

 
24

 
(20
)
 
72,702

 
—

 
10,521

 
62,181

Commercial Paper
 
37,628

 
—

 
—

 
37,628

 
650

 
36,978

 
—

Corporate Bonds
 
147,662

 
234

 
(97
)
 
147,799

 
2,016

 
77,115

 
68,668

Certificates of Deposits ("CDs")
 
15,639

 
—

 
—

 
15,639

 
—

 
12,935

 
2,704

Subtotal
 
273,627

 
258

 
(117
)
 
273,768

 
2,666

 
137,549

 
133,553

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total cash, cash equivalents
and investments measured at fair value
 
$
541,303

 
$
311

 
$
(674
)
 
$
540,940

 
$
235,266

 
$
160,051

 
$
145,623