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CASH, CASH EQUIVALENTS, RESTRICTED CASH AND SHORT-TERM INVESTMENTS
 12 Months Ended
Sep. 30, 2017
Cash and Cash Equivalents [Abstract]  
CASH AND CASH EQUIVALENTS
CASH, CASH EQUIVALENTS, RESTRICTED CASH AND SHORT-TERM INVESTMENTS
Cash equivalents consist of instruments with remaining maturities of three months or less at the date of purchase. In general, these investments are free of trading restrictions. We carry these investments at fair value, based on quoted market prices or other readily available market information.
Cash, cash equivalents, restricted cash and short-term investments consisted of the following as of September 30, 2017:
 
As of
(dollar amounts in thousands)
September 30, 2017

 
October 1, 2016

Current assets:
 
 
 
Cash
$
65,759

 
$
118,335

Cash equivalents (1):
 
 
 
Money market funds
232,069

 
152,961

Time deposits (3)
89,087

 
133,611

Commercial paper
5,495

 
19,000

Total cash and cash equivalents
$
392,410

 
$
423,907

Restricted Cash (1)
$
530

 
$
—

Total restricted cash
$
530

 
$
—

Short-term investments (1):
 
 
 
Time deposits (3)
$
120,000

 
$
124,000

Deposits (2)
96,000

 
—

Total short-term investments
$
216,000

 
$
124,000

Total cash, cash equivalents, restricted cash and short-term investments
$
608,940

 
$
547,907

(1)
Fair value approximates cost basis.
(2)
Represents deposits that require a notice period of three months for withdrawal.
(3)
Certain time deposits as at October 1, 2016 have been corrected from cash equivalents to short-term investments for comparative purposes.