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CASH, CASH EQUIVALENTS, RESTRICTED CASH AND SHORT-TERM INVESTMENTS (Tables)
 12 Months Ended
Sep. 30, 2017
Cash and Cash Equivalents [Abstract]  
Cash, cash equivalents and short-term investments [Table Text Block]
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.