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Fair Value Measurements (Tables)
3 Months Ended
Dec. 31, 2013
Fair Value Disclosures [Abstract]  
Fair Value of Assets Measured on Recurring Basis
The following tables provide information by level for financial assets that are measured at fair value on a recurring basis (in thousands):
 
 
 
Fair Value Measurements at
December 31, 2013 using:
 
Total carrying
value at
December 31, 2013
 
Quoted price in
active markets
(Level 1)
 
Significant other
observable inputs
(Level 2)
 
Significant
unobservable inputs
(Level 3)
Cash equivalents:
 
 
 
 
 
 
 
Money market
$
10,614

 
$
10,614

 
$

 
$

Available-for-sale marketable securities:
 
 
 
 
 
 
 
Corporate bonds
37,047

 

 
37,047

 

Certificates of deposit
12,735

 

 
12,735

 

Government municipal bonds
7,542

 

 
7,542

 

Total cash equivalents and marketable securities
measured at fair value
$
67,938

 
$
10,614

 
$
57,324

 
$

 
 
 
Fair Value Measurements at
September 30, 2013 using:
 
Total carrying
value at
September 30, 2013
 
Quoted price in
active markets
(Level 1)
 
Significant other
observable inputs
(Level 2)
 
Significant
unobservable inputs
(Level 3)
Cash equivalents:
 
 
 
 
 
 
 
Money market
$
3,957

 
$
3,957

 
$

 
$

Available-for-sale marketable securities:
 
 
 
 
 
 
 
Corporate bonds
41,574

 

 
41,574

 

Certificates of deposit
12,707

 

 
12,707

 

Government municipal bonds
10,114

 

 
10,114

 

Total cash equivalents and marketable securities
measured at fair value
$
68,352

 
$
3,957

 
$
64,395

 
$