BALANCE SHEET COMPONENTS: (Tables)
6 Months Ended
May 31, 2013
Balance Sheet Related Disclosures [Abstract]  
Schedule of short-term investments
 
As of
 
May 31, 2013
 
November 30, 2012
Short-term investments:
 
 
 
Trading securities
$
4,196

 
$
5,709

Available-for-sale securities
45

 
44

Held-to-maturity securities
8,557

 
8,297

Cost method investments
1,744

 
1,883

 
$
14,542

 
$
15,933

Schedule of Accounts Receivable
 
As of
 
May 31, 2013
 
November 30, 2012
Accounts receivable, net:
 
 
 
Accounts receivable
$
1,278,954

 
$
1,461,796

Less: Allowance for doubtful accounts
(19,247
)
 
(18,229
)
Less: Allowance for sales returns
(36,495
)
 
(42,480
)
 
$
1,223,212

 
$
1,401,087

Property, Plant and Equipment
 
As of
 
May 31, 2013
 
November 30, 2012
Property and equipment, net:
 
 
 
Land
$
19,320

 
$
18,699

Equipment and computers
101,947

 
101,994

Furniture and fixtures
20,569

 
21,373

Buildings and leasehold improvements
103,154

 
101,848

Construction in progress
1,729

 
1,804

Total property and equipment, gross
246,719

 
245,718

Less: Accumulated depreciation
(126,021
)
 
(122,795
)
 
$
120,698

 
$
122,923

Schedule of goodwill
Goodwill:
 
Distribution
 
GBS
 
Total
Balance as of November 30, 2012
$
105,860

 
$
83,228

 
$
189,088

Additions from acquisitions, net of adjustments
6,088

 
123

 
6,211

Foreign exchange translation
(5,026
)
 
(1,229
)
 
(6,255
)
Balance as of May 31, 2013
$
106,922

 
$
82,122

 
$
189,044

Schedule of intangible assets, net
Intangible assets, net:
 
As of May 31, 2013
 
As of November 30, 2012
 
Gross
Amounts
 
Accumulated
Amortization
 
Net
Amounts
 
Gross
Amounts
 
Accumulated
Amortization
 
Net
Amounts
Vendor lists
$
36,940

 
$
(29,473
)
 
$
7,467

 
$
36,945

 
$
(28,684
)
 
$
8,261

Customer lists
51,883

 
(32,362
)
 
19,521

 
50,406

 
(30,360
)
 
20,046

Other intangible assets
4,888

 
(4,361
)
 
527

 
4,962

 
(4,220
)
 
742

 
$
93,711

 
$
(66,196
)
 
$
27,515

 
$
92,313

 
$
(63,264
)
 
$
29,049