Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts (Notes)

v2.4.0.6
Schedule II - Valuation and Qualifying Accounts (Notes)
12 Months Ended
Dec. 31, 2011
Valuation and Qualifying Accounts [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Col. A
 
Col. B
 
Col. C
 
Col. D
 
Col. E
 
 
Balance at
Beginning
of Period
 
Charged to
Costs and
Expenses
 
Charged to
Other Accounts
Described
 
Deductions
-Describe
 
Balance at
End of
Period
Year ended December 31, 2011
 
 
 
 
 
 
 
 
 
 
   Allowance for doubtful accounts
 
$
1,619

 
$
(217
)
 
$

 
$
183

(2) 
$
1,219

   Allowance for revenue adjustments
(1) 
377

 
1,951

 

 
2,044

(3) 
284

   Income tax valuation
 
335

 
13

 

 

 
348

 
 
2,331

 
1,747

 

 
2,227

 
1,851

Year ended December 31, 2010
 
 
 
 
 
 
 
 
 
 
   Allowance for doubtful accounts
 
$
1,457

 
$
(52
)
 
$

 
$
(214
)
(2) 
$
1,619

   Allowance for revenue adjustments
(1) 
462

 
1,589

 

 
1,674

(3) 
377

   Income tax valuation
 
459

 
(124
)
 

 

 
335

 
 
2,378

 
1,413

 

 
1,460

 
2,331

Year ended December 31, 2009
 
 
 
 
 
 
 
 
 
 
   Allowance for doubtful accounts
 
$
1,675

 
$
(60
)
 
$

 
$
158

(2) 
$
1,457

   Allowance for revenue adjustments
(1) 
856

 
2,390

 

 
2,784

(3) 
462

   Income tax valuation
 
276

 
183

 

 

 
459

 
 
2,807

 
2,513

 

 
2,942

 
2,378