Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts Schedule II - Valuation and Qualifying Accounts

v2.4.0.8
Schedule II - Valuation and Qualifying Accounts Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2013
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS
(Dollars in Thousands)
Classifications
Balance at
beginning
of year
 
Charged
to cost 
and
expenses
 
Charged
to other
accounts
 
Deductions
 
Balance
at end 
of
year
Year ended December 31, 2013
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts and notes
$
8,117

 
$
5,092

 
$
5,861

 
$
(6,217
)
 
$
12,853

Allowance for obsolete rig materials and supplies
$
312

 
—

 
$
3,586

 
$
(453
)
 
$
3,445

Deferred tax valuation allowance
$
4,805

 
$
2,010

 
$
12

 
$
—

 
$
6,827

Year ended December 31, 2012
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts and notes
$
1,544

 
$
4,264

 
$
3,195

 
$
(886
)
 
$
8,117

Allowance for obsolete rig materials and supplies
$
316

 
—

 
$
—

 
$
(4
)
 
$
312

Deferred tax valuation allowance
$
6,467

 
$
(1,662
)
 
$
—

 
$
—

 
$
4,805

Year ended December 31, 2011
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts and notes
$
7,020

 
$
2,258

 
$
(2,034
)
 
$
(5,700
)
 
$
1,544

Allowance for obsolete rig materials and supplies
$
309

 
$
26

 
$
—

 
$
(19
)
 
$
316

Deferred tax valuation allowance
$
5,532

 
$
2,542

 
$
(1,607
)
 
$
—

 
$
6,467