XML 16 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill and Other Assets (Tables)
 12 Months Ended
Dec. 31, 2011
Goodwill and Other Assets [Abstract]  
Schedule of Goodwill
The changes in carrying amounts of goodwill within the Company’s DNA and DI segments are summarized as follows:
 
DNA
 
DI
 
Total
 
 
 
 
 
 
Goodwill
$
112,120

 
$
390,847

 
$
502,967

Accumulated impairment losses
(13,171
)
 
(38,859
)
 
(52,030
)
Balance at January 1, 2010
$
98,949

 
$
351,988

 
$
450,937

Impairment loss
—

 
(168,714
)
 
(168,714
)
Tax benefit (note 4)
—

 
(3,922
)
 
(3,922
)
Currency translation adjustment
43

 
(8,946
)
 
(8,903
)
Goodwill
112,163

 
377,979

 
490,142

Accumulated impairment losses
(13,171
)
 
(207,573
)
 
(220,744
)
Balance at December 31, 2010
$
98,992

 
$
170,406

 
$
269,398

Currency translation adjustment
(50
)
 
(16,285
)
 
(16,335
)
Goodwill
112,113

 
361,694

 
473,807

Accumulated impairment losses
(13,171
)
 
(207,573
)
 
(220,744
)
Balance at December 31, 2011
$
98,942

 
$
154,121

 
$
253,063