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Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill [Table Text Block]
The following table summarizes the changes in the Company's carrying value of goodwill by reporting segment (see Note 12) during the nine months ended September 30, 2012:
 
December 31, 2011
 
 
 
 
 
September 30, 2012
 
Gross
Balance
 
Accumulated Impairment Losses
 
Additions
 
Translation and Other Adjustments
 
Gross
Balance
 
Accumulated Impairment Losses
 
 
 
 
 
 
 
 
 
 
 
 
GETS
$
50,720

 
$
(15,171
)
 
$
—

 
$
—

 
$
50,720

 
$
(15,171
)
PSS
24,715

 
(8,312
)
 
—

 
442

 
25,157

 
(8,312
)
MRI
15,805

 
(6,230
)
 
—

 
99

 
15,904

 
(6,230
)
Total goodwill
$
91,240

 
$
(29,713
)
 
$
—

 
$
541

 
$
91,781

 
$
(29,713
)
Other Intangible Assets [Table Text Block]
The following tables summarize the changes in the Company's carrying value of other intangible assets during the nine months ended September 30, 2012:
 
December 31, 2011
 
 
 
 
 
September 30, 2012
 
Gross
Balance
 
Accumulated Amortization
 
Additions
 
Amortization
 
Gross
Balance
 
Accumulated Amortization
 
 
 
 
 
 
 
 
 
 
 
 
Intangible assets subject to amortization:
 
 
 
 
 
 
 
 
 
 
 
Trademarks
$
100

 
$
(33
)
 
$
—

 
$
(25
)
 
$
100

 
$
(58
)
Developed technology
460

 
(92
)
 
—

 
(69
)
 
460

 
(161
)
Client relationships
11,960

 
(2,537
)
 
—

 
(792
)
 
11,960

 
(3,329
)
Non-compete
150

 
(46
)
 
—

 
(21
)
 
150

 
(67
)
Reacquired franchise rights
907

 
(111
)
 
65

 
(73
)
 
972

 
(184
)
Total intangible assets subject to amortization
13,577

 
(2,819
)
 
65

 
(980
)
 
13,642

 
(3,799
)
Indefinite-lived intangible assets:
 
 
 
 
 
 
 
 
 
 
 
Trademarks
7,265

 
—

 
—

 
—

 
7,265

 
—

Total other intangible assets
$
20,842

 
$
(2,819
)
 
$
65

 
$
(980
)
 
$
20,907

 
$
(3,799
)