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Fair Values of Financial Instruments Schedule of Fair Values Of Financial Instruments by Balance Sheet Grouping (Tables)
9 Months Ended
Sep. 30, 2012
Schedule of Fair Value of Financial Instruments on the Consolidated Balance Sheets [Abstract]  
Schedule of Fair Values Of Financial Instruments by Balance Sheet Grouping [Table Text Block]
 
 
September 30, 2012
 
December 31, 2011
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
 
 
 
(in thousands)
 
 
Assets
 
 
 
 
 
 
 
Cash and cash equivalents
$
91,474

 
$
91,474

 
$
133,086

 
$
133,086

Foreign exchange forwards
57

 
57

 
241

 
241

 
 
 
 
 
 
 
 
Liabilities
 
 
 
 
 
 
 
2011 credit facility
 
 
 
 
 
 
 
USD denominated term loan
$
281,250

 
$
278,963

 
$
292,502

 
$
296,856

Multicurrency revolving line of credit
140,000

 
138,676

 
160,000

 
163,269

Foreign exchange forwards
103

 
103

 
222

 
222

Interest rate swaps
2,697

 
2,697