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Borrowing Facilities (Details)
In Millions, unless otherwise specified
 3 Months Ended 3 Months Ended
Mar. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Mar. 31, 2012
Thailand Subsidiary [Member]
USD ($)
Mar. 31, 2012
Thailand Subsidiary [Member]
THB
Mar. 31, 2012
Minimum [Member]
Mar. 31, 2012
Maximum [Member]
Mar. 31, 2012
LIBOR Plus [Member]
Minimum [Member]
Mar. 31, 2012
LIBOR Plus [Member]
Maximum [Member]
Mar. 31, 2012
Prime Rate Plus [Member]
Minimum [Member]
Mar. 31, 2012
Prime Rate Plus [Member]
Maximum [Member]
Line of Credit Facility [Line Items]                    
Revolving credit facility $ 100.0   $ 11.3 350.0            
U.S. revolving credit facility, length in years five                  
U.S. revolving credit facility, maturity date December 21, 2012                  
Possible increase to the borrowing capacity of U.S. credit agreement 100                  
Basis spread on variable rate             0.75% 1.75% 0.00% 0.25%
U.S. Credit facility, commitment fee         0.15% 0.35%        
U.S. Credit facility, available for future borrowings $ 100 $ 100                
U.S. Credit agreement, secured by percentage of stock of the Company's domestic subsidiaries 100.00%                  
U.S. Credit agreement, secured by percentage of voting capital stock of each direct foreign subsidiary 65.00%