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Borrowing Facilities (Details)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2011
USD ($)
Dec. 31, 2011
Thailand Subsidiary [Member]
USD ($)
Dec. 31, 2011
Thailand Subsidiary [Member]
THB
Dec. 31, 2011
Minimum [Member]
Dec. 31, 2011
Maximum [Member]
Dec. 31, 2011
LIBOR Plus [Member]
Minimum [Member]
Dec. 31, 2011
LIBOR Plus [Member]
Maximum [Member]
Dec. 31, 2011
Prime Rate Plus [Member]
Minimum [Member]
Dec. 31, 2011
Prime Rate Plus [Member]
Maximum [Member]
Line of Credit Facility [Line Items]                  
Revolving credit facility $ 100.0 $ 11.1 350.0            
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                
U.S. Credit facility, frequency of payments quarterly                
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 $ 100.0                
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%