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Borrowings (Components Of Debt) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Debt Instrument [Line Items]    
Total debt $ 894,936 $ 921,567
Less: Current portion of long-term debt (116,688) (133,899)
Total long-term debt 778,248 787,668
Senior Notes - 2007 [Member]
   
Debt Instrument [Line Items]    
Rate 6.40%  
Maturities start period 2017  
Maturities end period 2027  
Senior notes 500,000 500,000
Senior Notes - 2006 [Member]
   
Debt Instrument [Line Items]    
Rate 6.10%  
Maturities start period 2013  
Maturities end period 2016  
Senior notes 225,000 325,000
Revolver Borrowings [Member]
   
Debt Instrument [Line Items]    
Rate 1.77%  
Maturities 2016  
Senior notes 157,483 61,260
Bank Overdrafts And Other [Member]
   
Debt Instrument [Line Items]    
Rate 2.02%  
Maturities 2012  
Bank borrowings and overdrafts 1,488 136
Japanese Yen Note [Member]
   
Debt Instrument [Line Items]    
Senior notes   22,274
Deferred Realized Gains On Interest Rate Swaps [Member]
   
Debt Instrument [Line Items]    
Deferred realized gains on interest rate swaps $ 10,965 $ 12,897