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Commitments And Contingencies (Tables)
12 Months Ended
Dec. 31, 2011
Commitments And Contingencies [Abstract]  
Operating Leases Minimum Annual Payments

(in millions of U.S. dollars)

      

2012

   $ 19.1   

2013

     15.1   

2014

     14.0   

2015

     12.2   

2016

     9.7   

Thereafter

     20.5   
  

 

 

 

Total

   $ 90.6   
  

 

 

 
Schedule Of Operating Lease Expenses

(in millions of U.S. dollars)

      

Year ended December 31, 2011

   $ 25.9   

Year ended January 1, 2011

   $ 20.3   

Year ended January 2, 2010

     19.9   
  

 

 

 

Total

   $ 66.1