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Financial Instruments (Details 3) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2013
BRAE
Dec. 31, 2012
BRAE
Dec. 31, 2011
BRAE
Apr. 30, 2010
BRAE
Dec. 31, 2013
Tekmar
Dec. 31, 2012
Tekmar
Dec. 31, 2013
Contingent consideration
Reconciliation of changes in fair value of all financial assets and liabilities              
Balance at the beginning of the period   $ 0.2 $ 1.1       $ 5.2
Purchases, sales, settlements, net             (1.2)
Total realized and unrealized (gains) losses included in Net earnings adjustments             0.8
Total realized and unrealized (gains) losses included in Comprehensive income             (0.4)
Balance at the ending of the period   0.2 1.1       4.4
Contingent liability of the acquisition date fair value       1.9   5.1  
Contingent liability 0         0  
Contingent liability in case of complete achievement of performance metrics           8.2  
Portion of contingent consideration paid on achievement of performance metrics         1.2    
Increase in fair value of contingent liability based on performance metrics achieved         $ 1.0