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Restructuring and Other Items (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Restructuring and Other Items [Abstract]    
Increase in contingent consideration liability   $ 0.2
Restructuring and related charges:    
Impairments and asset write-offs 0 0.2
Other restructuring charges 0 0.2
Total restructuring and related charges 0 0.4
Development income (0.3) 0
Acquisition-related contingencies 0 0.2
Foreign exchange and other 0.5 (0.8)
Total restructuring and other items 0.2 (0.2)
Severance and benefits [Member]
   
Restructuring Reserve [Roll Forward]    
Balance, beginning of period 2.8  
Cash payments (1.5)  
Balance, end of period $ 1.3