Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Textual (Details)

v2.4.0.8
Fair Value Measurements - Textual (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Percentage Of Increase Decrease In Discount Rate 1.00%  
Change in contingent consideration on discount rates increase $ 1.7  
Percentage Of Increase Decrease In Future Sales 10.00%  
Decrease of estimated future sales in amount 0.7  
Contingent consideration 71.6 20.1
Accrued Liabilities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contingent consideration 28.0 5.1
Other Noncurrent Liabilities [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Contingent consideration $ 43.6 $ 15.0
Minimum [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Discount rates related to consideration 6.00%  
Maximum [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Discount rates related to consideration 27.00%