v2.4.0.8
Significant Unobservable Inputs Used in Fair Value Measurements (Details) (Contingent consideration liabilities, Fair Value, Inputs, Level 3)
Mar. 31, 2014
Dec. 31, 2013
Contingent consideration liabilities | Fair Value, Inputs, Level 3
   
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation    
Weighted Average, Probability of achieving payout targets 96.40% 70.60%
Weighted Average, Discount rate 6.70% 6.50%