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Fair Value Measurements - Asset and Liabilities Measured at Fair Value (Details) - Fair Value, Measurements, Recurring
$ in Millions
Jun. 30, 2016
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Cash equivalents $ 12.3
Contingent consideration 5.0
Level 1  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Cash equivalents 12.3
Contingent consideration 0.0
Level 2  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Cash equivalents 0.0
Contingent consideration 0.0
Level 3  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Cash equivalents 0.0
Contingent consideration $ 5.0