Contingencies (Details) $ in Millions	Jun. 30, 2018 USD ($)
Loss Contingencies [Line Items]
Loss contingencies, estimate of possible loss	$ 100.0
Damages from Product Defects
Loss Contingencies [Line Items]
Loss contingencies, estimate of possible loss	227.7
Indemnification Agreement
Loss Contingencies [Line Items]
Loss contingencies, estimate of possible loss	$ 162.7