Commitments and Contingencies - Purchase Commitments (Details) $ in Millions	Sep. 30, 2019 USD ($)
Non-cancelable commitments
Other Commitments [Line Items]
Other commitment	$ 126.5
Non-cancellable contracts and purchase orders for inventory
Other Commitments [Line Items]
Other commitment	76.9
Non-cancelable IT-related commitments
Other Commitments [Line Items]
Other commitment	26.6
Non-cancelable China facility commitments
Other Commitments [Line Items]
Other commitment	19.7
Non-cancelable commitments, other
Other Commitments [Line Items]
Other commitment	$ 3.3