Summary of Significant Accounting Policies New Accounting Standards - Schedule of Impact of Adoption of New Lease Standard (Details) - Adjustments for New Accounting Pronouncement [Member] $ in Millions	Mar. 31, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other Assets	$ 20.1
Other Accrued Expense	4.6
Other Liabilities	$ 15.5