Goodwill and Other Intangible Assets - Narrative (Details) $ in Millions	Mar. 31, 2019 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	$ 26.7
Finite-Lived Intangible Assets, Amortization Expense, Year One	34.3
Finite-Lived Intangible Assets, Amortization Expense, Year Two	31.8
Finite-Lived Intangible Assets, Amortization Expense, Year Three	28.6
Finite-Lived Intangible Assets, Amortization Expense, Year Four	23.6
Finite-Lived Intangible Assets, Amortization Expense, Year Five	23.0
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	$ 163.4