Business Overview - Narrative (Details) - USD ($) $ in Millions	Mar. 27, 2020	Jan. 01, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for accounts, unbilled and financing receivables	$ 115.8		$ 82.1
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of accounting standard		$ (31.3)
Accounting Standards Update 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for accounts, unbilled and financing receivables		$ 40.0