Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Cash Flows [Abstract]
Beneficial interest obtained in exchange for accounts receivable sold		$ 369.8	$ 338.8
Cash paid for acquisition of non-controlling interest	$ 32.7
Cash dividends declared, but not yet paid	$ 6.5	$ 4.0	$ 4.0
Avinode Group AB
Non-controlling interest	30.00%