Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Statement of Cash Flows [Abstract]
Cash dividends declared, but not yet paid	$ 7.5	$ 6.5
Net noncash consideration for acquisition and sale of businesses	$ 19.7

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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