Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019
Statement of Cash Flows [Abstract]
Cash dividends declared, but not yet paid	$ 6.3	$ 6.5
Net noncash consideration for acquisition and sale of businesses	$ 2.6

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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