Condensed Consolidated Statements of Earnings and Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Loss from disposal of discontinued businesses, net of tax expense	$ 0.0	$ 0.0	$ 0.0	$ 1.7

Amount of tax expense (benefit) on gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration