Income Taxes - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income tax expense	$ 7.6	$ 7.9	$ 20.9	$ 25.4
Excess tax benefit from completion of tax audit		$ 0.6		$ 0.6
Excess tax benefit from stock compensation activity	$ 0.7		$ 2.3
Effective tax rate	23.10%	21.80%	23.00%	24.40%
Deferred tax payments under the CARES Act			$ 3.3