Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Leased Assets [Line Items]
Option to extend lease term	10 years
Option to terminate lease term	1 year
Operating lease expense	$ 21.5	$ 19.9
Operating leases, not yet commenced, amount	$ 4.0
Minimum
Operating Leased Assets [Line Items]
Remaining lease terms	1 month
Operating leases, not yet commenced, term	1 year
Maximum
Operating Leased Assets [Line Items]
Remaining lease terms	9 years
Operating leases, not yet commenced, term	8 years