Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Leased Assets [Line Items]
Option to extend lease term	7 years
Option to terminate lease term	1 year
Operating lease expense	$ 19.9	$ 16.6
Operating leases, not yet commenced, amount	$ 33.2
Minimum
Operating Leased Assets [Line Items]
Remaining lease terms	1 year
Operating leases, not yet commenced, term	1 year
Maximum
Operating Leased Assets [Line Items]
Remaining lease terms	10 years
Operating leases, not yet commenced, term	8 years