Leases - Schedule of Consolidated Statement Of Operation Related To Leases (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Operating lease cost:
Operating lease cost	$ 48.2	[1]
Variable lease costs	6.0	[2]
Finance lease cost:
Amortization of leased assets	1.1
Interest on lease liabilities	$ 0.2

[1] Includes short-term leases, which are immaterial.

[2] Consists primarily of additional payments for non-lease components, such as maintenance costs, payments of taxes and additional rent based on a level of the Company’s retail store sales.