Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

Components of Lease Expense

The components of lease expense for the three months ended March 31, 2019 were as follows:

	Three Months Ended March 31, 2019
Operating lease cost	$	24.6
Variable lease cost		9.3
Short-term lease cost		0.4
Sublease income		(0.3	)
Total lease cost	$	34.0

Schedule of Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases for the three months ended March 31, 2019 was as follows:

	Three Months Ended March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	22.0
Right-of-use assets obtained in exchange for lease obligations
Operating leases	$	14.1

Schedule of Future Lease Payments Under Operating Leases

As of March 31, 2019, the future lease payments under operating leases were as follows:

Year Ended December 31	Operating Leases
2019 (excluding the three months ended March 31, 2019)	$	60.2
2020		62.2
2021		45.1
2022		30.2
2023		22.5
2024 and thereafter		31.9
Total lease payments		252.1
Less: Amount representing interest		36.4
Present value of lease obligation	$	215.7
Weighted average remaining lease term	4.5 years
Weighted average discount rate		6.7	%

Future Minimum Rental Commitments Under Operating Lease

As of December 31, 2018, future minimum rental commitments under operating leases were as follows:

Year Ended December 31	Operating Leases
2019	$	77.8
2020		56.9
2021		41.3
2022		27.7
2023		21.4
2024 and thereafter		33.4
	$	258.5