Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Components of Lease Expense

The components of lease expense were as follows:

(in thousands)	Three Months Ended June 30, 2019			Six Months Ended June 30, 2019
Operating lease cost	$	24,279		$	49,289
Short-term and month-to-month lease cost	4,960			9,773
Variable lease cost	5,606			9,962
Sublease income	(5,041		)	(9,693		)
Total net lease cost	$	29,804		$	59,331

Supplemental Cash Flow And Balance Sheet Information Related To Leases

Supplemental information related to leases was as follows:

(in thousands)	Six Months Ended June 30, 2019
Cash Flow Information:
Operating cash flows from operating leases (payments)	$	56,845
Right-of-use assets obtained in exchange for new operating lease liabilities (noncash)	33,263
	As of June 30, 2019
Balance Sheet Information:
Lease right-of-use assets	$	361,603
Current lease liabilities	$	80,628
Noncurrent lease liabilities	323,466
Total lease liabilities	$	404,094
Weighted average remaining lease term (years)	6.8
Weighted average discount rate	4.0		%

Maturities of Operating Lease Liabilities

Maturities of lease liabilities were as follows:

(in thousands)	June 30, 2019
2019	$	47,463
2020	90,945
2021	72,940
2022	57,898
2023	49,627
Thereafter	144,935
Total payments	463,808
Less: Imputed interest	(59,714		)
Total	$	404,094

Schedule of Future Minimum Rental Payments for Operating Leases

At December 31, 2018, future minimum rental payments under noncancelable operating leases approximate the following:

(in thousands)	December 31, 2018
2019	$	101,009
2020	84,945
2021	72,031
2022	53,709
2023	47,091
Thereafter	115,948
	$	474,733