Leased Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Schedule of operating and finance lease assets and liabilities

Leases	Balance Sheet Location	December 31, 2020		December 31, 2019
Assets
Operating	Operating lease assets	$	201,916	$	200,752
Finance	Property, plant and equipment, net	23,973		10,443
Total leased assets		$	225,889	$	211,195
Liabilities
Operating	Current operating lease liabilities	$	39,182	$	36,060
	Noncurrent operating lease liabilities	180,292		177,711
Finance	Accounts payable and accrued liabilities	4,714		2,879
	Other noncurrent liabilities	18,862		7,927
Total lease liabilities		$	243,050	$	224,577

Schedule of components of lease expense

	Years Ended December 31,
Lease Cost	2020		2019		2018
Operating lease expense	$	54,718	$	48,503	$	43,727
Finance lease expense
Amortization of leased assets	3,792		3,372		2,697
Interest on lease liabilities	949		700		527
Variable lease expense	21,413		23,188		21,864
Sublease income	(979)		(1,948)		(1,735)
Total expense	$	79,893	$	73,815	$	67,080

Schedule of future payments of finance lease liabilities

Future Lease Payments	Operating Leases		Finance Leases		Total
2021	$	52,010	$	6,206	$	58,216
2022	42,934		5,642		48,576
2023	35,758		4,899		40,657
2024	32,127		3,972		36,099
2025	25,471		2,853		28,324
Thereafter	91,000		5,074		96,074
Total	279,300		28,646		307,946
Less: present value discount	59,826		5,070		64,896
Lease liability	$	219,474	$	23,576	$	243,050

Schedule of future payments of operating lease liabilities

Operating lease expense includes immaterial amounts related to leases with terms of 12 months or less.

Future Lease Payments	Operating Leases		Finance Leases		Total
2021	$	52,010	$	6,206	$	58,216
2022	42,934		5,642		48,576
2023	35,758		4,899		40,657
2024	32,127		3,972		36,099
2025	25,471		2,853		28,324
Thereafter	91,000		5,074		96,074
Total	279,300		28,646		307,946
Less: present value discount	59,826		5,070		64,896
Lease liability	$	219,474	$	23,576	$	243,050

Schedule of weighted-average remaining lease terms and weighted-average discount rates

Lease Term and Discount Rate	December 31, 2020	December 31, 2019
Weighted-average remaining lease term
Operating leases	7.2 years	7.7 years
Finance leases	5.6 years	3.9 years
Weighted-average discount rate
Operating leases	7.1%	6.1%
Finance leases	7.1%	6.8%

Schedule of supplemental cash flow information

	Years Ended December 31,
Cash Flow Information	2020		2019		2018
Operating cash outflows - operating leases	$	52,565	$	44,252	$	40,599
Operating cash outflows - finance leases	$	949	$	700	$	527
Financing cash outflows - finance leases	$	4,223	$	3,096	$	2,564
Leased assets obtained in exchange for new lease obligations
Operating leases	$	38,641	$	87,160	$	36,260
Finance leases	$	17,741	$	4,072	$	5,715