Leased Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Schedule of operating and finance lease assets and liabilities

Leases	Balance Sheet Location	December 31, 2019		December 31, 2018
Assets
Operating	Operating lease assets	$	200,752	$	152,554
Finance	Property, plant and equipment, net	10,443		10,683
Total leased assets		$	211,195	$	163,237
Liabilities
Operating	Current operating lease liabilities	$	36,060	$	35,208
	Noncurrent operating lease liabilities	177,711		125,294
Finance	Accounts payable and accrued liabilities	2,879		2,708
	Other noncurrent liabilities	7,927		7,054
Total lease liabilities		$	224,577	$	170,264

Schedule of components of lease expense

	Years Ended December 31,
Lease Cost	2019			2018			2017
Operating lease expense	$	48,503		$	43,727		$	41,676
Finance lease expense
Amortization of leased assets	3,372			2,697			2,295
Interest on lease liabilities	700			527			465
Variable lease expense	23,188			21,864			20,838
Sublease income	(1,948		)	(1,735		)	(736		)
Total expense	$	73,815		$	67,080		$	64,538

Schedule of future payments of finance lease liabilities

Future Lease Payments	Operating Leases		Finance Leases		Total
2020	$	47,632	$	3,525	$	51,157
2021	42,244		3,133		45,377
2022	33,945		2,560		36,505
2023	27,122		1,899		29,021
2024	23,165		1,042		24,207
Thereafter	97,867		277		98,144
Total	271,975		12,436		284,411
Less: present value discount	58,204		1,630		59,834
Lease liability	$	213,771	$	10,806	$	224,577

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
2020	$	47,632	$	3,525	$	51,157
2021	42,244		3,133		45,377
2022	33,945		2,560		36,505
2023	27,122		1,899		29,021
2024	23,165		1,042		24,207
Thereafter	97,867		277		98,144
Total	271,975		12,436		284,411
Less: present value discount	58,204		1,630		59,834
Lease liability	$	213,771	$	10,806	$	224,577

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

At December 31, 2019, there were no operating leases signed but not yet commenced.

Lease Term and Discount Rate	December 31, 2019	December 31, 2018
Weighted-average remaining lease term
Operating leases	7.7 years	7.2 years
Finance leases	3.9 years	4.1 years
Weighted-average discount rate
Operating leases	6.1%	4.5%
Finance leases	6.8%	6.2%

Schedule of supplemental cash flow information

	Years Ended December 31,
Cash Flow Information	2019		2018		2017
Operating cash outflows - operating leases	$	44,252	$	40,599	$	39,192
Operating cash outflows - finance leases	$	700	$	527	$	465
Financing cash outflows - finance leases	$	3,096	$	2,564	$	2,185
Leased assets obtained in exchange for new lease obligations
Operating leases	$	87,160	$	36,260	$	33,788
Finance leases	$	4,072	$	5,715	$	3,325