Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2022

Supplemental Cash Flow Elements [Abstract]

Net Effects of Changes in Operating Assets and Liabilities, Net, on Cash Flows from Operating Activities

The net effects of changes in assets and liabilities, net of non-cash transactions, on cash flows from operating activities are as follows (in thousands):


	Year Ended December 31,
	2022		2021		2020
Accounts and notes receivable	$	(349,485)	$	(248,452)	$	71,058
Contract assets	(311,175)		(331,946)		153,832
Inventories	(19,333)		1,418		9,860
Prepaid expenses and other current assets	(15,615)		(6,503)		83,518
Accounts payable and accrued expenses and other non-current liabilities (1)	144,219		95,829		115,569
Contract liabilities	336,113		47,163		(84,370)
Other, net	(14,439)		(15,191)		(22,098)
Net change in assets and liabilities, net of non-cash transactions	$	(229,715)	$	(457,682)	$	327,369

(1) Accounts payable and accrued expenses and other non-current liabilities for the year ended December 31, 2022 includes the receipt of $100.5 million pursuant to coverage under an insurance policy, as further described in Note 16.

Reconciliation of Cash, Cash Equivalents, and Restricted Cash and Additional Supplemental Cash Flow Information

Reconciliations of cash, cash equivalents, and restricted cash reported within the consolidated balance sheets that sum to the total of such amounts shown in the statements of cash flows are as follows (in thousands):


	December 31,
	2022		2021		2020		2019
Cash and cash equivalents	$	428,505	$	229,097	$	184,620	$	164,798
Restricted cash included in “Prepaid expenses and other current assets” (1)	3,759		1,836		1,275		4,026
Restricted cash included in “Other assets, net” (1)	950		954		913		921
Total cash, cash equivalents, and restricted cash reported in the statements of cash flows	$	433,214	$	231,887	$	186,808	$	169,745

(1) Restricted cash includes any cash that is legally restricted as to withdrawal or usage.

Additional supplemental cash flow information is as follows (in thousands):


	Year Ended December 31,
	2022		2021		2020
Cash (paid) received during the period for:
Interest paid	$	(106,052)	$	(52,737)	$	(32,142)
Income taxes paid	$	(111,569)	$	(125,328)	$	(231,186)
Income tax refunds	$	8,281	$	13,257	$	18,119

Supplemental Cash Flow Information Related to Leases

Supplemental cash flow information related to leases is as follows (in thousands):


	Year Ended December 31,
	2022		2021		2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used by operating leases	$	(95,175)	$	(104,434)	$	(115,597)
Operating cash flows used by finance leases	$	(108)	$	(90)	$	(108)
Financing cash flows used by finance leases	$	(1,457)	$	(1,001)	$	(1,198)
Lease assets obtained in exchange for lease liabilities:
Operating leases	$	77,826	$	73,713	$	69,721
Finance leases	$	2,331	$	1,044	$	1,384
Lease financing transaction assets obtained in exchange for lease financing transaction liabilities	$	35,144	$	11,713	$	35,734