Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2020

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

	Three Months Ended
	March 31,
	2020			2019
Accounts and notes receivable	$	122,330		$	(159,469	)
Contract assets	16,372			5,267
Inventories	(4,368		)	28,996
Prepaid expenses and other current assets	84,078			(29,339		)
Accounts payable and accrued expenses and other non-current liabilities	(110,394		)	(66,678		)
Contract liabilities	(12,886		)	(23,380		)
Other, net	(5,662		)	(5,553		)
Net change in operating assets and liabilities, net of non-cash transactions	$	89,470		$	(250,156	)

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

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

	March 31,
	2020		2019
Cash and cash equivalents	$	377,205	$	85,423
Restricted cash included in “Prepaid expenses and other current assets”	3,514		3,038
Restricted cash included in “Other assets, net”	919		1,031
Total cash, cash equivalents, and restricted cash reported in the statements of cash flows	$	381,638	$	89,492

	December 31,
	2019		2018
Cash and cash equivalents	$	164,798	$	78,687
Restricted cash included in “Prepaid expenses and other current assets”	4,026		3,286
Restricted cash included in “Other assets, net”	921		1,283
Total cash, cash equivalents, and restricted cash reported in the statements of cash flows	$	169,745	$	83,256

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

	Three Months Ended
	March 31,
	2020			2019
Cash (paid) received during the period for —
Interest paid	$	(13,272	)	$	(13,432	)
Income taxes paid	$	(54,221	)	$	(8,193	)
Income tax refunds	$	2,339		$	1,278

Supplemental Cash Flow Information Related to Leases

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

	Three Months Ended
	March 31,
	2020			2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	(29,482	)	$	(29,447	)
Operating cash flows from finance leases	$	(17	)	$	(21	)
Financing cash flows from finance leases	$	(201	)	$	(630	)
Lease assets obtained in exchange for lease liabilities:
Operating leases	$	29,693		$	15,939
Finance leases	$	866		$	401