Supplemental Financial Information (Tables)

3 Months Ended

Mar. 31, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Accounts Receivable, Net of Allowance for Credit Losses

Accounts receivable, net of allowance for credit losses, consist of the following (in thousands):

	March 31,			December 31,
	2020			2019
Trade receivables	$	218,666		$	199,572
Federal income tax receivables		38,574			38,574
Value added tax receivables		16,111			17,716
Related party receivables		80			166
Other		492			287
		273,923			256,315
Allowance for credit losses		(5,760	)		(5,459	)
Total	$	268,163		$	250,856

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following (in thousands):

	March 31,		December 31,
	2020		2019
Deferred contract costs	$	31,956	$	20,019
Rig spare parts and supplies		14,971		18,250
Prepaid taxes		13,877		12,475
Prepaid rig costs		3,897		2,990
Current contract assets		3,223		6,314
Prepaid insurance		1,940		2,892
Prepaid software costs		1,518		2,319
Other		5,387		3,399
Total	$	76,769	$	68,658

Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	March 31,		December 31,
	2020		2019
Rig operating expenses	$	45,231	$	37,969
Interest payable		36,813		28,234
Payroll and benefits		28,713		42,494
Accrued capital project/upgrade costs		26,094		56,603
Deferred revenue		23,662		9,573
Current operating lease liability		20,482		20,030
Personal injury and other claims		6,484		7,074
Shorebase and administrative costs		4,374		5,275
Other		4,178		3,528
Total	$	196,031	$	210,780

Noncash Investing and Financing Activities

Noncash investing activities excluded from the unaudited Condensed Consolidated Statements of Cash Flows and other supplemental cash flow information is as follows (in thousands):  

	Three Months Ended March 31,
	2020			2019
Accrued but unpaid capital expenditures at period end	$	26,094		$	29,902
Common stock withheld for payroll tax obligations (1)		324			844
Cash interest payments		19,785			19,688
Cash income taxes paid, net of (refunds):
Foreign		7,142			8,700
State		(14	)		(15	)

^{(1) Represents the cost of 85,131 shares and 81,480 shares of common stock withheld to satisfy payroll tax obligations incurred as a result of the vesting of restricted stock units during the three-month periods ended March 31, 2020 and 2019, respectively. These costs are presented as a deduction from stockholders’ equity in “Treasury stock” in our unaudited Condensed Consolidated Balance Sheets at March 31, 2020 and 2019, respectively.}