Supplemental Financial Information

3 Months Ended

Mar. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

3. Supplemental Financial Information

Condensed Consolidated Balance Sheets Information

Accounts receivable, net of allowance for bad debts, consist of the following (in thousands):

	March 31,			December 31,
	2019			2018
Trade receivables	$	179,805		$	160,463
Value added tax receivables		14,671			13,237
Related party receivables		103			174
Other		261			205
		194,840			174,079
Allowance for bad debts		(5,459	)		(5,459	)
Total	$	189,381		$	168,620

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

	March 31,		December 31,
	2019		2018
Deferred contract costs	$	78,707	$	70,021
Prepaid taxes		54,786		54,412
Rig spare parts and supplies		18,085		20,256
Current contract assets		8,755		6,832
Prepaid insurance		1,609		2,742
Other		8,290		9,133
Total	$	170,232	$	163,396

Accrued liabilities consist of the following (in thousands):

	March 31,		December 31,
	2019		2018
Payroll and benefits	$	39,690	$	47,564
Rig operating expenses		38,278		42,323
Accrued capital project/upgrade costs		29,902		37,379
Interest payable		36,813		28,234
Current operating lease liability		29,334		—
Personal injury and other claims		5,356		5,544
Deferred revenue		6,840		2,803
Other		11,664		8,381
Total	$	197,877	$	172,228

We adopted ASU 2016-02 effective January 1, 2019, which required us to recognize a right of use asset and a lease liability on the balance sheet for virtually all leases. See Note 9.

Condensed Consolidated Statements of Cash Flows Information

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,
	2019			2018
Accrued but unpaid capital expenditures at period end	$	29,902		$	14,104
Common stock withheld for payroll tax obligations ⁽¹⁾		844			733
Cash interest payments		19,688			19,688
Cash income taxes paid, net of (refunds):
Foreign		8,700			2,033
State		(15	)		2

⁽¹⁾

Represents the cost of 81,480 shares and 49,082 shares of common stock withheld to satisfy payroll tax obligations incurred as a result of the vesting of restricted stock units in the three months ended March 31, 2019 and 2018, respectively. These costs are presented as a deduction from stockholders’ equity in “Treasury stock” in our unaudited Condensed Consolidated Balance Sheets at March 31, 2019 and 2018, respectively.