Supplemental Financial Information (Tables)

12 Months Ended

Dec. 31, 2012

Accounts Receivable, Net of Allowance for Doubtful Accounts

Accounts receivable, net of allowance for bad debts, consists of the following:

	December 31,
	2012		2011
	(In thousands)
Trade receivables	$	478,992	$	555,451
Value added tax receivables		13,884		11,615
Amounts held in escrow		11,555		12
Interest receivable		6		2,540
Related party receivables		527		577
Other		154		606
		505,118		570,801
Allowance for bad debts		(5,458)		(6,867)
Total	$	499,660	$	563,934

Changes in Provision for Bad Debts

An analysis of the changes in our provision for bad debts for each of the three years ended December 31, 2012, 2011 and 2010 is as follows:

	For the Year Ended December 31,
	2012		2011		2010
	(In thousands)
Allowance for bad debts, beginning of year	$	6,867	$	31,908	$	41,698
Bad debt expense:
Provision for bad debts		--		5,688		--
Recovery of bad debts		(1,018)		(12,401)		(9,789)
Total bad debt expense (recovery)		(1,018)		(6,713)		(9,789)
Write off of uncollectible accounts against reserve		(391)		(18,380)		--
Other		--		52		(1)
Allowance for bad debts, end of year	$	5,458	$	6,867	$	31,908

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

	December 31,
	2012		2011
	(In thousands)
Rig spare parts and supplies	$	57,558	$	52,637
Deferred mobilization costs		38,074		74,659
Prepaid insurance		12,549		12,417
Deferred tax assets		8,619		6,800
Prepaid taxes		5,950		37,612
FOREX contracts		3,627		1,262
Other		9,722		7,183
Total	$	136,099	$	192,570

Accrued Liabilities

Accrued liabilities consist of the following:

	December 31,
	2012		2011
	(In thousands)
Rig operating expenses	$	70,078	$	108,342
Payroll and benefits		88,612		77,055
Deferred revenue		71,699		67,894
Accrued capital project/upgrade costs		56,595		22,725
Interest payable		21,219		21,406
Construction milestone payments		--		14,600
Personal injury and other claims		10,312		10,536
FOREX contracts		29		8,454
Other		5,890		5,388
Total	$	324,434	$	336,400

Noncash Investing and Financing Activities

Noncash investing activities excluded from the Consolidated Statements of Cash Flows and other supplemental cash flow information is as follows:

	December 31,
	2012		2011		2010
	(In thousands)
Accrued but unpaid capital expenditures at December 31	$	56,595	$	37,325	$	28,947
Income tax benefits related to exercise of stock options		1,083		863		1,078
Cash interest payments, including amounts capitalized (1)		46,156		71,884		84,370
Cash income taxes paid, net of refunds:
U.S. federal		71,000		94,843		427,504
Foreign		72,249		150,465		128,447
State		243		210		111

(1) Interest paid included $0.2 million and $0.9 million in interest on Internal Revenue Service assessments during the years ended December 31, 2012 and 2010, respectively.