SUPPLEMENTAL CASH FLOW INFORMATION (Tables)

12 Months Ended

Dec. 31, 2011

SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]

Noncash investing and financing activities

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

	2011		2010		2009
Accrued but unpaid additions to property and equipment at December 31	$	66,764	$	40,345	$	23,340
Value of common stock issued in exchange for SKDP shares		-		337,907		-
Cash interest payments in excess of (less than) interest capitalized		14,802		23,596		(7,568	)
Cash income tax payments, net of refunds		276,839		98,979		137,648