Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2013

Supplemental Cash Flow Elements [Abstract]

The following table discloses supplemental cash flow information about cash paid for interest and income taxes. Also disclosed is information about investing activities that affects recognized assets and liabilities but does not result in cash receipts or payments.



	Six months ended June 30,
	2013			2012
In thousands
Supplemental cash flow information:
Cash paid for interest	$	88,856		$	38,567
Cash paid for income taxes	16,883			754
Cash received for income tax refunds	(173		)	(72		)
Non-cash investing activities:
Increase in accrued capital expenditures	59,414			43,850
Asset retirement obligations, net	3,403			2,973

- Definition

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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