Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2013

Supplemental Cash Flow Information

Supplemental Cash Flow Information

	Nine Months Ended
	September 30,
(in thousands)	2013			2012
Supplemental disclosure of non-cash transactions:
Non-cash increase in construction in progress and financing obligation	$	4,164		$	—
Unrealized gain (loss) on available for sale securities, net of tax	(2		)	21
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$	871		$	28,291
Cash paid for interest	4,277			4,637