Supplemental Cash Flows

12 Months Ended

Dec. 31, 2011

16. Supplemental Cash Flows

Supplemental disclosures of cash flow information are as follows for the years ended December 31:

(in thousands)	2011		2010		2009

Cash paid during the period for:
Income taxes	$	9,151	$	6,358	$	7,621
Interest expense		524		968		768
Noncash investing activities:
Acquisition of property and equipment for which payment is pending		901		3,349		202
Acquisition of property and equipment through like-kind exchange of similar assets		—		2,924		—
Acquisition of property and equipment under capital lease obligations		—		—		87

- 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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