Supplemental Cash Flows

12 Months Ended

Dec. 31, 2012

16. Supplemental Cash Flows

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

(in thousands)	2012		2011		2010

Cash paid during the period for:
Income taxes	$	16,926	$	9,151	$	6,358
Interest expense		670		524		968
Noncash investing activities:
Acquisition of property and equipment for which payment is pending		390		901		3,349
Acquisition of property and equipment through like-kind exchange of similar assets		—		—		2,924

- 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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