Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2012

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information follows:



	Year Ended December 31,
Supplemental cash flow information	2012			2011			2010
Interest paid	$	2,683		$	3,882		$	2,174
Income taxes paid, net	11,131			2,137			7,509
Noncash transactions:
Debt issued for purchases of businesses	$	100		$	500		$	—
Detail of acquisitions:
Assets acquired:
Receivables	$	474		$	16		$	—
Operating supplies	209			—			—
Prepaid expense	47			—			112
Equipment	1,826			321			1,703
Deposits and other	—			—			1,549
Intangibles	3,812			1,190			3,588
Liabilities assumed	(1,868		)	(65		)	(1,116		)
Debt issued for purchases of businesses	(100		)	(500		)	—
Cash paid	$	4,400		$	962		$	5,836

- 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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