Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010
Operating activities:
Net income	$ 14,558		$ 12,370
Adjustments to reconcile net income to net cash provided by operations:
Depreciation and amortization	4,935		4,545
(Gain) loss on sale and abandonment of assets	(49)		50
Amortization of debt issuance costs	478		478
Non-cash stock-based compensation	1,724		1,770
Excess tax benefit related to stock option exercises	(148)		(1,185)
Provisions for losses on accounts receivable	33		102
Deferred income taxes	2,857		1,786
Change in operating assets and liabilities	(11,339)		(4,149)
Net cash provided by operating activities	13,049		15,767
Investing activities:
Purchase of leasehold improvements and equipment	(2,907)		(2,168)
Cost of contracts purchased	(395)		(522)
Proceeds from sale of assets	82		3
Capitalized interest	(40)		(107)
Contingent purchase payments	(293)		(104)
Net cash used in investing activities	(3,553)		(2,898)
Financing activities:
Proceeds from exercise of stock options	143		1,450
Repurchase of common stock	(5,031)
Tax benefit related to stock option exercises	148		1,185
Earn-out payment			(529)
Payments on senior credit facility	(3,250)		(15,200)
Distribution to noncontrolling interest	(255)		(179)
Payments on long-term borrowings	(102)		(95)
Payments on debt issuance costs	(30)		(30)
Payments on capital leases	(399)		(404)
Net cash used in financing activities	(8,776)		(13,802)
Effect of exchange rate changes on cash and cash equivalents	(406)		81
Increase (decrease) in cash and cash equivalents	314		(852)
Cash and cash equivalents at beginning of period	7,305	[1]	8,256
Cash and cash equivalents at end of period	7,619		7,404
Cash paid during the period for:
Interest	3,151		3,975
Income taxes	$ 4,975		$ 4,925

[1] The balance sheet at December 31, 2010 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.