Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities
Net income	$ 16,820	$ 16,074
Adjustments to reconcile net income to net cash provided by operations
Depreciation and amortization	24,678	22,493
Net accretion of acquired lease contracts	(1,118)	(849)
Net loss on sale and abandonment of assets	94	105
Net gain on sale of business	(508)
Amortization of debt issuance costs	704	999
Amortization of original discount on borrowings	487	983
Write-off of debt issuance costs and original discount on borrowings	634
Non-cash stock-based compensation	3,100	2,806
Provisions for losses on accounts receivable	365	901
Excess tax benefit related to vesting of restricted stock units	(183)	79
Deferred income taxes	(7,718)	(7,148)
Net change in operating assets and liabilities	(18,224)	(652)
Net cash provided by operating activities	19,131	35,791
Investing activities
Purchase of leasehold improvements and equipment	(6,558)	(10,409)
Acquisitions		(40)
Cost of contracts purchased	(2,686)	(1,375)
Proceeds from sale of assets	391	366
Proceeds from sale of business, net	960
Capitalized interest		(17)
Contingent payments for businesses acquired		(6)
Net cash (used in) investing activities	(7,893)	(11,481)
Financing activities
Tax benefits from vesting of restricted stock units	183	(79)
Contingent payments for businesses acquired	(57)	(441)
Proceeds from Senior Credit Facility and Restated Credit Facility revolver, net	(5,700)	(1,850)
Proceeds (payments) from Senior Credit Facility and Restated Credit Facility term loan, net	(1,295)	(24,815)
Payments of debt issuance costs for Restated Credit Facility	(906)
Distribution to noncontrolling interest	(1,742)	(2,211)
Redemption of convertible debentures	(68)	(13)
Borrowings (payments) on other long-term debt obligations	(235)	153
Net cash (used in) financing activities	(9,820)	(29,256)
Effect of exchange rate changes on cash and cash equivalents	(622)	(47)
Increase in cash and cash equivalents	796	(4,993)
Cash and cash equivalents at beginning of period	18,196	23,158
Cash and cash equivalents at end of period	18,992	18,165
Cash paid (received) during the period for
Interest	8,379	10,665
Income taxes, net	$ 14,301	$ (1,637)