CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2016	Dec. 31, 2014	Dec. 31, 2013
Cash flows of operating activities:
Net income	$ 19,541	$ 13,524	$ 8,048
(Loss) on discontinued operations, net of tax			(558)
Net income from continuing operations	19,541	13,524	8,606
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	4,208	4,103	2,862
Provision for uncollectible accounts	12,743	9,417	5,378
Stock-based compensation	2,121	1,814	1,465
Deferred income taxes	3,914	5,500	2,099
Net cash provided by operating activities	42,527	34,358	20,410
Change in certain net assets and liabilities, net of the effects of acquisitions:
Accounts receivable	17,393	25,613	4,440
Prepaid expenses and other current assets	(2,402)	647	(4,229)
Other assets	585	(165)	(235)
Accounts payable and accrued expenses	(5,745)	(1,277)	(888)
Net cash provided by operating activities	21,206	6,986	19,546
Cash flows of investing activities:
Capital expenditures	(3,117)	(1,231)	(2,502)
Cost basis investment	(1,000)
Acquisitions, net of cash acquired	(82,578)	(969)	(88,465)
Net cash used in investing activities	(86,695)	(2,200)	(90,967)
Cash flows of financing activities:
Credit facility borrowings	233,425	66,632	56,000
Credit facility repayments	(166,082)	(76,185)
Debt issuance fees	(1,161)
Proceeds from stock option exercises	128	156	11
Purchase of common stock in connection with share awards	(338)	(52)	(20)
Tax impact of share awards	215	40	(62)
Payment of special dividend	(50)	(35)
Principal payments on notes payable and capital leases	(12)	(702)	(720)
Net cash provided by (used in) provided by financing activities	66,125	(10,146)	55,209
Cash flows from discontinued operations:
Operating activities			(742)
Investing activities			3,080
Net cash from discontinued operations			2,338
Net change in cash and cash equivalents	636	(5,360)	(13,874)
Cash and cash equivalents at beginning of period	6,886	12,246	26,120
Cash and cash equivalents at end of period	7,522	6,886	12,246
Supplemental disclosures of cash flow information:
Cash payment of interest, net of amounts capitalized	1,890	1,264	97
Cash payment of taxes	4,651	$ 1,953	6,084
Summary of non-cash investing and financing activities:
Acquisitions funded by notes payable	5,000		1,500
Acquisitions funded by stock	$ 18,982		$ 500