CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Dec. 31, 2014
Cash flows of operating activities:
Net income	$ 18,172	$ 19,541	$ 13,524
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	4,445	3,927	3,913
Provision for uncollectible accounts	11,708	12,743	9,417
Stock-based compensation	2,760	2,121	1,814
Loan cost amortization	336	281	190
Deferred income taxes	8,725	3,914	5,500
Net cash provided by operating activities	46,146	42,527	34,358
Change in certain net assets and liabilities, net of the effects of acquisitions:
Accounts receivable	(18,701)	(17,393)	(25,613)
Prepaid expenses and other current assets	(377)	2,402	(647)
Other assets	(1,215)	(585)	165
Accounts payable and accrued expenses	(1,410)	(5,745)	(1,277)
Net cash provided by operating activities	24,443	21,206	6,986
Cash flows of investing activities:
Capital expenditures	(6,206)	(3,117)	(1,231)
Cost basis investment		(1,000)
Transaction deposit	(128,930)
Acquisitions, net of cash acquired	(31,486)	(82,578)	(969)
Net cash used in investing activities	(166,622)	(86,695)	(2,200)
Cash flows of financing activities:
Credit facility borrowings	389,328	233,425	66,632
Credit facility repayments	(240,662)	(166,082)	(76,185)
Debt issuance fees	(3,900)	(1,161)
Proceeds from stock option exercises	230	128	156
Purchase of common stock in connection with share awards	(527)	(338)	(52)
Tax impact of share awards	353	215	40
Payment of special dividend		(50)	(35)
Principal payments on notes payable and capital leases	(55)	(12)	(702)
Net cash provided by (used in) provided by financing activities	144,767	66,125	(10,146)
Net change in cash and cash equivalents	2,588	636	(5,360)
Cash and cash equivalents at beginning of period	7,522		12,246
Cash and cash equivalents at end of period	10,110	7,522	6,886
Supplemental disclosures of cash flow information:
Cash payment of interest, net of amounts capitalized	5,472	1,890	1,264
Cash payment of taxes	2,549	4,651	$ 1,953
Summary of non-cash investing and financing activities:
Acquisitions funded by notes payable	6,000	5,000
Acquisitions funded by stock	$ 10,675	$ 18,982