CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Dec. 25, 2015
Cash flows from operating activities:
Net income	$ 14,366	$ 3,023	$ 16,209
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,516	7,082	5,960
Amortization of intangible assets	12,033	11,433	9,453
Provision for allowance for doubtful accounts	4,061	3,224	2,909
Deferred rent	285	1,568	850
Deferred taxes	(703)	2,991	(809)
Amortization of deferred financing fees	2,084	1,807	1,228
Loss on debt extinguishment	0	22,310	0
Stock compensation	3,018	2,579	3,539
Change in fair value of earn-outs	(579)	(10,031)	558
Gain on asset disposal	10	(69)	(295)
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	(13,611)	(2,503)	(11,055)
Inventories	(11,783)	7,038	(6,109)
Prepaid expenses and other current assets	4,762	(7,168)	1,314
Accounts payable and accrued liabilities	10,406	(941)	15,351
Other liabilities	(1,130)	(2,314)	(471)
Other assets	(238)	(1,115)	(905)
Net cash provided by operating activities	31,497	38,914	37,727
Cash flows from investing activities:
Capital expenditures	(12,311)	(16,623)	(21,656)
Cash paid for acquisitions, net of cash received	(30,095)	(19,742)	(123,831)
Proceeds from asset disposals	0	550	16,187
Net cash used in investing activities	(42,406)	(35,815)	(129,300)
Cash flows from financing activities:
Proceeds from the issuance of common stock, net of issuance costs	34,020	0	0
Proceeds from senior secured notes	0	315,810	25,000
Payment of debt and capital lease obligations	(12,830)	(158,880)	(23,893)
Payment for debt extinguishment	0	(21,219)	0
Borrowing under revolving credit line	24,000	33,200	209,982
Payments under revolving credit line	(24,000)	(126,582)	(116,600)
Payment of deferred financing fees	(761)	(7,782)	(1,012)
Cash paid for contingent earn-out obligation	(500)	(6,743)	(1,420)
Surrender of shares to pay withholding taxes	(500)	(569)	(1,092)
Excess tax benefits on stock compensation	0	0	81
Net cash provided by financing activities	19,429	27,235	91,046
Effect of foreign currency on cash and cash equivalents	122	74	(347)
Net change in cash and cash equivalents	8,642	30,408	(874)
Cash and cash equivalents at beginning of year	32,862	2,454	3,328
Cash and cash equivalents at end of year	$ 41,504	$ 32,862	$ 2,454