Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 01, 2014	Mar. 26, 2013
Operating activities
Net income	$ 2,956	$ 13,244
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	15,048	12,950
Amortization of debt issuance costs	1,013	829
Deferred income taxes	(906)	350
Other	64	87
Changes in assets and liabilities, excluding the effect of acquisitions:
Accounts receivable	4,135	6,711
Inventories	(569)	(528)
Prepaid expenses and other current assets	466	(1,867)
Accounts payable	(2,181)	3,340
Income taxes	1,562	4,358
Accrued interest	(3,553)	(3,231)
Accrued liabilities	6,607	814
Insurance reserves	537	(26)
Other deferred items	(336)	(223)
Other assets	(70)	(10)
Net cash provided by operating activities	24,773	36,798
Investing activities
Capital expenditures	(19,246)	(9,630)
Proceeds from sale or disposition of assets	324	40
Net cash used in investing activities	(18,922)	(9,590)
Financing activities
Borrowings under revolving credit facility	39,500	0
Payments under revolving credit facility	(46,500)	0
Payments on term bank facilities	(625)	0
Debt issue costs	0	(38)
Accrued purchase price paid to sellers	(10,875)	(602)
Net cash used in financing activities	(18,500)	(640)
Net change in cash and cash equivalents	(12,649)	26,568
Beginning cash and cash equivalents	20,035	25,493
Ending cash and cash equivalents	7,386	52,061
Supplemental disclosures of cash flow information:
Net cash paid for interest	12,662	12,603
Net cash paid (received) for income taxes	$ 581	$ (2,104)