Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jul. 03, 2011	Jul. 04, 2010
Cash Flows from Operating Activities
Net income	$ 18,453	$ 18,539
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	30,096	29,286
Amortization of intangibles	226	245
Deferred income taxes	160	2,303
Loss on sale of property, plant and equipment	451	992
Net gain on property, plant and equipment damaged in flood		(612)
Amortization of debt costs	1,141	1,170
Amortization of deferred gain related to terminated interest rate agreements	(609)	(604)
Stock compensation expense	1,347	925
Insurance proceeds received for flood damage		1,450
Increase in current assets less current liabilities	(24,493)	(18,994)
(Increase) decrease in other noncurrent assets	(6,925)	4,538
Decrease in other noncurrent liabilities	(1,279)	(15,316)
Other	(8)	(13)
Total adjustments	107	5,370
Net cash provided by operating activities	18,560	23,909
Cash Flows from Investing Activities
Additions to property, plant and equipment	(32,187)	(28,125)
Proceeds from the sale of property, plant and equipment	53	1,312
Decrease in restricted cash	500	1,000
Net cash used in investing activities	(31,634)	(25,813)
Cash Flows from Financing Activities
Proceeds from lines of credit, net		5,000
Cash dividends paid	(4,599)	(4,587)
Principal payments on capital lease obligations	(1,904)	(1,890)
Other	(126)	(88)
Net cash provided by financing activities	(6,629)	(1,565)
Net decrease in cash	(19,703)	(3,469)
Cash at beginning of period	45,872	17,770
Cash at end of period	26,169	14,301
Significant non-cash investing and financing activities:
Issuance of Class B Common Stock in connection with stock award	1,327	1,316
Capital lease obligations incurred	$ 18,644