Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Oct. 02, 2011	Oct. 03, 2010
Cash Flows from Operating Activities
Net income	$ 29,438	$ 35,750
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	45,828	43,801
Amortization of intangibles	329	367
Deferred income taxes	348	2,188
Loss on sale of property, plant and equipment	405	1,211
Impairment / accelerated depreciation of property, plant and equipment		787
Net gain on property, plant and equipment damaged in flood		(881)
Amortization of debt costs	1,744	1,760
Amortization of deferred gain related to terminated interest rate agreements	(915)	(907)
Stock compensation expense	1,664	1,588
Insurance proceeds received for flood damage		1,450
(Increase) decrease in current assets less current liabilities	6,917	(10,414)
(Increase) decrease in other noncurrent assets	(6,364)	4,434
Decrease in other noncurrent liabilities	(5,809)	(5,368)
Other	2	(13)
Total adjustments	44,149	40,003
Net cash provided by operating activities	73,587	75,753
Cash Flows from Investing Activities
Additions to property, plant and equipment	(41,392)	(40,640)
Proceeds from the sale of property, plant and equipment	552	1,373
Decrease in restricted cash	500	1,000
Net cash used in investing activities	(40,340)	(38,267)
Cash Flows from Financing Activities
Repayments under revolving credit facility		(15,000)
Cash dividends paid	(6,901)	(6,884)
Principal payments on capital lease obligations	(2,875)	(2,860)
Debt issuance costs paid	(668)
Other	(126)	(88)
Net cash used in financing activities	(10,570)	(24,832)
Net increase in cash	22,677	12,654
Cash at beginning of period	45,872	17,770
Cash at end of period	68,549	30,424
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	$ 18,632