Consolidated Condensed Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010
Cash flows from operating activities:
Net income	$ 40,652,000	$ 44,731,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	15,095,000	15,645,000
Amortization of intangible assets	2,274,000	2,713,000
Amortization of stock awards	3,125,000	2,998,000
Stock option compensation expense	995,000	991,000
Excess tax benefits from stock-based compensation	(95,000)	(186,000)
Deferred financing fees	291,000	134,000
Non-cash postretirement benefits curtailment gain	(142,000)	(3,066,000)
Contributions to qualified pension plans	(1,952,000)	(1,614,000)
Net change in receivables, inventories and trade payables	(25,466,000)	(9,533,000)
Net change in other assets and liabilities	497,000	13,576,000
Net cash from operating activities	35,274,000	66,389,000
Cash flows from investing activities:
Capital expenditures	(11,865,000)	(11,280,000)
Dispositions of property, plant and equipment	210,000	107,000
Acquisition of business, net of cash received	(39,610,000)	0
Net cash used in investing activities	(51,265,000)	(11,173,000)
Cash flows from financing activities:
Cash dividends paid	(18,652,000)	(18,121,000)
Purchase of treasury stock	(34,719,000)	(8,789,000)
Credit facility issuance costs	0	(1,935,000)
Excess tax benefits from stock-based compensation	95,000	186,000
Proceeds from exercise of stock options	39,000	104,000
Net cash used in financing activities	(53,237,000)	(28,555,000)
Effect of exchange rate changes on cash and cash equivalents	1,668,000	(262,000)
Net increase (decrease) in cash and cash equivalents	(67,560,000)	26,399,000
Cash and cash equivalents - Beginning of period	286,648,000	262,403,000
Cash and cash equivalents - End of period	219,088,000	288,802,000
Cash paid for income taxes	11,644,000	15,082,000
Cash paid for interest	$ 0	$ 0