Consolidated Condensed Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010
Cash flows from operating activities:
Net income	$ 26,148,000	$ 31,643,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	9,967,000	10,023,000
Amortization of intangible assets	1,458,000	1,842,000
Amortization of stock awards	2,023,000	2,144,000
Stock option compensation expense	678,000	670,000
Excess tax benefits from stock-based compensation	(58,000)	(124,000)
Deferred financing fees	194,000	124,000
Non-cash postretirement benefits curtailment gain	(142,000)	(3,066,000)
Contributions to qualified pension plans	(1,112,000)	(657,000)
Net change in receivables, inventories and trade payables	(16,642,000)	(6,714,000)
Net change in other assets and liabilities	(1,701,000)	16,167,000
Net cash from operating activities	20,813,000	52,052,000
Cash flows from investing activities:
Capital expenditures	(7,731,000)	(7,191,000)
Dispositions of property, plant and equipment	77,000	40,000
Acquisition of business, net of cash received	(39,047,000)	0
Net cash used in investing activities	(46,701,000)	(7,151,000)
Cash flows from financing activities:
Cash dividends paid	(12,509,000)	(12,100,000)
Purchase of treasury stock	(28,150,000)	(8,789,000)
Excess tax benefits from stock-based compensation	58,000	124,000
Proceeds from exercise of stock options	39,000	55,000
Net cash used in financing activities	(40,562,000)	(20,710,000)
Effect of exchange rate changes on cash and cash equivalents	3,069,000	(2,898,000)
Net increase (decrease) in cash and cash equivalents	(63,381,000)	21,293,000
Cash and cash equivalents - Beginning of period	286,648,000	262,403,000
Cash and cash equivalents - End of period	223,267,000	283,696,000
Cash paid for income taxes	7,238,000	7,890,000
Cash paid for interest	$ 0	$ 0