CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net (loss) / earnings	$ (948)	$ 11,501
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	16,677	14,583
Prepaid pension asset	(2,422)	(5,122)
Equity-based compensation - Note B	3,141	3,181
Restructuring and impairment charges - Note M	8,755	3,384
Amortization of retirement benefit adjustments - Note F	6,494	5,193
Insurance recovery for business interruption and property damage - casualties		(17,011)
Insurance proceeds for business interruption and property damage other than property, plant and equipment - casualties		17,703
Changes in assets and liabilities, net of acquisition
Accounts receivable	(7,639)	10,020
Inventories	(2,977)	19,483
Other current assets	(409)	1,205
Accounts payable and accrued liabilities	33	(38,169)
Other	4,790	(965)
Total adjustments	26,443	13,485
Net cash provided by operating activities	25,495	24,986
Cash flows from investing activities:
Capital expenditures	(10,908)	(9,779)
Capital expenditures to replace property, plant and equipment damaged in casualties		(2,859)
Insurance proceeds for property, plant and equipment damaged in casualties		2,250
Proceeds from sale of fixed assets and assets held for sale	593	499
Payment for acquisition, net of cash acquired		(14,689)
Net cash used in investing activities	(10,315)	(24,578)
Cash flows from financing activities:
Payments of long-term debt - Note E	(3,527,200)	(3,979,650)
Proceeds from borrowings of long-term debt - Note E	3,502,300	3,999,750
Payments of short-term notes payable	(1,646)	(2,166)
Proceeds from borrowings of short-term notes payable	1,646	2,166
Purchase of treasury stock	(2,224)	(6,550)
Dividends paid	(3,524)	(3,574)
Exercise of stock options	2,235	1,672
Other	16	167
Net cash (used)/provided by financing activities	(28,397)	11,815
Effect of exchange rate on cash and cash equivalents	376	(15)
Net (decrease)/increase in cash and cash equivalents	(12,841)	12,208
Cash and cash equivalents at beginning of year	109,571	76,412
Cash and cash equivalents at end of period	96,730	88,620
Cash paid during the period for:
Interest	2,506	1,581
Income taxes-net	$ 4,756	$ 4,468