Consolidated Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 27, 2013	Sep. 28, 2012
Cash flows from operating activities:
Earnings from continuing operations	$ 43,741	$ 39,994
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities of continuing operations:
Depreciation and amortization	23,720	20,427
Accretion of convertible notes discount	1,366	1,296
Provision for doubtful accounts	1,100	174
Net loss on sale of assets	100	21
Net loss (gain) on derivative instruments	130	(287)
Stock compensation expense	4,056	4,809
Excess tax (benefit) from share-based compensation	(350)	(720)
Deferred income taxes	2,619	(10)
Changes in assets and liabilities, excluding effects of acquisitions/divestures:
Accounts receivable	(33,354)	(6,094)
Inventories	(14,269)	(15,704)
Income tax refunds receivable	3,099	(527)
Other current assets	(1,371)	5,779
Accounts payable-trade	(4,814)	(556)
Accrued Contract losses	(565)	(1,349)
Advances on contracts	16,063	(138)
Other accruals and payables	(1,762)	(10,369)
Income taxes payable	(2,263)	(328)
Pension liabilities	(5,208)	(1,843)
Other long-term liabilities	(1,016)	1,471
Net cash provided by operating activities of continuing operations	24,824	37,100
Net cash provided by operating activities of discontinued operations	484	977
Net cash provided by operating activities	25,308	38,077
Cash flows from investing activities:
Proceeds from sale of assets	111	337
Expenditures for property, plant & equipment	(30,118)	(19,560)
Acquisition of businesses	(19,934)	(83,390)
Other, net	(642)	(407)
Cash used in investing activities of continuing operations	(50,583)	(103,020)
Cash used in investing activities of discontinued operations	0	(5)
Cash used in investing activities	(50,583)	(103,025)
Cash flows from financing activities:
Net borrowings under revolving credit agreements	30,116	72,190
Debt repayment	(5,000)	(3,750)
Net change in book overdraft	3,617	1,707
Proceeds from exercise of employee stock awards	4,002	5,730
Purchase of treasury shares	(644)	(733)
Dividends paid	(12,806)	(12,637)
Other	(51)	(50)
Windfall tax benefit	350	720
Cash provided by financing activities of continuing operations	19,584	63,177
Cash used in financing activities of discontinued operations	0	(807)
Cash provided by financing activities	19,584	62,370
Net increase (decrease) in cash and cash equivalents	(5,691)	(2,578)
Effect of exchange rate changes on cash and cash equivalents	150	(166)
Cash and cash equivalents at beginning of period	16,593	14,985
Cash and cash equivalents at end of period	$ 11,052	$ 12,241