Consolidated Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2012	Jul. 01, 2011
Cash flows from operating activities:
Net earnings	$ 25,882	$ 28,219
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	13,349	10,805
Accretion of convertible notes discount	858	815
Change in allowance for doubtful accounts	(253)	(300)
Net (gain)/loss on sale of assets	(32)	36
Change in amount Due to Commonwealth of Australia, net of gain (loss) on derivative instruments	(206)	177
Stock compensation expense	3,581	4,655
Excess tax (expense) benefit from share-based compensation	(381)	(737)
Deferred income taxes	1,045	3,481
Changes in assets and liabilities, excluding effects of acquisitions/divestures:
Accounts receivable	(21,430)	(11,302)
Inventories	(11,725)	(430)
Income tax receivable	527	(142)
Other current assets	7,821	13,265
Accounts payable-trade	(3,168)	(4,615)
Accrued Contract losses	(725)	255
Advances on contracts	(949)	4,446
Other accrued expenses and payables	(19,897)	(30,652)
Income taxes payable	542	(301)
Pension liabilities	438	(7,642)
Other long-term liabilities	222	(3,887)
Net cash provided by (used in) operating activities	(4,501)	6,146
Cash flows from investing activities:
Proceeds from sale of assets	239	232
Expenditures for property, plant & equipment	(10,967)	(12,530)
Acquisition of businesses including earn out adjustment, net of cash	(7,938)	(2,015)
Other, net	(116)	312
Cash provided by (used in) investing activities	(18,782)	(14,001)
Cash flows from financing activities:
Net borrowings (repayments) under revolving credit agreements	26,702	(3,803)
Debt repayment	(2,500)	(2,500)
Net change in book overdraft	5,365	5,940
Proceeds from exercise of employee stock awards	2,651	4,001
Purchase of treasury shares	(659)	(858)
Dividends paid	(8,411)	(7,520)
Debt issuance costs	0	(715)
Windfall tax (expense) benefit	381	737
Other	0	(453)
Cash provided by (used in) financing activities	23,529	(5,171)
Net increase (decrease) in cash and cash equivalents	246	(13,026)
Effect of exchange rate changes on cash and cash equivalents	(132)	532
Cash and cash equivalents at beginning of period	14,985	32,232
Cash and cash equivalents at end of period	$ 15,099	$ 19,738