CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net earnings	$ 41,312	$ 24,516
Adjustments to reconcile net earnings to net cash used for operating activities:
Depreciation and amortization	23,534	20,522
Gain on divestiture	(29,583)	0
Net gain on sales and disposals of long-lived assets	(669)	(46)
Deferred income taxes	(1,373)	(2,743)
Share-based compensation	2,681	2,793
Change in operating assets and liabilities, net of businesses acquired:
Accounts receivable, net	(27,999)	(35,100)
Inventories, net	(19,931)	(22,551)
Progress payments	(398)	(407)
Accounts payable and accrued expenses	(29,574)	(34,207)
Deferred revenue	17,536	5,581
Income taxes payable	19,052	7,745
Net pension and postretirement liabilities	2,722	(10,337)
Other current and long-term assets and liabilities	(2,029)	1,449
Total adjustments	(46,031)	(67,301)
Net cash used for operating activities	(4,719)	(42,785)
Cash flows from investing activities:
Proceeds from sales and disposals of long-lived assets	0	118
Proceeds from divestiture	51,225	0
Acquisitions of intangible assets	(1,929)	0
Additions to property, plant, and equipment	(20,167)	(19,245)
Acquisition of businesses, net of cash acquired	0	(13,250)
Net cash provided by (used for) investing activities	29,129	(32,377)
Cash flows from financing activities:
Borrowings on debt	0	273,500
Principal payments on debt	(25)	(220,524)
Proceeds from exercise of stock options	8,340	5,895
Excess tax benefits from share-based compensation	20	3
Net cash provided by financing activities	8,335	58,874
Effect of exchange-rate changes on cash	3,932	135
Net (decrease) increase in cash and cash equivalents	36,677	(16,153)
Cash and cash equivalents at beginning of period	194,387	68,119
Cash and cash equivalents at end of period	231,064	51,966
Supplemental disclosure of investing activities:
Capital Expenditures Incurred but Not yet Paid	$ 4,223	$ 746