CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net earnings	$ 64,052	$ 56,312
Adjustments to reconcile net earnings to net cash used for operating activities:
Depreciation and amortization	46,638	42,244
Gain on divestiture	(29,430)	0
Net (gain) on sale of assets	(67)	(302)
Deferred income taxes	319	(2,955)
Share-based compensation	4,803	5,193
Impairment of assets	4,847	0
Change in operating assets and liabilities, net of businesses acquired:
Accounts receivable, net	(3,040)	(31,991)
Inventories, net	(34,374)	(35,324)
Progress payments	(2,113)	911
Accounts payable and accrued expenses	(42,868)	(19,319)
Deferred revenue	(2,418)	806
Income taxes payable	8,962	284
Net pension and postretirement liabilities	3,945	(7,019)
Other current and long-term assets and liabilities	(1,016)	6,213
Total adjustments	(45,812)	(41,259)
Net cash used for operating activities	18,240	15,053
Cash flows from investing activities:
Proceeds from sales and disposals of long-lived assets	369	307
Proceeds from divestiture	51,225	0
Acquisitions of intangible assets	(1,779)	(16)
Additions to property, plant, and equipment	(40,716)	(37,539)
Acquisition of businesses, net of cash acquired	(6,231)	(53,604)
Additional consideration of prior period acquisitions	(976)	0
Net cash provided by (used for) investing activities	1,892	(90,852)
Cash flows from financing activities:
Borrowings on debt	0	455,000
Principal payments on debt	(50)	(390,048)
Repurchases of common stock	(4,974)	0
Proceeds from exercise of stock options	9,055	5,915
Dividends paid	(3,752)	(3,710)
Excess tax benefits from share-based compensation	21	867
Net cash provided by financing activities	300	68,024
Effect of exchange-rate changes on cash	(1,738)	2,744
Net (decrease) increase in cash and cash equivalents	18,694	(5,031)
Cash and cash equivalents at beginning of period	194,387	68,119
Cash and cash equivalents at end of period	213,081	63,088
Supplemental disclosure of investing activities:
Capital Expenditures Incurred but Not yet Paid	$ 3,858	$ 1,147