CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net earnings	$ 137,981	$ 113,844	$ 126,389
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	121,497	93,896	88,300
Gain (Loss) on Disposition of Assets	77	(414)	(670)
(Gain on Bargain Purchase)	0	(910)	0
Gain on divestiture	0	(29,912)	(1,298)
Deferred income taxes	5,928	(3,871)	3,345
Share-based compensation	7,349	9,428	9,621
Impairment of assets	887	4,988	0
Change in operating assets and liabilities, net of businesses acquired and divested:
Accounts receivable, net	6,599	26,524	(78,850)
Inventories, net	(25,499)	(30,100)	(21,123)
Progress payments	(6,131)	(7,923)	11,264
Accounts payable and accrued expenses	8,567	(7,290)	15,628
Deferred revenue	(7,281)	(34,436)	51,724
Income taxes	(16,811)	15,211	3,917
Net pension and postretirement liabilities	(1,630)	(1,132)	(4,234)
Other current and long-term assets and liabilities	6,294	4,571	(2,160)
Net cash provided by operating activities	237,827	152,474	201,853
Cash flows from investing activities:
Proceeds from sales and disposals of long-lived assets	1,348	2,557	2,497
Proceeds from divestiture	0	52,123	8,100
Acquisitions of intangible assets	0	(1,761)	(22)
Additions to property, plant, and equipment	(72,242)	(82,954)	(84,322)
Acquisition of businesses, net of cash acquired	(236,135)	(460,439)	(178,080)
Additional consideration of prior period acquisitions	(6,663)	(2,524)	0
Net cash used for investing activities	(313,692)	(492,998)	(251,827)
Cash flows from financing activities:
Borrowings under revolving credit facility	983,109	576,934	1,002,600
Borrowings of debt	500,000	0	300,000
Repayments of Lines of Credit	(1,229,148)	(296,145)	(1,112,814)
Principal payments on debt	(125,033)	0	0
Repurchases of common stock	0	(25,705)	(8,178)
Proceeds from share-based compensation	27,450	15,492	11,746
Dividends paid	(18,377)	(16,392)	(14,893)
Excess tax benefits from share-based compensation	2,137	57	1,343
Net cash provided by financing activities	140,138	254,241	179,804
Effect of exchange-rate changes on cash	(1,002)	3,919	(3,562)
Net increase (decrease) in cash and cash equivalents	63,271	(82,364)	126,268
Cash and cash equivalents at beginning of period	112,023	194,387	68,119
Cash and cash equivalents at end of period	175,294	112,023	194,387
Supplemental disclosure of non-cash investing activities:
Capital Expenditures Incurred but Not yet Paid	4,546	1,478	3,600
IncreaseDecreaseInAssetRetirementObligations	0	6,904	0
Noncash or Part Noncash Acquisition, Fixed Assets Acquired	$ 6,225	$ 0	$ 0