Segment Results (Schedule Of Financial Information By Reportable Segment) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net sales
Net sales	$ 645,981	$ 647,088	$ 1,949,280	$ 1,880,565
Operating profit (loss) from continuing operations
Operating profit (loss)	86,584	80,290	234,258	230,576
Interest income	443	442	1,292	1,121
Interest expense	(6,618)	(6,474)	(20,114)	(19,525)
Miscellaneous - net	(6)	(73)	(704)	3,262	[1]
Income from Continuing Operations Before Income Taxes	80,403	74,185	214,732	215,434
Aerospace and Electronics
Net sales
Net sales	171,368	172,216	525,127	505,690
Operating profit (loss) from continuing operations
Operating profit (loss)	39,833	35,640	116,834	106,839
Engineered Materials
Net sales
Net sales	56,956	53,101	169,603	175,034
Operating profit (loss) from continuing operations
Operating profit (loss)	7,226	5,919	21,178	25,192
Merchandising Systems
Net sales
Net sales	92,489	98,815	277,741	287,703
Operating profit (loss) from continuing operations
Operating profit (loss)	9,496	10,845	23,324	22,632
Fluid Handling
Net sales
Net sales	303,080	299,118	903,617	845,929
Operating profit (loss) from continuing operations
Operating profit (loss)	42,892	39,870	108,920	111,474
Controls
Net sales
Net sales	22,088	23,838	73,192	66,209
Operating profit (loss) from continuing operations
Operating profit (loss)	2,844	3,789	10,513	8,892
Corporate
Operating profit (loss) from continuing operations
Operating profit (loss)	$ (15,707)	$ (15,773)	$ (46,511)	$ (44,453)

[1] Primarily related to the sale of a building and the divestiture of a small product line in the three months ended March 31, 2011.