Segment Results (Schedule Of Financial Information By Reportable Segment) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net sales
Net sales	$ 648,746	$ 657,686	$ 1,276,317	$ 1,303,299
Operating profit (loss) from continuing operations
Operating profit (loss)	88,846	69,377	175,746	147,674
Interest income	519	454	1,151	849
Interest expense	(7,245)	(6,785)	(13,963)	(13,496)
Miscellaneous - net	406	(351)	286	(698)
Income from Continuing Operations Before Income Taxes	82,526	62,695	163,220	134,329
Aerospace and Electronics
Net sales
Net sales	172,392	178,591	337,275	353,759
Operating profit (loss) from continuing operations
Operating profit (loss)	37,041	38,931	77,152	77,001
Engineered Materials
Net sales
Net sales	57,747	54,487	117,977	112,647
Operating profit (loss) from continuing operations
Operating profit (loss)	9,172	5,543	17,746	13,952
Merchandising Systems
Net sales
Net sales	84,831	97,577	174,291	185,252
Operating profit (loss) from continuing operations
Operating profit (loss)	8,868	9,115	19,033	13,828
Fluid Handling
Net sales
Net sales	333,776	327,031	646,774	651,641
Operating profit (loss) from continuing operations
Operating profit (loss)	54,202	30,620	100,094	73,697
Corporate
Operating profit (loss) from continuing operations
Operating profit (loss)	$ (20,437)	$ (14,832)	$ (38,279)	$ (30,804)