Segment Results (Schedule Of Financial Information By Reportable Segment) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net sales
Net sales	$ 637,515	$ 645,981	$ 1,913,832	$ 1,949,280
Operating profit (loss) from continuing operations
Operating profit (loss)	89,009	86,584	264,755	234,258
Interest income	337	443	1,488	1,292
Interest expense	(6,688)	(6,618)	(20,651)	(20,114)
Miscellaneous - net	(456)	(6)	(170)	(704)
Income from Continuing Operations Before Income Taxes	82,202	80,403	245,422	214,732
Aerospace and Electronics
Net sales
Net sales	169,771	171,368	507,046	525,127
Operating profit (loss) from continuing operations
Operating profit (loss)	38,105	39,833	115,257	116,834
Engineered Materials
Net sales
Net sales	61,956	56,956	179,933	169,603
Operating profit (loss) from continuing operations
Operating profit (loss)	10,792	7,226	28,538	21,178
Merchandising Systems
Net sales
Net sales	83,636	92,489	257,927	277,741
Operating profit (loss) from continuing operations
Operating profit (loss)	7,869	9,496	26,902	23,324
Fluid Handling
Net sales
Net sales	322,152	325,168	968,926	976,809
Operating profit (loss) from continuing operations
Operating profit (loss)	46,594	45,736	146,688	119,433
Corporate
Operating profit (loss) from continuing operations
Operating profit (loss)	$ (14,351)	$ (15,707)	$ (52,630)	$ (46,511)