Segment Information (Schedule Of Consolidated Financial Statements By Industry Segments) (Details) (USD $)	3 Months Ended										9 Months Ended		12 Months Ended			3 Months Ended		12 Months Ended								3 Months Ended				12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012	Jun. 30, 2012	Mar. 31, 2012	Sep. 30, 2012		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2011 Merchandising Systems [Member]		Dec. 31, 2013 Merchandising Systems [Member]		Dec. 31, 2012 Merchandising Systems [Member]		Dec. 31, 2011 Merchandising Systems [Member]	Dec. 31, 2013 Reporting segments [Member]	Dec. 31, 2012 Reporting segments [Member]	Dec. 31, 2011 Reporting segments [Member]	Dec. 31, 2013 Corporate - before asbestos and environmental charges [Member]	Sep. 30, 2013 Corporate - before asbestos and environmental charges [Member]	Jun. 30, 2013 Corporate - before asbestos and environmental charges [Member]	Mar. 31, 2013 Corporate - before asbestos and environmental charges [Member]	Dec. 31, 2013 Corporate - before asbestos and environmental charges [Member]		Dec. 31, 2012 Corporate - before asbestos and environmental charges [Member]		Dec. 31, 2011 Corporate - before asbestos and environmental charges [Member]		Dec. 31, 2013 Corporate expense - asbestos charge [Member]	Dec. 31, 2012 Corporate expense - asbestos charge [Member]	Dec. 31, 2011 Corporate expense - asbestos charge [Member]	Dec. 31, 2013 Corporate expense - environmental charges [Member]	Dec. 31, 2012 Corporate expense - environmental charges [Member]	Dec. 31, 2011 Corporate expense - environmental charges [Member]	Dec. 31, 2013 Corporate [Member]	Dec. 31, 2012 Corporate [Member]		Dec. 31, 2011 Corporate [Member]		Dec. 31, 2013 Operating Profit [Member] Merchandising Systems [Member]	Dec. 31, 2012 Operating Profit [Member] Merchandising Systems [Member]
Segment Reporting Information [Line Items]
Net sales	$ 681,449,000	$ 637,515,000		$ 648,746,000		$ 627,571,000		$ 629,788,000	$ 657,686,000	$ 645,613,000	$ 645,981,000		$ 2,595,281,000	$ 2,579,068,000	$ 2,500,369,000
Operating profit from continuing operations	83,121,000	89,009,000	[1]	88,846,000	[2]	86,900,000	[3]	76,183,000	69,377,000	78,297,000	86,584,000	[4]	347,876,000	310,441,000	36,571,000	30,337,000	[5]	34,822,000	[5]	33,771,000	[5]		424,024,000	375,288,000	366,746,000					(76,148,000)	[6],[7]	(64,847,000)	[6],[7]	(58,201,000)	[6],[7]	0	0	(241,647,000)	0	0	(30,327,000)
Interest income													1,867,000	1,879,000	1,635,000
Interest expense													(26,460,000)	(26,831,000)	(26,255,000)
Miscellaneous income													2,733,000	(884,000)	2,810,000
Income before income taxes													326,016,000	284,605,000	14,761,000
Assets	3,559,607,000							2,889,878,000					3,559,607,000	2,889,878,000	2,843,531,000			1,383,007,000		408,702,000		408,857,000	3,123,998,000	2,149,127,000	2,141,874,000																	435,609,000	740,751,000	[8]	701,657,000	[8]
Goodwill	1,249,316,000							813,792,000					1,249,316,000	813,792,000	820,824,000			635,759,000		201,866,000		197,719,000
Capital expenditures													29,461,000	29,308,000	34,737,000			4,670,000		4,263,000		4,652,000	29,311,000	28,662,000	34,302,000																	150,000	646,000		435,000
Depreciation and amortization													54,837,000	57,263,000	62,943,000			17,537,000		14,226,000		15,283,000	52,517,000	55,541,000	61,151,000																	2,320,000	1,722,000		1,792,000
Restructuring charge				160,000		3,556,000				14,747,000			18,500,000	18,463,000	0																	25,000																3,355,000
Acquisition costs associated with the potential acquisition of MEI													$ 22,800,000													$ 10,170	$ 2,854	$ 6,853	$ 2,888	$ 22,000		$ 3,874,000															$ 1,100,000

[1] Includes the impact of item (i), $3,556 of restructuring charges, $460 pension curtailment charge, and $3,874 non-deductible acquisition costs associated with the acquisition of MEI.

[2] Includes the impact of item (e) cited above, net of tax and $1,240 withholding taxes related to acquisition funding.

[3] Includes $2,888 of acquisition transaction costs.

[4] Includes $18,276 gain on divestiture, net of tax.

[5] Includes acquisition related inventory and backlog amortization of $4,654 and acquisition costs of $1.1 million in 2013 both of which are associated with the acquisition of MEI and restructuring charges of $3,355 in 2012

[6] Includes $21,700 and $3,874 of acquisition costs associated with the acquisition of MEI in 2013 and 2012, respectively.

[7] Includes restructuring charges of $25 in 2012

[8] Net sales and assets by geographic region are based on the location of the business unit.