Goodwill And Other Intangible Assets (Components Of The Company's Identifiable Intangible Assets) (Details) (USD $)	6 Months Ended
	Jun. 30, 2011		Dec. 31, 2010
Cost	$ 337,324,000		$ 289,123,000
Accumulated Amortization	(106,389,000)		(94,219,000)
Net	230,935,000		194,904,000
All other included in-process research and development which is indefinite lived	300,000
Completed Technology [Member]
Weighted Average Life	12 years
Cost	72,133,000		69,261,000
Accumulated Amortization	(32,293,000)		(28,062,000)
Net	39,840,000		41,199,000
Customer Relationships [Member]
Weighted Average Life	12 years
Cost	142,954,000		99,290,000
Accumulated Amortization	(51,969,000)		(45,505,000)
Net	90,985,000		53,785,000
Trademarks/ Brand Names [Member]
Weighted Average Life	35 years
Cost	33,976,000		33,448,000
Accumulated Amortization	(9,179,000)		(8,467,000)
Net	24,797,000		24,981,000
Trademarks /Brand Names Indefinite [Member]
Weighted Average Life	Indefinite
Cost	48,484,000		49,384,000
Accumulated Amortization
Net	48,484,000		49,384,000
Supplier Relationships [Member]
Weighted Average Life	30 years
Cost	29,300,000		29,300,000
Accumulated Amortization	(5,014,000)		(4,525,000)
Net	24,286,000		24,775,000
All Other [Member]
Weighted Average Life	15 years	[1]
Cost	10,477,000	[1]	8,440,000	[1]
Accumulated Amortization	(7,934,000)	[1]	(7,660,000)	[1]
Net	$ 2,543,000	[1]	$ 780,000	[1]

[1] At December 31, 2010 all other included in-process research and development of $0.3 million which was indefinite lived. During the second quarter of 2011, this asset was placed in service as a component of completed technology.