Goodwill And Intangible Assets (Schedule Of Gross Carrying Value And Accumulated Amortization For Each Major Class Of Intangible Asset) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	$ 387,740,000	$ 301,264,000
Amortizable intangible assets - Accumulated Amortization	(114,626,000)	(81,972,000)
Amortizable intangible assets - Net	273,114,000	219,292,000
Intangible assets - Gross Carrying Amount	496,848,000	363,364,000
Intangible assets - Accumulated Amortization	(114,626,000)	(81,972,000)
Intangible assets - Net	382,222,000	281,392,000
Amortization of intangible assets	35,504,000	25,741,000	24,496,000
Amortization expense, year one	39,900,000
Amortization expense, year two	39,900,000
Amortization expense, year three	39,900,000
Amortization expense, year four	39,900,000
Amortization expense, year five	39,900,000
Patents [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	11,506,000	9,906,000
Amortizable intangible assets - Accumulated Amortization	(4,315,000)	(5,052,000)
Amortizable intangible assets - Net	7,191,000	4,854,000
Amortizable intangible assets - Weighted Average Life, Years	11
Trade Names [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	72,823,000	69,043,000
Amortizable intangible assets - Accumulated Amortization	(18,205,000)	(13,769,000)
Amortizable intangible assets - Net	54,618,000	55,274,000
Amortizable intangible assets - Weighted Average Life, Years	17
Customer Relationships [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	221,076,000	169,065,000
Amortizable intangible assets - Accumulated Amortization	(69,280,000)	(47,686,000)
Amortizable intangible assets - Net	151,796,000	121,379,000
Amortizable intangible assets - Weighted Average Life, Years	10
Non-Compete Agreements [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	4,801,000	4,087,000
Amortizable intangible assets - Accumulated Amortization	(4,053,000)	(3,501,000)
Amortizable intangible assets - Net	748,000	586,000
Amortizable intangible assets - Weighted Average Life, Years	2
Unpatented Technology And Other [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	70,741,000	43,206,000
Amortizable intangible assets - Accumulated Amortization	(15,617,000)	(9,407,000)
Amortizable intangible assets - Net	55,124,000	33,799,000
Amortizable intangible assets - Weighted Average Life, Years	11
Other Amortizable Intangible Assets [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	6,793,000	5,957,000
Amortizable intangible assets - Accumulated Amortization	(3,156,000)	(2,557,000)
Amortizable intangible assets - Net	3,637,000	3,400,000
Amortizable intangible assets - Weighted Average Life, Years	10
Banjo Trade Name [Member]
Goodwill And Intangible Assets [Line Items]
Indefinite lived intangible assets - Gross Carrying Amount	62,100,000	62,100,000
Indefinite lived intangible assets - Net	62,100,000	62,100,000
CVI Melles Griot Trade Name [Member]
Goodwill And Intangible Assets [Line Items]
Indefinite lived intangible assets - Gross Carrying Amount	47,008,000
Indefinite lived intangible assets - Net	$ 47,008,000