Goodwill And Intangible Assets (Schedule Of Gross Carrying Value And Accumulated Amortization For Each Major Class Of Intangible Asset) ( Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	$ 390,686	$ 301,264
Amortizable intangible assets - Accumulated Amortization	(105,847)	(81,972)
Amortizable intangible assets - Net	284,839	219,292
Intangible assets - Gross Carrying Amount	499,794	363,364
Intangible assets - Accumulated Amortization	(105,847)	(81,972)
Intangible assets - Net	393,947	281,392
Patents [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	11,360	9,906
Amortizable intangible assets - Accumulated Amortization	(4,090)	(5,052)
Amortizable intangible assets - Net	7,270	4,854
Amortizable intangible assets - Weighted Average Life	12
Trade Names [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	73,530	69,043
Amortizable intangible assets - Accumulated Amortization	(17,248)	(13,769)
Amortizable intangible assets - Net	56,282	55,274
Amortizable intangible assets - Weighted Average Life	14
Customer Relationships [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	223,608	169,065
Amortizable intangible assets - Accumulated Amortization	(63,829)	(47,686)
Amortizable intangible assets - Net	159,780	121,379
Amortizable intangible assets - Weighted Average Life	10
Non-Compete Agreements [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	4,809	4,087
Amortizable intangible assets - Accumulated Amortization	(3,874)	(3,501)
Amortizable intangible assets - Net	935	586
Amortizable intangible assets - Weighted Average Life	4
Unpatented Technology [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	71,422	43,206
Amortizable intangible assets - Accumulated Amortization	(13,799)	(9,407)
Amortizable intangible assets - Net	57,622	33,799
Amortizable intangible assets - Weighted Average Life	11
Other Amortizable Intangible Assets [Member]
Goodwill And Intangible Assets [Line Items]
Amortizable intangible assets - Gross Carrying Amount	5,957	5,957
Amortizable intangible assets - Accumulated Amortization	(3,007)	(2,557)
Amortizable intangible assets - Net	2,950	3,400
Amortizable intangible assets - Weighted Average Life	10
Banjo Trade Name [Member]
Goodwill And Intangible Assets [Line Items]
Indefinite lived intangible assets - Gross Carrying Amount	62,100	62,100
Indefinite lived intangible assets - Net	62,100	62,100
CVI Melles Griot Trade Name [Member]
Goodwill And Intangible Assets [Line Items]
Indefinite lived intangible assets - Gross Carrying Amount	47,008
Indefinite lived intangible assets - Net	$ 47,008