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Schedule of Gross Carrying Value and Accumulated Amortization for Each Major Class of Intangible Asset (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | $ 429,063 | $ 387,740
Intangible assets - Gross Carrying Amount | 491,163 | 496,848
Amortized intangible assets - Accumulated Amortization | (149,791) | (114,626)
Amortized intangible assets - Net | 279,272 | 273,114
Intangible assets - Net | 341,372 | 382,222
Patents |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 10,650 | 11,506
Amortized intangible assets - Accumulated Amortization | (4,273) | (4,315)
Amortized intangible assets - Net | 6,377 | 7,191
Amortized intangible assets - Weighted Average Life | 11 years |
Trade Names |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 103,113 | 72,823
Amortized intangible assets - Accumulated Amortization | (21,603) | (18,205)
Amortized intangible assets - Net | 81,510 | 54,618
Amortized intangible assets - Weighted Average Life | 16 years |
Customer Relationships |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 230,196 | 221,076
Amortized intangible assets - Accumulated Amortization | (93,273) | (69,280)
Amortized intangible assets - Net | 136,923 | 151,796
Amortized intangible assets - Weighted Average Life | 10 years |
Non-Compete Agreements |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 3,505 | 4,801
Amortized intangible assets - Accumulated Amortization | (2,827) | (4,053)
Amortized intangible assets - Net | 678 | 748
Amortized intangible assets - Weighted Average Life | 3 years |
Unpatented technology and other |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 74,758 | 70,741
Amortized intangible assets - Accumulated Amortization | (24,211) | (15,617)
Amortized intangible assets - Net | 50,547 | 55,124
Amortized intangible assets - Weighted Average Life | 11 years |
Other Amortizable Intangible Assets |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 6,841 | 6,793
Amortized intangible assets - Accumulated Amortization | (3,604) | (3,156)
Amortized intangible assets - Net | 3,237 | 3,637
Amortized intangible assets - Weighted Average Life | 10 years |
Banjo Trade Name |  |
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 and Melles Griot trade names |  |
Goodwill And Intangible Assets [Line Items] |  |
Indefinite lived intangible assets - Gross Carrying Amount |  | 47,008
Indefinite lived intangible assets - Net |  | $ 47,008

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