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Goodwill and Intangible Assets - Schedule of Gross Carrying Value and Accumulated Amortization for Each Major Class of Intangible Asset (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | $ 443,157 | $ 444,184
Intangible assets - Gross Carrying Amount | 505,257 | 506,284
Amortized intangible assets - Accumulated Amortization | (204,547) | (195,057)
Amortized intangible assets - Net | 238,610 | 249,127
Intangible assets - Net | 300,710 | 311,227
Patents |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 9,955 | 10,673
Amortized intangible assets - Accumulated Amortization | (4,658) | (5,179)
Amortized intangible assets - Net | 5,297 | 5,494
Amortized intangible assets - Weighted Average Life | 11 years |
Trade names |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 104,606 | 104,582
Amortized intangible assets - Accumulated Amortization | (29,939) | (28,310)
Amortized intangible assets - Net | 74,667 | 76,272
Amortized intangible assets - Weighted Average Life | 16 years |
Customer relationships |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 242,933 | 242,674
Amortized intangible assets - Accumulated Amortization | (127,878) | (121,092)
Amortized intangible assets - Net | 115,055 | 121,582
Amortized intangible assets - Weighted Average Life | 10 years |
Non-compete agreements |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 3,175 | 3,769
Amortized intangible assets - Accumulated Amortization | (2,744) | (3,272)
Amortized intangible assets - Net | 431 | 497
Amortized intangible assets - Weighted Average Life | 3 years |
Unpatented technology |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 75,489 | 75,528
Amortized intangible assets - Accumulated Amortization | (34,853) | (32,905)
Amortized intangible assets - Net | 40,636 | 42,623
Amortized intangible assets - Weighted Average Life | 11 years |
Other |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 6,999 | 6,958
Amortized intangible assets - Accumulated Amortization | (4,475) | (4,299)
Amortized intangible assets - Net | 2,524 | 2,659
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

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