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Balances of Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Intangible Assets Excluding Goodwill [Line Items] |  |
Gross Intangible Assets | $ 205,501 | $ 206,045
Accumulated Amortization | (111,096) | (91,429)
Net Intangible Assets | $ 94,405 | $ 114,616
Tradenames and Trademarks |  |
Intangible Assets Excluding Goodwill [Line Items] |  |
Weighted Average Amortization Period | 20 years | 20 years
Gross Intangible Assets | $ 37,894 | $ 37,894
Accumulated Amortization | (11,864) | (9,970)
Net Intangible Assets | $ 26,030 | $ 27,924
Customer relationships |  |
Intangible Assets Excluding Goodwill [Line Items] |  |
Weighted Average Amortization Period | 10 years | 10 years
Gross Intangible Assets | $ 151,090 | $ 151,634
Accumulated Amortization | (92,686) | (76,340)
Net Intangible Assets | $ 58,404 | $ 75,294
Technology |  |
Intangible Assets Excluding Goodwill [Line Items] |  |
Weighted Average Amortization Period | 12 years | 12 years
Gross Intangible Assets | $ 16,517 | $ 16,517
Accumulated Amortization | (6,546) | (5,119)
Net Intangible Assets | $ 9,971 | $ 11,398

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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