Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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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)
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Goodwill and Other Intangible Assets - Amortization of the Company's Acquired Intangible Assets other than Goodwill (Detail) - USD ($) $ in Thousands	Jul. 07, 2016	Sep. 30, 2016	Dec. 31, 2015
Amortized intangible assets
Gross Carrying Amount		$ 32,914	$ 10,432
Accumulated Amortization		(5,851)	(5,033)
Texel
Amortized intangible assets
Intangible assets acquired	$ 22,900
Customer Relationships
Amortized intangible assets
Gross Carrying Amount		22,875	2,412
Accumulated Amortization		(891)	(411)
Customer Relationships \| Texel
Amortized intangible assets
Intangible assets acquired	$ 20,800
Weighted average useful lives of acquired assets	14 years
Patents
Amortized intangible assets
Gross Carrying Amount		4,259	4,137
Accumulated Amortization		(3,460)	(3,272)
Technology
Amortized intangible assets
Gross Carrying Amount		2,500	2,500
Accumulated Amortization		(435)	(310)
Trade Names
Amortized intangible assets
Gross Carrying Amount		2,276	220
Accumulated Amortization		(246)	(82)
Trade Names \| Texel
Amortized intangible assets
Intangible assets acquired	$ 2,100
Weighted average useful lives of acquired assets	5 years
License Agreements
Amortized intangible assets
Gross Carrying Amount		611	771
Accumulated Amortization		(611)	(771)
Other
Amortized intangible assets
Gross Carrying Amount		393	392
Accumulated Amortization		$ (208)	$ (187)