Goodwill, Intangible Assets and Deferred Financing Costs - Changes in Goodwill (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Cumulative goodwill impairment	$ 265,900,000	$ 265,900,000
Goodwill Activity
Balance	68,975,000us-gaap_Goodwill	61,127,000us-gaap_Goodwill
Goodwill impairment	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Foreign currency translations	(7,048,000)us-gaap_GoodwillTranslationAdjustments	7,848,000us-gaap_GoodwillTranslationAdjustments
Balance	61,927,000us-gaap_Goodwill	68,975,000us-gaap_Goodwill
Machine Clothing
Goodwill Activity
Balance	49,444,000	41,779,000
Goodwill impairment	0	0
Foreign currency translations	(6,075,000)	7,665,000
Balance	43,369,000	49,444,000
Roll Covers
Goodwill Activity
Balance	19,531,000	19,348,000
Goodwill impairment	0	0
Foreign currency translations	(973,000)	183,000
Balance	$ 18,558,000	$ 19,531,000

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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