Business Segment Information - Summarized Financial Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014 segment		Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Number of segments									2
Net sales	$ 130,967	$ 138,858	$ 139,723	$ 133,384	$ 133,721	$ 135,042	$ 138,324	$ 139,805	$ 542,932		$ 546,892		$ 538,740
Depreciation and amortization									34,292	[1]	36,403	[1]	40,838	[1]
Segment Earnings (Loss)	17,483	17,791	12,317	12,594	7,684	15,450	12,795	17,443	60,185		53,372		16,396
Total assets	594,044				624,064				594,044		624,064		618,843
Capital expenditures									45,218		44,145		21,705
Deferred financing cost amortization									3,303		2,963		3,424
Increase (decrease) due to prior period reclassification											2,200		2,100
Roll Covers
Segment Reporting Information [Line Items]
Segment Earnings (Loss)									41,172		41,256		34,365
Machine Clothing
Segment Reporting Information [Line Items]
Segment Earnings (Loss)									89,305		79,852		66,731
Machine Clothing | Segment Earnings
Segment Reporting Information [Line Items]
Increase (decrease) due to prior period reclassification											3,922		(3,847)
Operating Segments
Segment Reporting Information [Line Items]
Net sales									542,932		546,892		538,740
Operating Segments | Roll Covers
Segment Reporting Information [Line Items]
Net sales									195,929		194,556		184,568
Depreciation and amortization									9,666	[1]	10,133	[1]	10,852	[1]
Segment Earnings (Loss)									41,172		41,256	[2]	34,365	[2]
Total assets	222,355				229,105				222,355		229,105		224,288
Capital expenditures									10,918		10,029		7,314
Operating Segments | Machine Clothing
Segment Reporting Information [Line Items]
Net sales									347,003		352,336		354,172
Depreciation and amortization									23,457	[1]	26,148	[1]	29,818	[1]
Segment Earnings (Loss)									89,305		79,852	[2]	66,731	[2]
Total assets	475,945				497,109				475,945		497,109		490,283
Capital expenditures									22,964		18,799		14,026
Corporate
Segment Reporting Information [Line Items]
Net sales									0		0		0
Depreciation and amortization									1,169	[1]	122	[1]	168	[1]
Segment Earnings (Loss)									(14,508)		(13,783)	[2]	(11,868)	[2]
Total assets	670,988				712,704				670,988		712,704		698,944
Capital expenditures									11,336		15,317		365
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales									0		0		0
Depreciation and amortization									0	[1]	0	[1]	0	[1]
Segment Earnings (Loss)									0		0	[2]	0	[2]
Total assets	(775,244)				(814,854)				(775,244)		(814,854)		(794,672)
Capital expenditures									$ 0		$ 0		$ 0

[1] Depreciation and amortization excludes amortization of financing costs, included in interest expense of $3,303, $2,963, and $3,424 for 2014, 2013 and 2012, respectively.

[2] During 2014, the Company adopted a global policy for allocating overhead costs to segments. As a result of this change, segment earnings reclassifications were made to 2013 and 2012 to be on a consistent basis with 2014, increasing Clothing Segment Earnings and decreasing Rolls Segment Earnings by $3,922k and $3,847k for the years ending December 31, 2013 and December 31, 2012, respectively.