Guarantor and Non-guarantor Financial Statements, Condensed Consolidated Balance Sheets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Guarantor and Non-guarantor Financial Statements [Abstract]
Percentage of ownership in domestic subsidiaries (in hundredths)	100.00%
ASSETS
Cash and cash equivalents	$ 17,570	$ 29,773	$ 21,640	$ 33,426
Customer and other receivables, net	82,665	63,570
Intercompany receivable	0	0
Inventories	41,963	43,065
Other current assets	13,132	13,472
Total current assets	155,330	149,880
Property, plant, and equipment, net	207,948	212,183
Goodwill	100,697	100,697
Intangible assets, net	115,924	117,963	123,411	125,430
Investments in and advances to subsidiaries and affiliates	0	0
Deferred income taxes	2,713
Other non-current assets	16,279	17,699
TOTAL	598,891	598,422
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	65,051	56,452
Intercompany payable	0	0
Accrued payroll and compensation	7,898	10,620
Accrued interest payable	5,122	12,428
Accrued and other liabilities	16,359	17,571
Total current liabilities	94,430	97,071
Long term debt	326,497	323,234
Deferred and non-current income taxes	23,188	21,371
Other non-current liabilities	122,987	125,943
Stockholders' equity	31,789	30,803	58,890	61,884
TOTAL	598,891	598,422
Eliminations [Member]
ASSETS
Cash and cash equivalents	0	0	0	0
Customer and other receivables, net	0	403
Intercompany receivable	(269,795)	(249,413)
Inventories	(301)	(403)
Other current assets	0	0
Total current assets	(270,096)	(249,413)
Property, plant, and equipment, net	0	0
Goodwill	0	0
Intangible assets, net	0	0
Investments in and advances to subsidiaries and affiliates	(134,517)	(128,372)
Deferred income taxes	(39,168)
Other non-current assets	0	0
TOTAL	(443,781)	(377,785)
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	0	0
Intercompany payable	(270,096)	(249,413)
Accrued payroll and compensation	0	0
Accrued interest payable	0	0
Accrued and other liabilities	0	0
Total current liabilities	(270,096)	(249,413)
Long term debt	0	0
Deferred and non-current income taxes	(39,168)	0
Other non-current liabilities	0	0
Stockholders' equity	(134,517)	(128,372)
TOTAL	(443,781)	(377,785)
Parent [Member]
ASSETS
Cash and cash equivalents	13,266	22,710	16,922	31,018
Customer and other receivables, net	49,841	35,630
Intercompany receivable	0	191,272
Inventories	19,613	18,693
Other current assets	7,330	4,970
Total current assets	90,050	273,275
Property, plant, and equipment, net	77,814	78,603
Goodwill	96,283	96,283
Intangible assets, net	113,468	115,465
Investments in and advances to subsidiaries and affiliates	134,517	128,372
Deferred income taxes	39,168
Other non-current assets	6,130	3,118
TOTAL	557,430	695,116
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	17,981	15,209
Intercompany payable	70,129	249,407
Accrued payroll and compensation	630	4,002
Accrued interest payable	5,122	12,428
Accrued and other liabilities	3,769	4,183
Total current liabilities	97,631	285,229
Long term debt	326,497	323,234
Deferred and non-current income taxes	87,300	41,775
Other non-current liabilities	14,213	14,075
Stockholders' equity	31,789	30,803
TOTAL	557,430	695,116
Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	0	0	0	0
Customer and other receivables, net	26,667	20,994
Intercompany receivable	186,757	5,086
Inventories	19,477	21,352
Other current assets	1,250	3,386
Total current assets	234,151	50,818
Property, plant, and equipment, net	99,003	101,648
Goodwill	4,414	4,414
Intangible assets, net	2,456	2,498
Investments in and advances to subsidiaries and affiliates	0	0
Deferred income taxes	0
Other non-current assets	345	3,774
TOTAL	340,369	163,152
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	35,974	31,931
Intercompany payable	172,638	0
Accrued payroll and compensation	6,107	5,458
Accrued interest payable	0	0
Accrued and other liabilities	9,803	10,060
Total current liabilities	224,522	47,449
Long term debt	0	0
Deferred and non-current income taxes	(25,918)	(20,736)
Other non-current liabilities	91,563	93,245
Stockholders' equity	50,202	43,194
TOTAL	340,369	163,152
Non-guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	4,304	7,063	4,718	2,408
Customer and other receivables, net	6,157	6,543
Intercompany receivable	83,038	53,055
Inventories	3,174	3,423
Other current assets	4,552	5,116
Total current assets	101,225	75,200
Property, plant, and equipment, net	31,131	31,932
Goodwill	0	0
Intangible assets, net	0	0
Investments in and advances to subsidiaries and affiliates	0	0
Deferred income taxes	2,713
Other non-current assets	9,804	10,807
TOTAL	144,873	117,939
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	11,096	9,312
Intercompany payable	27,329	6
Accrued payroll and compensation	1,161	1,160
Accrued interest payable	0	0
Accrued and other liabilities	2,787	3,328
Total current liabilities	42,373	13,806
Long term debt	0	0
Deferred and non-current income taxes	974	332
Other non-current liabilities	17,211	18,623
Stockholders' equity	84,315	85,178
TOTAL	$ 144,873	$ 117,939