CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 17,570	$ 29,773
Customer receivables, net of allowance for doubtful accounts of $589 and $327 in 2015 and 2014, respectively	76,120	56,271
Other receivables	6,545	7,299
Inventories	41,963	43,065
Deferred income taxes	2,687	2,687
Prepaid expenses and other current assets	10,445	10,785
Total current assets	155,330	149,880
PROPERTY, PLANT AND EQUIPMENT, net	207,948	212,183
OTHER ASSETS:
Goodwill	100,697	100,697
Other intangible assets, net	115,924	117,963
Deferred financing costs, net of accumulated amortization of $5,434 and $5,077 in 2015 and 2014, respectively	4,655	5,012
Deferred income taxes	2,713	1,289
Pension asset	9,804	9,518
Other	1,820	1,880
TOTAL	598,891	598,422
CURRENT LIABILITIES:
Accounts payable	65,051	56,452
Accrued payroll and compensation	7,898	10,620
Accrued interest payable	5,122	12,428
Accrued workers compensation	2,945	3,137
Accrued and other liabilities	13,414	14,434
Total current liabilities	94,430	97,071
LONG-TERM DEBT	326,497	323,234
DEFERRED INCOME TAXES	16,654	14,837
NON-CURRENT INCOME TAXES PAYABLE	6,534	6,534
OTHER POSTRETIREMENT BENEFIT PLAN LIABILITY	80,844	82,157
PENSION BENEFIT PLAN LIABILITY	31,348	32,348
OTHER LIABILITIES	10,795	11,438
COMMITMENTS AND CONTINGENCIES (Note 6)
STOCKHOLDERS' EQUITY:
Preferred Stock, $0.01 par value; 10,000,000 shares authorized	0	0
Common Stock, $0.01 par value; 80,000,000 shares authorized, 47,929,789 and 47,718,818 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively, and additional paid-in-capital	442,931	442,631
Accumulated other comprehensive loss	(48,364)	(49,638)
Accumulated deficiency	(362,778)	(362,190)
Total stockholders' equity	31,789	30,803
TOTAL	$ 598,891	$ 598,422