Condensed Consolidated Balance Sheets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents	$ 2,564	$ 7,927	$ 2,295	$ 1,572
Accounts receivable, net	60,884	58,234
Intercompany receivables	0	0
Inventories	121,746	114,279
Prepaid expenses and other current assets	10,651	10,255
Deferred income taxes	3,913	3,913
Total current assets	199,758	194,608
Property, plant and equipment, net	101,458	99,482
Investments in subsidiaries	0	0
Goodwill	86,784	86,784
Intangible assets, net	49,851	50,940
Deferred income taxes	0	0
Other assets	10,162	10,622
Total assets	448,013	442,436
Accounts payable	22,362	21,755
Accrued expenses	20,586	26,072
Intercompany Payables	0	0
Deferred income taxes	0	0
Current installments of long-term debt and capital lease obligations	3,511	3,424
Total current liabilities	46,459	51,251
Long-term debt and capital lease obligations, less current installments	276,353	265,554
Other long-term liabilities	3,231	3,289
Deferred income taxes	4,294	4,207
Total long-term liabilities	283,878	273,050
Total shareholders’ equity	117,676	118,135
Total liabilities and shareholders' equity	448,013	442,436
LMIA(Guarantor Parent)
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents	1,986	7,058	958	405
Accounts receivable, net	1,322	1,310
Intercompany receivables	154,383	145,980
Inventories	0	0
Prepaid expenses and other current assets	8,141	8,325
Deferred income taxes	0	0
Total current assets	165,832	162,673
Property, plant and equipment, net	3,108	3,148
Investments in subsidiaries	372,460	368,587
Goodwill	0	0
Intangible assets, net	0	0
Deferred income taxes	118	118
Other assets	8,345	8,743
Total assets	549,863	543,269
Accounts payable	3,010	1,339
Accrued expenses	7,223	13,679
Intercompany Payables	164,415	164,158
Deferred income taxes	118	118
Current installments of long-term debt and capital lease obligations	273	335
Total current liabilities	175,039	179,629
Long-term debt and capital lease obligations, less current installments	256,653	245,174
Other long-term liabilities	495	331
Deferred income taxes	0	0
Total long-term liabilities	257,148	245,505
Total shareholders’ equity	117,676	118,135
Total liabilities and shareholders' equity	549,863	543,269
Guarantor Subsidiaries
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents	578	869	1,337	1,167
Accounts receivable, net	59,562	56,924
Intercompany receivables	138,443	145,223
Inventories	121,746	114,279
Prepaid expenses and other current assets	2,510	1,930
Deferred income taxes	4,031	4,031
Total current assets	326,870	323,256
Property, plant and equipment, net	98,350	96,334
Investments in subsidiaries	0	0
Goodwill	86,784	86,784
Intangible assets, net	49,851	50,940
Deferred income taxes	0	0
Other assets	1,817	1,879
Total assets	563,672	559,193
Accounts payable	19,352	20,416
Accrued expenses	13,363	12,393
Intercompany Payables	128,411	127,045
Deferred income taxes	0	0
Current installments of long-term debt and capital lease obligations	3,238	3,089
Total current liabilities	164,364	162,943
Long-term debt and capital lease obligations, less current installments	19,700	20,380
Other long-term liabilities	2,736	2,958
Deferred income taxes	4,412	4,325
Total long-term liabilities	26,848	27,663
Total shareholders’ equity	372,460	368,587
Total liabilities and shareholders' equity	563,672	559,193
Consolidating/Eliminating Entries
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents	0	0	0	0
Accounts receivable, net	0	0
Intercompany receivables	(292,826)	(291,203)
Inventories	0	0
Prepaid expenses and other current assets	0	0
Deferred income taxes	(118)	(118)
Total current assets	(292,944)	(291,321)
Property, plant and equipment, net	0	0
Investments in subsidiaries	(372,460)	(368,587)
Goodwill	0	0
Intangible assets, net	0	0
Deferred income taxes	(118)	(118)
Other assets	0	0
Total assets	(665,522)	(660,026)
Accounts payable	0	0
Accrued expenses	0	0
Intercompany Payables	(292,826)	(291,203)
Deferred income taxes	(118)	(118)
Current installments of long-term debt and capital lease obligations	0	0
Total current liabilities	(292,944)	(291,321)
Long-term debt and capital lease obligations, less current installments	0	0
Other long-term liabilities	0	0
Deferred income taxes	(118)	(118)
Total long-term liabilities	(118)	(118)
Total shareholders’ equity	(372,460)	(368,587)
Total liabilities and shareholders' equity	$ (665,522)	$ (660,026)