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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Operating activities:      
Net income (loss) $ (62,550) $ (4,624) $ 6,937
Loss (income) from discontinued operations (167) 235 2,653
Income (loss) from continuing operations (62,717) (4,389) 9,590
Adjustments to reconcile net income (loss) from continuing operations to net cash (used in) provided by operating activities:      
Depreciation and amortization 7,134 5,704 6,306
Deferred income taxes 17,444 (1,837) 5,220
Stock based compensation (306) 61 1,915
Goodwill impairment (28,306) 0 0
Loss (gain) on disposal of property and equipment (3,721) 22 (1,701)
Settlement payment 0 0 (10,000)
Changes in operating assets and liabilities:      
Accounts receivable 10,426 (11,422) (4,678)
Inventories 4,145 (8,432) (3,539)
Prepaid expenses and other assets 1,909 2,035 2,118
Accounts payable and other liabilities (11,430) (6,719) 5,545
Other 1,555 2,069 549
Net cash (used in) provided by operating activities (7,255) (22,908) 11,325
Investing activities:      
Purchases of property, plant and equipment (18,501) (11,132) (10,048)
Proceeds related to sale of businesses, net 909 58 27,264
Proceeds from sale of property 12,278 0 2,027
Net cash (used in) provided by investing activities (5,314) (11,074) 19,243
Financing activities:      
Net borrowings on revolving line of credit 16,127 0 0
Dividends paid (3,084) (4,098) (2,216)
Payment of financing fees (631)   (32)
Net cash provided by (used in) financing activities 12,412 (4,098) (2,248)
Discontinued operations:      
Operating cash flows (319) (370) 3,463
Investing cash flows 0 0 (4)
Net cash (used in) provided by discontinued operations (319) (370) 3,459
Increase (decrease) in cash and cash equivalents (476) (38,450) 31,779
Cash and cash equivalents at beginning of year 2,116 40,566 8,787
Cash and cash equivalents at end of year $ 1,640 $ 2,116 $ 40,566