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Consolidated Cash Flow Statements (Unaudited) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
Oct. 02, 2011
Cash flows from operating activities:    
Net income $ 3,987 $ 6,584
Loss from discontinued operations (7,130) (450)
Income from continuing operations 11,117 7,034
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 9,141 10,791
Gain on sale of marketable securities (1,850) 0
Stock-based compensation expense 1,331 754
Deferred revenue recognized (5,919) (5,163)
Deferred loan costs recognized 58 153
Write-off of debt issuance costs 0 277
Gain on sale of assets (2,625) (4,189)
Provision for excess and obsolete inventory 629 564
Other noncash items 1,514 (2,186)
Contributions to pension plans (1,312) (753)
Change in operating assets and liabilities:    
Accounts receivable (887) (12,632)
Inventory (3,035) (6,346)
Prepaid expenses and other assets (638) 1,138
Accounts payable (5,507) 17,793
Accrued and other liabilities (930) 2,409
Net cash provided by operating activities 1,087 9,644
Cash flows from investing activities:    
Capital expenditures, net (4,106) (3,827)
Proceeds from sale of marketable securities 1,271 0
Proceeds from sale of assets 4,542 4,637
Others 0 44
Net cash provided by investing activities 1,707 854
Cash flows from financing activities:    
Repayment of former Revolving Credit Agreement 0 (10,000)
Repayment of former Senior Notes 0 (13,305)
Net change in debt under revolving credit agreements (2,000) 12,500
Payments for deferred loan costs 0 (387)
Common stock repurchases (575) 0
Indirect repurchase of shares for minimum statutory tax withholdings (511) (435)
Cash dividends paid (801) 0
Proceeds from the issuance of common stock 1 64
Net cash used in financing activities (3,886) (11,563)
Net decrease in cash and cash equivalents (1,092) (1,065)
Cash and cash equivalents at beginning of period 18,173 16,592
Cash and cash equivalents at end of period $ 17,081 $ 15,527