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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
OPERATING ACTIVITIES:    
Net income (loss) $ 6,109 $ 1,935
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities:    
Depreciation 4,542 5,128
Amortization, including accretion of debt discount 822 1,085
Deferred income taxes 320 301
Earnings of equity method investee (143) (189)
Loss on sale of fixed assets (67) (14)
Share-based compensation expense 960 3,325
Loss on disposal of business   168
Changes in operating assets and liabilities, net of effect of business acquisition:    
Accounts receivable, net (15,456) (15,821)
Inventories, net (5,658) (8,347)
Prepaid expenses and other assets (2,977) (2,501)
Accounts payable 13,932 11,938
Accrued expenses and other liabilities (1,252) (1,287)
Net cash provided by (used for) operating activities 1,132 (4,279)
INVESTING ACTIVITIES:    
Capital expenditures (6,817) (8,490)
Proceeds from sale of fixed assets 81 17
Net cash used for investing activities (6,736) (8,473)
FINANCING ACTIVITIES:    
Proceeds from issuance of debt 2,922 2,073
Repayments of debt (2,816) (5,245)
Other financing costs   (35)
Repurchase of Common Shares to satisfy employee tax withholding (1,344) (1,181)
Net cash used for financing activities (1,238) (4,388)
Effect of exchange rate changes on cash and cash equivalents 854 (2,012)
Net change in cash and cash equivalents (5,988) (19,152)
Cash and cash equivalents at beginning of period 54,361 43,021
Cash and cash equivalents at end of period 48,373 23,869
Supplemental disclosure of cash flow information:    
Cash paid for interest 1,391 1,241
Cash paid for income taxes, net 549 760
Supplemental disclosure of non-cash financing activities:    
Bank payment of vendor payables under short-term debt obligations $ 704 $ 582