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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Cash flows from operating activities:    
Net income (loss) $ (17,639) $ 21,677
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 15,459 15,615
Amortization of debt costs 540 1,556
Provision for doubtful accounts 4,225 5,919
Deferred income taxes (223) (5,342)
Share-based compensation 4,714 4,834
Impairment of goodwill 19,193  
Gain on sale of Breg, Inc.   (1,261)
Income tax benefit on employee stock-based awards 795  
Excess income tax benefit on employee stock-based compensation (82) (2,321)
Other (520) (3,353)
Change in operating assets and liabilities, net of effect of disposition:    
Trade accounts receivable 27,758 (14,169)
Inventories (11,596) 325
Escrow receivable   41,537
Prepaid expenses and other current assets 5,541 (771)
Trade accounts payable (8,028) 985
Charges related to U.S. Government resolutions   1,059
Other current liabilities 13,040 1,876
Long-term assets (313) (1,093)
Long-term liabilities (912) 1,322
Net cash provided by operating activities 51,952 68,395
Cash flows from investing activities:    
Capital expenditures for property, plant and equipment (19,427) (18,212)
Capital expenditures for intangible assets (4,525) (422)
Net proceeds from the sale of Breg, Inc.   153,773
Net cash provided by (used in) investing activities (23,952) 135,139
Cash flows from financing activities:    
Net proceeds from issuance of common shares 3,431 24,406
Repayments of long-term debt   (188,695)
Repayment of bank borrowings, net (16) (1,036)
Changes in restricted cash (1,371) (20,219)
Repurchase of treasury shares (39,494)  
Excess income tax benefit on employee stock-based awards 82 2,321
Net cash used in financing activities (37,368) (183,223)
Effect of exchange rate changes on cash 532 54
Net (decrease) increase in cash and cash equivalents (8,836) 20,365
Cash and cash equivalents at the beginning of the period 31,055 33,207
Cash and cash equivalents at the end of the period $ 22,219 $ 53,572