Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Nature of Operations and Summary of Significant Accounting Policies (Narrative) (Details)

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Nature of Operations and Summary of Significant Accounting Policies (Narrative) (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
USD ($)
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Number of operating segments | item     1    
Accounts Receivable and Net investment in sales-type leases          
Allowance for doubtful accounts receivable $ 675   $ 675 $ 1,025  
Allowance for doubtful accounts due to investment in sales-type leases 682   682 452  
Inventories          
Inventory write-downs for obsolescence and excess inventories 9,824   9,824 5,370  
Property, Plant and Equipment          
Impairment charges     10,500    
Goodwill          
Goodwill impairment $ 96,500 $ 695,500 942,408 102,470
Other Intangible Assets          
Impairment of Intangible Assets (Excluding Goodwill)     260,300 11,600  
Impairment charges of indefinite-life intangible assets     18,200 3,000  
Advertising costs     $ 23,500 $ 23,500 $ 13,500
Research and Development Costs          
Maximum additional tax rate on distribution of dividends     10.00%    
Settlement percentage     50.00%    
Vesting period     4 years    
Stock-Based Compensation          
Expected dividend rate (as a percent)     0.00%    
Business Combinations          
Maximum measurement period of revision of consideration transferred     1 year