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Summary of Significant Accounting Policies (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Revisions [Abstract]      
Deferred Tax Assets, Current, Increase (Decrease) in Prior Period Balance Adjustment   $ 10,800,000  
Deferred Tax Assets, Noncurrent, Increase (Decrease) in Prior Period Balance Adjustment   17,300,000  
Deferred Tax Liabilities, Noncurrent, Increase (Decrease) in Prior Period Balance Adjustment   28,100,000  
Selling Expense, Increase (Decrease) in Prior Period Balance Adjustment     24,400,000
Revenues, Increase (Decrease) in Prior Period Balance Adjustment   37,400,000  
Inventories [Abstract]      
Reserves for obsolete inventory 5,900,000 5,500,000  
Raw materials 117,982,000 32,332,000  
Finished goods 221,687,000 103,542,000  
Inventories 339,669,000 135,874,000  
Revenue recognition [Abstract]      
Accrued reserve for product returns 11,000,000 6,200,000  
Sales returns 79,400,000 56,100,000 56,500,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract]      
Foreign currency translation adjustment, net of tax 47,600,000 54,700,000 61,500,000
Segment Reporting [Line Items]      
Total Assets 1,821,062,000 1,124,807,000  
Intercompany Receivables 68,652,000 36,850,000  
Fair value of financial instruments [Abstract]      
Long-term debt, fair value 188,300,000 199,500,000  
Advertising expense [Abstract]      
Advertising expense incurred 11,300,000 5,100,000 2,300,000
Research and development [Abstract]      
Research and development expense 18,000,000 14,900,000 13,600,000
Deferred tax assets and liabilities [Abstract]      
Net deferred tax assets 67,200,000 31,380,000  
Reconciliation of Unrecognized Tax Benefits [Abstract]      
Gross Balance, Beginning 9,045,000 7,387,000 14,821,000
Decreases related to prior year tax positions 0 0 (7,138,000)
Increases related to current year tax positions 1,188,000 2,430,000 1,415,000
Settlements (1,671,000) 0 (499,000)
Decreases due to lapse of statutes of limitations (1,086,000) (854,000) (1,255,000)
Currency adjustments 8,000 82,000 43,000
Gross Balance, Ending 7,484,000 9,045,000 7,387,000
Unrecognized tax benefits that would impact effective tax rate 2,100,000 3,800,000  
Estimate of change in gross unrecognized tax benefits, net of foreign adjustments, minimum 2,000,000    
Estimate of change in gross unrecognized tax benefits, net of foreign currency adjustments, maximum 3,000,000    
Interest and penalties expenses/(benefits) (100,000) 300,000 (800,000)
Accrued interest and penalties related to uncertain tax positions 900,000 1,100,000 800,000
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]      
Cumulative translation adjustment related to foreign currency adjustment 47,500,000 53,700,000  
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax (10,500,000) 7,300,000 (900,000)
General and Administrative Expense [Member]
      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Total compensation expense related to equity compensation plans 32,600,000 21,400,000 15,500,000
VENEZUELA
      
Segment Reporting [Line Items]      
Net sales revenue as percentage of consolidated net sales revenue (in hundredths) 11.00% 7.00% 3.00%
Total Assets 38,800,000 15,600,000  
Intercompany Receivables $ 37,900,000 $ 15,600,000  
Building [Member]
      
Property and equipment [Abstract]      
Useful life 39 years    
Furniture and Fixtures [Member] | Minimum [Member]
      
Property and equipment [Abstract]      
Useful life 5 years    
Furniture and Fixtures [Member] | Maximum [Member]
      
Property and equipment [Abstract]      
Useful life 7 years    
Computer Equipment [Member] | Minimum [Member]
      
Property and equipment [Abstract]      
Useful life 3 years    
Computer Equipment [Member] | Maximum [Member]
      
Property and equipment [Abstract]      
Useful life 5 years    
Leasehold Improvements [Member]
      
Property and equipment [Abstract]      
Estimated useful life description Shorter of estimated useful life or lease term    
Scanners [Member]
      
Property and equipment [Abstract]      
Useful life 3 years    
Vehicles [Member] | Minimum [Member]
      
Property and equipment [Abstract]      
Useful life 3 years    
Vehicles [Member] | Maximum [Member]
      
Property and equipment [Abstract]      
Useful life 5 years