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Significant Accounting Policies - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2021
USD ($)
Segment
shares
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
shares
Significant Accounting Policies [Line Items]      
Number of operating segments | Segment 1    
Goodwill impairment losses $ 0 $ 0 $ 0
Deferred revenue 1,707,100,000 1,481,900,000  
Revenue expected to be recognized from remaining performance obligations 2,013,600,000 1,679,800,000  
Revenue expected to be recognized from remaining performance obligations, 2019 1,366,500,000    
Provision for estimated sales returns, rebates, stock rotations, and other customer rights $ 10,400,000 6,900,000  
Percentage of employee contributions contributed by employer towards employee benefit plan 50.00%    
Maximum percentage of employee's eligible compensation 6.00%    
Minimum percentage of tax benefit realized upon settlement 50.00%    
Advertising expenses $ 4,100,000 $ 3,700,000 $ 5,200,000
Anti-dilutive shares excluded from computation of earnings per share amount | shares 4.9 6.2 4.9
Trade receivables, net $ 597,800,000 $ 540,800,000  
Right of use assets 22,000,000.0    
Lease liabilities 23,300,000    
Rent expenses $ 8,100,000 13,100,000 $ 11,100,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Right of use assets    
Operating Lease, Liability, Statement of Financial Position [Extensible List] Lease liabilities    
Manufacturing partner and supplier liabilities      
Significant Accounting Policies [Line Items]      
Significant costs associated with exposure $ 0 0  
Other Long Term Assets      
Significant Accounting Policies [Line Items]      
Deferred commission 17,100,000 18,100,000  
Amortisation of contracted capitalised costs 11,600,000 15,300,000 13,100,000
Security Subscriptions and Software Updates and Maintenance      
Significant Accounting Policies [Line Items]      
Deferred revenue 1,108,600,000 1,011,900,000  
Foreign Exchange Forward Contracts | Not Designated as Hedging Instrument      
Significant Accounting Policies [Line Items]      
Derivative, notional amount 171,100,000 396,200,000  
Foreign Exchange Forward Contracts | Designated as Hedging Instrument | Cash Flow Hedging      
Significant Accounting Policies [Line Items]      
Derivative, notional amount 155,000,000.0 37,700,000  
Foreign Exchange Forward Contracts | Financial Income | Not Designated as Hedging Instrument      
Significant Accounting Policies [Line Items]      
Derivative, net gain (loss) (600,000) 24,800,000 16,700,000
Foreign Exchange Forward Contracts | Operating Expenses | Designated as Hedging Instrument | Cash Flow Hedging      
Significant Accounting Policies [Line Items]      
Derivative, net gain (loss) $ 1,100,000 $ 5,900,000 $ 1,300,000
Minimum      
Significant Accounting Policies [Line Items]      
Estimated useful lives of intangible assets 4 years    
Maximum      
Significant Accounting Policies [Line Items]      
Estimated useful lives of intangible assets 20 years