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Fair Value Measurements - Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities | $ 76.4 | $ 227.7 |
Short-term investments | 76.4 | 227.7 |
Commercial Paper [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities | $ 41.8 |  |
Fair Value Measurements, Recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 230.5 | $ 63.7
Total assets |  | 350.6 | 318.4
Total liabilities |  | 5.6 | 20.5
Short-term investments |  | 76.4 | 227.7
Other current assets |  | 6.9 |
Total current assets |  | 313.8 | 291.4
Long-term investments |  | 6.2 | 6.5
Other assets |  | 30.6 | 20.5
Total long-term assets |  | 36.8 | 27.0
Fair Value Measurements, Recurring [Member] | Interest Rate Hedge [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivatives-interest rate hedge-non-current |  | 8.7 |
Derivatives – interest rate hedge – non-current |  | 5.0 | 14.0
Fair Value Measurements, Recurring [Member] | Foreign Exchange Contracts [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivatives-foreign exchange forward contracts |  | 3.5 |
Derivatives – forward exchange contracts |  | 0.6 | 6.5
Fair Value Measurements, Recurring [Member] | Derivatives Foreign Currency Options [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivatives-foreign currency options |  | 3.4 |
Fair Value Measurements, Recurring [Member] | Commercial Paper [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 0.1 | 0.3
Available-for-sale securities |  | 41.8 |
Fair Value Measurements, Recurring [Member] | Group Insurance Contracts [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities |  | 6.2 | 6.5
Fair Value Measurements, Recurring [Member] | Israeli Pension Assets [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Pension assets |  | 20.3 | 18.8
Fair Value Measurements, Recurring [Member] | Money Market Funds [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 55.4 | 1.3
Fair Value Measurements, Recurring [Member] | Time Deposits and Certificates of Deposit [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities |  | 22.0 | 0.7
Fair Value Measurements, Recurring [Member] | U.S. Treasury Obligations [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 175.0 | 62.1
Available-for-sale securities |  | 11.5 | 223.2
Fair Value Measurements, Recurring [Member] | U.S. Agency Obligations [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities |  | 0.6 |
Fair Value Measurements, Recurring [Member] | Bankers' Acceptance Drafts [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities |  | 0.5 | 3.8
Fair Value Measurements, Recurring [Member] | Mutual Funds and Exchange Traded Funds [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Deferred compensation plan assets |  | 1.6 | 1.7
Fair Value Measurements, Recurring [Member] | Other Current Liabilities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total liabilities |  | 0.6 | 6.5
Fair Value Measurements, Recurring [Member] | Other Noncurrent Liabilities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total liabilities |  | 5.0 | 14.0
Fair Value Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 55.4 | 1.3
Total assets |  | 55.4 | 1.3
Total current assets |  | 55.4 | 1.3
Fair Value Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Money Market Funds [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 55.4 | 1.3
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 175.1 | 62.4
Total assets |  | 295.2 | 317.1
Total liabilities |  | 5.6 | 20.5
Short-term investments |  | 76.4 | 227.7
Other current assets |  | 6.9 |
Total current assets |  | 258.4 | 290.1
Long-term investments |  | 6.2 | 6.5
Other assets |  | 30.6 | 20.5
Total long-term assets |  | 36.8 | 27.0
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Hedge [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivatives-interest rate hedge-non-current |  | 8.7 |
Derivatives – interest rate hedge – non-current |  | 5.0 | 14.0
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Foreign Exchange Contracts [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivatives-foreign exchange forward contracts |  | 3.5 |
Derivatives – forward exchange contracts |  | 0.6 | 6.5
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Derivatives Foreign Currency Options [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivatives-foreign currency options |  | 3.4 |
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Commercial Paper [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 0.1 | 0.3
Available-for-sale securities |  | 41.8 |
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Group Insurance Contracts [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities |  | 6.2 | 6.5
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Israeli Pension Assets [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Pension assets |  | 20.3 | 18.8
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Time Deposits and Certificates of Deposit [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities |  | 22.0 | 0.7
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Treasury Obligations [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents |  | 175.0 | 62.1
Available-for-sale securities |  | 11.5 | 223.2
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency Obligations [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities |  | 0.6 |
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Bankers' Acceptance Drafts [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Available-for-sale securities |  | 0.5 | 3.8
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mutual Funds and Exchange Traded Funds [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Deferred compensation plan assets |  | 1.6 | 1.7
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Current Liabilities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total liabilities |  | 0.6 | 6.5
Fair Value Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other Noncurrent Liabilities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total liabilities |  | $ 5.0 | $ 14.0

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