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Senior Notes - Additional Information (Detail) - 4.625% Senior Notes Due 2022 [Member] $ in Millions | 1 Months Ended
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Mar. 31, 2020 USD ($)
Debt Instrument [Line Items] |
Repayment of debt | $ 200.0
Debt instrument, interest rate | 4.625%
Debt instrument maturity year | 2022
Other (Expense) Income, Net [Member] |
Debt Instrument [Line Items] |
Payment of make-whole amount on debt | $ 16.6

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