Additional undiscounted in contingent consideration earnout payments

No definition available.

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- Definition

Changes in revenue projection.

+ References

No definition available.

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- Definition

Summary Of Significant Accounting Policies [Line Items]

+ References

No definition available.

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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Fair Value Measurement - Additional Information (Detail) - USD ($)				9 Months Ended
	Sep. 30, 2021	Sep. 20, 2021	Sep. 16, 2021	Sep. 30, 2021	Dec. 31, 2020	Jul. 31, 2019
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents	$ 621,098,000			$ 621,098,000	$ 717,292,000
Money Market Funds [Member] \| Fair Value, Inputs, Level 1 [Member]
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents	448,900,000			$ 448,900,000	549,000,000.0
0.375% Convertible Senior Notes due 2024
Summary Of Significant Accounting Policies [Line Items]
Principal amount						$ 287,500,000
Notes, due date				Jul. 15, 2024
Notes, frequency of periodic payment				semi-annually
Total convertible senior notes	252,300,000			$ 252,300,000	243,700,000
Fair value of convertible senior notes	732,900,000			732,900,000	$ 501,000,000.0
Senior convertible notes						0.375%
Avitide, Inc.
Summary Of Significant Accounting Policies [Line Items]
Upfront payment		$ 150,000,000.0	$ 75,000,000.0
Business combination contingent consideration			$ 80,000,000.0	$ 79,962,000
Additional undiscounted in contingent consideration earnout payments		$ 125,000,000.0
Changes in revenue projection	$ 0