Quarterly report pursuant to Section 13 or 15(d)

Summary of Changes in Stockholders Equity (Parenthetical) (Detail)

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Summary of Changes in Stockholders Equity (Parenthetical) (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
Shareholders Equity [Line Items]  
Impact of adoption of ASU 2020-06, net of deferred taxes $ 23.8