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Equity and Stock-based Compensation - Stock Plans - Summary of Stock Option Transactions (Detail)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Outstanding, Beginning Balance, Shares | shares 9,290
Granted, Shares | shares 3,452
Exercised, Shares | shares (688)
Expired, Shares | shares (1,259)
Forfeited, Shares | shares (1,828)
Outstanding, Ending Balance, Shares | shares 8,967
Vested and expected to vest, Shares | shares 8,535
Exercisable, Shares | shares 5,241
Outstanding, Beginning Balance, Weighted Average Exercise per Share | $ / shares $ 32.94
Granted, Weighted Average Exercise per Share | $ / shares 35.58
Exercised, Weighted Average Exercise per Share | $ / shares 13.89
Expired, Weighted Average Exercise per Share | $ / shares 35.40
Forfeited, Weighted Average Exercise per Share | $ / shares 34.07
Outstanding, Ending Balance, Weighted Average Exercise per Share | $ / shares 34.84
Vested and expected to vest, Weighted Average Exercise per Share | $ / shares 34.76
Exercisable, Weighted Average Exercise per Share | $ / shares $ 32.80
Outstanding, Weighted Average Remaining Contractual Life 6 years 4 months 28 days
Vested and expected to vest, Weighted Average Remaining Contractual Life 6 years 3 months 10 days
Exercisable, Weighted Average Remaining Contractual Life 4 years 9 months 10 days
Outstanding, Aggregate Intrinsic Value | $ $ 2,622
Vested and expected to vest, Aggregate Intrinsic Value | $ 2,460
Exercisable, Aggregate Intrinsic Value | $ $ 1,408