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Share-Based Transactions - Summary of Activity Related to Stock Options Outstanding and Exercisable (Parenthetical) (Details) | 12 Months Ended
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Dec. 31, 2018 $ / shares
$41.20 (average term remaining - 5.1 years) Option [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Vested option exercise price | $ 41.20
Vested option exercise, average life | 5 years 1 month 6 days
$53.50 (average term remaining - 6.2 years) Option [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Vested option exercise price | $ 53.50
Vested option exercise, average life | 6 years 2 months 12 days
$41.88 (average term remaining - 7.1 years) Option [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Vested option exercise price | $ 41.88
Vested option exercise, average life | 7 years 1 month 6 days

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- Definition Share based compensation shares authorized under stock option plans exercise price range outstanding and exercisable options weighted average exercise price. + References No definition available. + Details
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- Definition Share based compensation shares authorized under stock option plans exercise price range outstanding and exercisable weighted average remaining contractual term. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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