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Earnings Per Share - Schedule of Computations of Weighted Average Shares Outstanding (Non-Printing) (Detail) - shares shares in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018
Share Based Awards |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Potentially dilutive restricted share awards excluded from computation of diluted EPS (in shares) | 0.8 | 0.9

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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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- Details
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