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v3.19.1

Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Numerator |  |
Net (loss) income attributable to Wabtec shareholders | $ (4,472) | $ 88,366
Less: dividends declared - common shares and non-vested restricted stock | (11,687) | (11,531)
Undistributed earnings | $ (16,159) | $ 76,835
Percentage allocated to common shareholders (as a percent) | 99.70% | 99.70%
Undistributed earnings allocated to common shareholders | $ (16,111) | $ 76,604
Add: dividends declared - common shares | 11,646 | 11,497
Numerator for basic and diluted earnings per common share | $ (4,465) | $ 88,101
Denominator |  |
Basic weighted average common shares outstanding (in shares) | 121,226 | 95,810
Assumed conversion of dilutive stock-based compensation plans (in shares) | 0 | 561
Denominator for diluted earnings per common share - adjusted weighted average shares and assumed conversion (in shares) | 121,226 | 96,371
Net income attributable to Wabtec shareholders per common share |  |
Basic (in dollars per share) | $ (0.04) | $ 0.92
Diluted (in dollars per share) | $ (0.04) | $ 0.92
Basic weighted-average common shares outstanding and non-vested restricted stock expected to vest (in shares) | 121,565 | 96,091

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