Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Earning Per Share

Basic and diluted earnings per share for the three-month periods ended March 31, 2018 and 2017 are calculated as follows (in thousands, except per share amounts):

	Three Months Ended   March 31,
	2018		2017
Basic earnings per share
Numerator:
Net income attributable to Albemarle Corporation	$	131,760	$	51,213
Denominator:
Weighted-average common shares for basic earnings per share	110,681		111,986
Basic earnings per share	$	1.19	$	0.46
Diluted earnings per share
Numerator:
Net income attributable to Albemarle Corporation	$	131,760	$	51,213
Denominator:
Weighted-average common shares for basic earnings per share	110,681		111,986
Incremental shares under stock compensation plans	1,186		1,303
Weighted-average common shares for diluted earnings per share	111,867		113,289
Diluted earnings per share	$	1.18	$	0.45