Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Earning Per Share

Basic and diluted earnings per share for the three-month and six-month periods ended June 30, 2018 and 2017 are calculated as follows (in thousands, except per share amounts):

	Three Months Ended   June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
Basic earnings per share
Numerator:
Net income attributable to Albemarle Corporation	$	302,461	$	103,333	$	434,221	$	154,546
Denominator:
Weighted-average common shares for basic earnings per share	109,671		110,686		110,176		111,336
Basic earnings per share	$	2.76	$	0.93	$	3.94	$	1.39
Diluted earnings per share
Numerator:
Net income attributable to Albemarle Corporation	$	302,461	$	103,333	$	434,221	$	154,546
Denominator:
Weighted-average common shares for basic earnings per share	109,671		110,686		110,176		111,336
Incremental shares under stock compensation plans	988		1,419		1,087		1,361
Weighted-average common shares for diluted earnings per share	110,659		112,105		111,263		112,697
Diluted earnings per share	$	2.73	$	0.92	$	3.90	$	1.37