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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Calculation of Basic and Diluted Earnings Per Share
Basic and diluted earnings per share from continuing operations are calculated as follows (in thousands, except per share amounts):
 
Year Ended December 31,
 
2014
 
2013
 
2012
Basic earnings per share from continuing operations
 
 
 
 
 
Numerator:
 
 
 
 
 
Net income from continuing operations
$
230,437

 
$
435,726

 
$
325,846

Net income from continuing operations attributable to noncontrolling interests
(27,590
)
 
(26,663
)
 
(18,591
)
Net income from continuing operations attributable to Albemarle Corporation
$
202,847

 
$
409,063

 
$
307,255

Denominator:
 
 
 
 
 
Weighted-average common shares for basic earnings per share
78,696

 
83,839

 
89,189

Basic earnings per share from continuing operations
$
2.57

 
$
4.88

 
$
3.44

Diluted earnings per share from continuing operations
 
 
 
 
 
Numerator:
 
 
 
 
 
Net income from continuing operations
$
230,437

 
$
435,726

 
$
325,846

Net income from continuing operations attributable to noncontrolling interests
(27,590
)
 
(26,663
)
 
(18,591
)
Net income from continuing operations attributable to Albemarle Corporation
$
202,847

 
$
409,063

 
$
307,255

Denominator:
 
 
 
 
 
Weighted-average common shares for basic earnings per share
78,696

 
83,839

 
89,189

Incremental shares under stock compensation plans
406

 
483

 
695

Weighted-average common shares for diluted earnings per share
79,102

 
84,322

 
89,884

Diluted earnings per share from continuing operations
$
2.57

 
$
4.85

 
$
3.42