Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2015

Changes in stockholders' equity for the nine months ended September 30, 2015 and 2014 were as follows:



	Common Stock		Common Stock, Held in Treasury			Additional Paid-in Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Noncontrolling Interests			Total
Balances at December 31, 2014	$	1,347	$	(96,372	)	$	530,441		$	2,555,528		$	(79,433	)	$	290,377		$	3,201,888
Net income	—		—			—			535,041			—			13,847			548,888
Other comprehensive income (loss), net of income taxes:
Pension and other post- retirement benefits liability	—		—			—			—			1,190			—			1,190
Foreign currency translation adjustments	—		—			—			—			(43,746		)	—			(43,746		)
Net unrealized holding gains on investments	—		—			—			—			124			—			124
Common stock repurchased	—		(122,249		)	—			—			—			—			(122,249		)
Shares issued—stock- based compensation	—		1,079			(95		)	—			—			—			984
Stock-based compensation, net of tax on stock options exercised	—		—			9,996			—			—			—			9,996
Dividends paid	—		—			—			(67,852		)	—			—			(67,852		)
Distributions to noncontrolling interests	—		—			—			—			—			(10,982		)	(10,982		)
Noncontrolling interest in acquired business	—		—			—			—			—			1,597			1,597
Balances at September 30, 2015	$	1,347	$	(217,542	)	$	540,342		$	3,022,717		$	(121,865	)	$	294,839		$	3,519,838



	Common Stock		Common Stock, Held in Treasury			Additional Paid-in Capital		Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Noncontrolling Interests		Total
Balances at December 31, 2013	$	1,346	$	(46,220	)	$	511,432	$	1,954,661		$	(2,616	)	$	—	$	2,418,603
Net income	—		—			—		495,232			—			2,399		497,631
Other comprehensive income (loss), net of income taxes
Pension and other post- retirement benefits liability	—		—			—		—			383			—		383
Foreign currency translation adjustments	—		—			—		—			(37,882		)	—		(37,882		)
Net unrealized holding gains on investments	—		—			—		—			3,682			—		3,682
Common stock repurchased	—		(9,495		)	—		—			—			—		(9,495		)
Shares issued—stock- based compensation	1		2,467			3,034		—			—			—		5,502
Stock-based compensation, net of tax on stock options exercised	—		—			13,526		—			—			—		13,526
Dividends paid	—		—			—		(55,690		)	—			—		(55,690		)
Issuance of Westlake Chemical Partners LP common units	—		—			—		—			—			286,088		286,088
Balances at September 30, 2014	$	1,347	$	(53,248	)	$	527,992	$	2,394,203		$	(36,433	)	$	288,487	$	3,122,348

Schedule of Accumulated Other Comprehensive Loss

Changes in accumulated other comprehensive income (loss) by component for the nine months ended September 30, 2015 and 2014 were as follows:



	Benefits Liability, Net of Tax			Cumulative Foreign Currency Exchange			Net Unrealized Holding Gains on Investments, Net of Tax			Total
Balances at December 31, 2014	$	(23,442	)	$	(56,224	)	$	233		$	(79,433	)
Other comprehensive (loss) income before reclassifications	(128		)	(43,746		)	2,556			(41,318		)
Amounts reclassified from accumulated other comprehensive loss (income)	1,318			—			(2,432		)	(1,114		)
Net other comprehensive income (loss) for the period	1,190			(43,746		)	124			(42,432		)
Balances at September 30, 2015	$	(22,252	)	$	(99,970	)	$	357		$	(121,865	)



	Benefits Liability, Net of Tax			Cumulative Foreign Currency Exchange			Net Unrealized Holding Gains on Investments, Net of Tax			Total
Balances at December 31, 2013	$	(6,696	)	$	3,904		$	176		$	(2,616	)
Other comprehensive (loss) income before reclassifications	(39		)	(37,882		)	4,459			(33,462		)
Amounts reclassified from accumulated other comprehensive loss (income)	422			—			(777		)	(355		)
Net other comprehensive income (loss) for the period	383			(37,882		)	3,682			(33,817		)
Balances at September 30, 2014	$	(6,313	)	$	(33,978	)	$	3,858		$	(36,433	)

Reclassification out of Accumulated Other Comprehensive Income (Loss)

The following table provides the details of the amounts reclassified from accumulated other comprehensive income (loss) into net income in the consolidated statements of operations for the three and nine months ended September 30, 2015 and 2014:



Details about Accumulated Other Comprehensive Income (Loss) Components	Location of Reclassification (Income (Expense)) in Consolidated Statements of Operations	Three Months Ended September 30,						Nine Months Ended September 30,
		2015			2014			2015			2014
Amortization of pension and other post-retirement items
Prior service costs	(1)	$	—		$	(87	)	$	—		$	(261	)
Net loss	(1)	(692		)	(153		)	(2,019		)	(424		)
		(692		)	(240		)	(2,019		)	(685		)
	Provision for income taxes	241			92			701			263
		(451		)	(148		)	(1,318		)	(422		)
Net unrealized gains on available-for-sale investments
Realized gain on available-for-sale investments	Other income (expense), net	—			—			3,795			1,212
	Provision for income taxes	—			—			(1,363		)	(435		)
		—			—			2,432			777
Total reclassifications for the period		$	(451	)	$	(148	)	$	1,114		$	355

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(1)	These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost. For additional information, please read Note 10 (Employee Benefits) to the financial statements included in the 2014 Form 10-K.