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Supplemental Information
 12 Months Ended
Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Supplemental Information
Supplemental Information
Accrued Liabilities
Accrued liabilities were $155,245 and $181,460 at December 31, 2013 and 2012, respectively. Accrued rebates and accrued incentive compensation, which are components of accrued liabilities, were $26,399 and $32,374 at December 31, 2013, respectively, and $28,312 and $16,371 at December 31, 2012, respectively. No other component of accrued liabilities was more than five percent of total current liabilities.
Other Income, Net
 
 
Year Ended December 31,
 
 
2013
 
2012
 
2011
Management services
 
$
433

 
$
400

 
$
400

Interest income
 
3,086

 
4,010

 
2,865

Franchise taxes
 
(888
)
 
(664
)
 
(893
)
Income from equity method investments
 
4,914

 
1,444

 
2,890

Other
 
(755
)
 
(1,670
)
 
366

Other income, net
 
$
6,790

 
$
3,520

 
$
5,628


Cash Flow Information
 
 
Year Ended December 31,
 
 
2013
 
2012
 
2011
Cash paid for:
 
 
 
 
 
 
Interest paid, net of interest capitalized
 
$
16,426

 
$
42,266

 
$
48,431

Income taxes paid
 
251,599

 
179,882

 
126,283


Supplemental Noncash Investing Activities
In conjunction with the acquisition discussed in Note 18, liabilities assumed consist of the following:
Fair value of assets acquired
$
188,930

Cash paid
(178,309
)
Liabilities assumed
$
10,621