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Reconciliation Between Effective Income Tax Rate and Federal Statutory Rate (Detail)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Reconciliation of Effective Income Tax Rate [Line Items]      
Federal statutory rate 35.00% 35.00% 35.00%
State taxes, net of federal benefit 4.00% 2.00% 2.00%
Operations taxed at less than U.S. rate 5.00% [1] (9.00%) (2.00%)
Legal settlement, non-deductible portion 0.00% 0.00% 2.00%
Other, net (1.00%) 0.00% (1.00%)
Effective Income Tax Rate Reconciliation, Percent, Total 43.00% 28.00% 36.00%
[1] Reflects tax effects of litigation charges, net, which consist primarily of product liability claims incurred in a low tax jurisdiction.