Product Warranty Liabilities

6 Months Ended

Jun. 30, 2013

Product Warranties Disclosures [Abstract]

Product Warranty Liabilities

12. Product Warranty Liabilities

The Company provides for the estimated cost of product warranties at the time revenue is recognized based primarily on historical return rates, estimates of the eligible tire population and the value of tires to be replaced. The following table summarizes the activity in the Company’s product warranty liabilities:

	2012			2013
Reserve at January 1	$	27,400		$	30,139
Additions		13,104			9,712
Payments		(10,134	)		(9,323	)
Reserve at June 30	$	30,370		$	30,528