Business Segments - Information on Operating Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Net sales	$ 782,368	$ 920,082	$ 2,197,355	$ 2,605,225
Operating Profit	82,167	89,375	251,949	246,875
Interest expense	(5,889)	(7,050)	(18,485)	(20,960)
Interest income	533	305	1,609	1,088
Other non-operating income (expense)	1,362	(1,253)	3,034	(787)
Income before income taxes	78,173	81,377	238,107	226,216
Americas Tire [Member]
Segment Reporting Information [Line Items]
Net sales	688,982	677,444	1,929,222	1,846,403
Operating Profit	102,475	75,618	301,039	209,080
International Tire [Member]
Segment Reporting Information [Line Items]
Net sales	93,386	242,638	268,133	758,822
Operating Profit	(5,329)	22,787	(11,755)	72,394
Eliminations - Intercompany [Member]
Segment Reporting Information [Line Items]
Net sales	(38,995)	(87,271)	(127,491)	(241,622)
Operating Profit	437	(1,118)	2,749	(2,376)
Eliminations - Intercompany [Member] | Americas Tire [Member]
Segment Reporting Information [Line Items]
Net sales	13,478	16,494	44,771	50,263
Eliminations - Intercompany [Member] | International Tire [Member]
Segment Reporting Information [Line Items]
Net sales	25,517	70,777	82,720	191,359
Operating Segments [Member] | Americas Tire [Member]
Segment Reporting Information [Line Items]
Net sales	702,460	693,938	1,973,993	1,896,666
Operating Segments [Member] | International Tire [Member]
Segment Reporting Information [Line Items]
Net sales	118,903	313,415	350,853	950,181
Corporate [Member]
Segment Reporting Information [Line Items]
Operating Profit	$ (15,416)	$ (7,912)	$ (40,084)	$ (32,223)