Business Segments - Information on Operating Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Net sales	$ 740,294	$ 751,781	$ 1,390,069	$ 1,414,987
Operating Profit	109,916	99,428	201,020	169,782
Interest expense	(6,286)	(6,240)	(12,921)	(12,597)
Interest income	948	514	1,888	1,075
Other non-operating income	1,427	1,592	2,888	1,672
Income before income taxes	106,005	95,294	192,875	159,932
Americas Tire [Member]
Segment Reporting Information [Line Items]
Net sales	641,037	658,193	1,208,199	1,240,237
Operating Profit	116,093	108,566	222,146	198,564
International Tire [Member]
Segment Reporting Information [Line Items]
Net sales	99,257	93,588	181,870	174,750
Operating Profit	3,152	(3,633)	1,380	(6,426)
Eliminations - Intercompany [Member]
Segment Reporting Information [Line Items]
Net sales	(38,105)	(46,086)	(70,894)	(88,496)
Operating Profit	(599)	277	(757)	2,312
Eliminations - Intercompany [Member] | Americas Tire [Member]
Segment Reporting Information [Line Items]
Net sales	13,684	14,823	25,859	31,293
Eliminations - Intercompany [Member] | International Tire [Member]
Segment Reporting Information [Line Items]
Net sales	24,421	31,263	45,035	57,203
Operating Segments [Member] | Americas Tire [Member]
Segment Reporting Information [Line Items]
Net sales	654,721	673,016	1,234,058	1,271,530
Operating Segments [Member] | International Tire [Member]
Segment Reporting Information [Line Items]
Net sales	123,678	124,851	226,905	231,953
Corporate [Member]
Segment Reporting Information [Line Items]
Operating Profit	$ (8,730)	$ (5,782)	$ (21,749)	$ (24,668)