Business Segments - Segment Financial Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Net sales	$ 655,827	$ 531,694
Operating profit (loss):	37,778	(6,228)
Interest expense	(5,130)	(5,007)
Interest income	699	1,696
Other pension and postretirement benefit expense	(2,846)	(4,210)
Other non-operating income	133	1,773
Income (Loss) before income taxes	30,634	(11,976)
Americas Tire
Segment Reporting Information [Line Items]
Net sales	554,300	449,486
International Tire
Segment Reporting Information [Line Items]
Net sales	101,527	82,207
Operating Segments | Americas Tire
Segment Reporting Information [Line Items]
Net sales	562,321	457,055
Operating profit (loss):	59,772	10,416
Operating Segments | International Tire
Segment Reporting Information [Line Items]
Net sales	139,369	102,387
Operating profit (loss):	3,207	(10,279)
Eliminations
Segment Reporting Information [Line Items]
Net sales	(45,863)	(27,748)
Operating profit (loss):	(2,169)	586
Eliminations | Americas Tire
Segment Reporting Information [Line Items]
Net sales	8,021	7,569
Eliminations | International Tire
Segment Reporting Information [Line Items]
Net sales	37,842	20,180
Corporation
Segment Reporting Information [Line Items]
Operating profit (loss):	$ (23,032)	$ (6,951)