Business Segments - Segment Financial Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Net sales	$ 496,259	$ 679,130	$ 1,027,953	$ 1,298,293
Operating profit (loss)	5,311	31,671	(917)	58,102
Interest expense	(6,507)	(7,810)	(11,514)	(16,123)
Interest income	650	1,999	2,346	5,379
Other pension and postretirement benefit expense	(5,582)	(9,288)	(9,792)	(18,650)
Other non-operating (expense) income	(397)	(1,463)	1,375	(84)
(Loss) Income before income taxes	(6,525)	15,109	(18,502)	28,624
Americas Tire
Segment Reporting Information [Line Items]
Net sales	422,653	570,537	872,139	1,075,295
International Tire
Segment Reporting Information [Line Items]
Net sales	73,606	108,593	155,814	222,999
Operating Segments | Americas Tire
Segment Reporting Information [Line Items]
Net sales	425,523	582,307	882,578	1,097,243
Operating profit (loss)	21,808	46,814	32,224	85,603
Operating Segments | International Tire
Segment Reporting Information [Line Items]
Net sales	100,924	138,514	203,312	282,299
Operating profit (loss)	1,447	(1,296)	(8,832)	(2,635)
Intercompany
Segment Reporting Information [Line Items]
Net sales	(30,188)	(41,691)	(57,937)	(81,249)
Operating profit (loss)	511	(569)	1,097	(1,136)
Intercompany | Americas Tire
Segment Reporting Information [Line Items]
Net sales	2,870	11,770	10,439	21,948
Intercompany | International Tire
Segment Reporting Information [Line Items]
Net sales	27,318	29,921	47,498	59,300
Corporation
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (18,455)	$ (13,278)	$ (25,406)	$ (23,730)