Business Segments - Information on Operating Segments (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Net sales	$ 601,496	$ 643,025
Operating profit (loss):	26,454	57,995
Interest expense	(7,691)	(7,827)
Interest income	2,315	1,802
Other pension and postretirement benefit expense	(6,986)	(9,325)
Other non-operating expense	(1,658)	(235)
Income before income taxes	12,434	42,410
Americas Tire
Segment Reporting Information [Line Items]
Net sales	478,827	522,369
Operating profit (loss):	31,236	70,784
International Tire
Segment Reporting Information [Line Items]
Net sales	122,669	120,656
Operating profit (loss):	7,434	3,027
Eliminations - Intercompany
Segment Reporting Information [Line Items]
Net sales	(45,140)	(30,299)
Operating profit (loss):	(250)	(352)
Eliminations - Intercompany | Americas Tire
Segment Reporting Information [Line Items]
Net sales	6,565	8,991
Eliminations - Intercompany | International Tire
Segment Reporting Information [Line Items]
Net sales	38,575	21,308
Operating Segments | Americas Tire
Segment Reporting Information [Line Items]
Net sales	485,392	531,360
Operating Segments | International Tire
Segment Reporting Information [Line Items]
Net sales	161,244	141,964
Unallocated corporate charges
Segment Reporting Information [Line Items]
Operating profit (loss):	$ (11,966)	$ (15,464)