Business Segments - Segment Financial Information (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Net sales	$ 757,035	$ 733,843	$ 720,753	$ 643,025	$ 783,887	$ 750,913	$ 740,294	$ 649,775	$ 2,854,656	$ 2,924,869	$ 2,972,901
Operating Profit	46,844	101,377	74,832	48,670	105,138	78,228	109,916	91,104	271,724	384,387	354,480
Interest expense	(8,419)	(7,591)	(8,210)	(7,827)	(6,887)	(6,795)	(6,286)	(6,636)	(32,048)	(26,604)	(23,820)
Interest income	2,029	1,776	1,755	1,802	1,471	1,018	948	940	7,362	4,378	2,211
Other non-operating (expense) income	(1,645)	(978)	(255)	(235)	260	1,785	1,427	1,462	(3,113)	4,932	1,157
Income before income taxes	38,809	94,584	68,122	42,410	99,982	74,236	106,005	86,870	243,925	367,093	334,028
Depreciation and amortization expense									140,228	130,257	121,408
Segment assets	2,607,735				2,619,395				2,607,735	2,619,395	2,436,176
Expenditures for long-lived assets									197,186	175,437	182,544
Americas Tire
Segment Reporting Information [Line Items]
Net sales									2,376,808	2,549,743	2,627,619
International Tire
Segment Reporting Information [Line Items]
Net sales									477,848	375,126	345,282
Operating Segments | Americas Tire
Segment Reporting Information [Line Items]
Net sales	644,639	625,423	615,356	531,360	693,624	672,641	654,721	579,338	2,416,778	2,600,323	2,684,754
Operating Profit	60,742	117,465	83,293	63,193	116,273	101,522	116,093	106,052	324,693	439,941	422,929
Depreciation and amortization expense									91,324	85,842	92,377
Segment assets	1,462,757				1,438,802				1,462,757	1,438,802	1,386,361
Expenditures for long-lived assets									109,175	112,975	145,813
Operating Segments | International Tire
Segment Reporting Information [Line Items]
Net sales	162,189	163,345	151,370	141,964	124,310	112,789	123,678	103,226	618,869	464,003	451,879
Operating Profit	5,938	591	1,274	1,653	1,353	3,265	3,152	(1,772)	9,457	5,998	(19,133)
Depreciation and amortization expense									33,303	30,470	28,577
Segment assets	690,572				547,178				690,572	547,178	414,051
Expenditures for long-lived assets									89,008	60,359	33,839
Intercompany
Segment Reporting Information [Line Items]
Net sales	(49,793)	(54,925)	(45,973)	(30,299)	(34,047)	(34,517)	(38,105)	(32,789)	(180,991)	(139,457)	(163,732)
Operating Profit	(414)	(887)	(174)	(352)	(370)	(117)	(599)	(157)	(1,827)	(1,244)	3,026
Intercompany | Americas Tire
Segment Reporting Information [Line Items]
Net sales									39,970	50,580	57,135
Intercompany | International Tire
Segment Reporting Information [Line Items]
Net sales									141,021	88,877	106,597
Corporate
Segment Reporting Information [Line Items]
Operating Profit	(19,422)	$ (15,792)	$ (9,561)	$ (15,824)	(12,118)	$ (26,442)	$ (8,730)	$ (13,019)	(60,599)	(60,308)	(52,342)
Depreciation and amortization expense									15,601	13,945	454
Segment assets	$ 454,406				$ 633,415				454,406	633,415	635,764
Expenditures for long-lived assets									$ (997)	$ 2,103	$ 2,892