Commitments and Contingencies Disclosure (Details) (USD $)	3 Months Ended		6 Months Ended		100 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Dec. 31, 2010
Commitments and Contingencies Disclosure (Textuals) [Abstract]
Minimum estimated sale of number of passenger, light truck, SUV, high performance, ultra high performance and radial medium truck tires by the Company in North America			30,000,000
Maximum estimated sale of number of passenger, light truck, SUV, high performance, ultra high performance and radial medium truck tires by the Company in North America			35,000,000
Estimated number of Cooper-produced tires of different specifications			300,000,000
Minimum costs of resolved cases					$ 0
Maximum costs of resolved cases					33,000,000
Increase in products liability reserve	20,475,000		38,125,000
Increase in products liability reserve due to self-insured incidents	10,321,000		20,470,000
Increase in products liability reserve due to changes in estimated amounts on existing reserves	8,494,000		14,215,000
Increase in products liability reserve due to revised estimates of future settlements for unasserted and premature claims	1,660,000		3,440,000
Company paid to resolve cases and claims	9,295,000		24,370,000
Products liability reserve balance	204,788,000		204,788,000		204,788,000	191,033,000
Current portion of products liability reserve balance	60,358,000		60,358,000		60,358,000	41,892,000
Products liability expenses	27,097,000	15,120,000	52,514,000	59,718,000
Recoveries of legal fees	$ 3,000	$ 5,569,000	$ 37,000	$ 5,575,000