Selected Quarterly Financial Data (Unaudited) (Schedule of Selected Quarterly Financial Data) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 467,997	$ 432,482	$ 412,317	$ 404,980	$ 411,852	$ 411,993	$ 384,041	$ 379,839	$ 1,717,776	$ 1,587,725	$ 1,445,136
Gross profit	279,552	280,590	268,499	262,929	263,857	268,274	254,179	240,498	1,091,570	1,026,808	924,010
Income before income taxes	34,875	94,383	87,821	79,456	61,091	91,264	78,940	80,976	296,534	312,271	275,452
Net income attributable to Cooper stockholders	30,787	88,067	79,160	71,843	57,397	88,951	75,136	74,667	269,856	296,151	248,339
Earnings per share attributable to Cooper stockholders - basic	$ 0.64	$ 1.83	$ 1.65	$ 1.50	$ 1.18	$ 1.82	$ 1.55	$ 1.54	$ 5.61	$ 6.09	$ 5.18
Earnings per share attributable to Cooper stockholders - diluted	$ 0.63	$ 1.80	$ 1.62	$ 1.47	$ 1.15	$ 1.79	$ 1.52	$ 1.50	$ 5.51	$ 5.96	$ 5.05
Gain (Loss) on Disposition of Business					$ 21,100				$ 0	$ 21,062	$ 0