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, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 411,852	$ 411,993	$ 384,041	$ 379,839	$ 396,301	$ 378,186	$ 344,589	$ 326,060	$ 1,587,725	$ 1,445,136	$ 1,330,835
Gross profit	263,857	268,274	254,179	240,498	252,764	240,097	220,696	210,453	1,026,808	924,010	804,804
Income before income taxes	61,091	91,264	78,940	80,976	82,639	71,387	62,679	58,747	312,271	275,452	192,764
Net income attributable to Cooper stockholders	57,397	88,951	75,136	74,667	71,920	66,875	54,921	54,623	296,151	248,339	175,430
Earnings per share attributable to Cooper stockholders - basic (in dollars per share)	$ 1.18	$ 1.82	$ 1.55	$ 1.54	$ 1.49	$ 1.39	$ 1.15	$ 1.15	$ 6.09	$ 5.18	$ 3.74
Earnings per share attributable to Cooper stockholders - diluted (in dollars per share)	$ 1.15	$ 1.79	$ 1.52	$ 1.50	$ 1.46	$ 1.36	$ 1.12	$ 1.12	$ 5.96	$ 5.05	$ 3.63
Gain (Loss) on Disposition of Business	$ 21,100								$ 21,062	$ 0	$ 0