Selected Quarterly Financial Data (Unaudited) (Schedule of Selected Quarterly Financial Data) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 455,500	$ 461,700	$ 434,700	$ 445,200	$ 468,000	$ 432,500	$ 412,300	$ 405,000	$ 1,797,060	$ 1,717,776	$ 1,587,725
Gross profit	253,300	272,900	267,700	276,400	279,600	280,600	268,500	262,900	1,070,262	1,091,570	1,026,808
Income before income taxes	36,400	44,600	67,000	67,500	34,900	94,400	87,800	79,500	215,485	296,534	312,271
Net income attributable to Cooper stockholders	$ 36,700	$ 45,000	$ 60,700	$ 61,200	$ 30,800	$ 88,100	$ 79,200	$ 71,800	$ 203,523	$ 269,856	$ 296,151
Earnings per share attributable to Cooper stockholders - basic	$ 0.76	$ 0.92	$ 1.25	$ 1.27	$ 0.64	$ 1.83	$ 1.65	$ 1.50	$ 4.20	$ 5.61	$ 6.09
Earnings per share attributable to Cooper stockholders - diluted	$ 0.75	$ 0.91	$ 1.23	$ 1.25	$ 0.63	$ 1.80	$ 1.62	$ 1.47	$ 4.14	$ 5.51	$ 5.96
Gain (Loss) on Disposition of Business									$ 0	$ 0	$ 21,062