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, 2016	Jul. 31, 2016	Apr. 30, 2016	Jan. 31, 2016	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 518,700	$ 514,700	$ 483,800	$ 449,600	$ 455,500	$ 461,700	$ 434,700	$ 445,200	$ 1,966,814	$ 1,797,060	$ 1,717,776
Gross profit	296,000	316,600	298,500	262,000	253,300	272,900	267,700	276,400	1,173,079	1,070,262	1,091,570
Income before income taxes	68,900	93,400	82,600	50,700	36,400	44,600	67,000	67,500	295,633	215,485	296,534
Net income attributable to Cooper stockholders	$ 60,500	$ 87,900	$ 74,100	$ 51,400	$ 36,700	$ 45,000	$ 60,700	$ 61,200	$ 273,917	$ 203,523	$ 269,856
Earnings per share attributable to Cooper stockholders - basic	$ 1.25	$ 1.81	$ 1.53	$ 1.06	$ 0.76	$ 0.92	$ 1.25	$ 1.27	$ 5.65	$ 4.20	$ 5.61
Earnings per share attributable to Cooper stockholders - diluted	$ 1.23	$ 1.79	$ 1.52	$ 1.05	$ 0.75	$ 0.91	$ 1.23	$ 1.25	$ 5.59	$ 4.14	$ 5.51