Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 61,137us-gaap_ProfitLoss	$ 79,636us-gaap_ProfitLoss	$ 122,886us-gaap_ProfitLoss	$ 151,901us-gaap_ProfitLoss
Other comprehensive income (loss):
Foreign currency translation adjustment	34,367	19,962	(79,251)	23,157
Change in value of derivative instruments, net of tax provision of $30 for the six months ended April 30, 2015, and $175 and $397 for the three and six months ended April 30, 2014, respectively	0	274	47	622
Change in minimum pension liability, net of tax	7	7	14	14
Other comprehensive income (loss)	34,374	20,243	(79,190)	23,793
Comprehensive income	95,511	99,879	43,696	175,694
Comprehensive income attributable to noncontrolling interests	(1,105)	(649)	(584)	(647)
Comprehensive income attributable to Cooper stockholders	$ 94,406us-gaap_ComprehensiveIncomeNetOfTax	$ 99,230us-gaap_ComprehensiveIncomeNetOfTax	$ 43,112us-gaap_ComprehensiveIncomeNetOfTax	$ 175,047us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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