INCOME TAXES (Details 2)	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Federal statutory income tax rate	35.00%	35.00%	35.00%
State taxes, less applicable federal income tax reduction	2.40%	2.90%	3.10%
Net tax benefit on qualified research and development activities	(1.90%)	(1.20%)	(2.60%)
Net tax benefit on noncontrolling interests' share of income	(1.30%)	(1.00%)	(1.30%)
Net tax benefit on qualified domestic production activities	(1.20%)	(1.60%)	(1.20%)
Foreign taxes, where permanently reinvested outside of the U.S.	0.80%	0.00%	0.00%
Nontaxable reduction in accrued contingent consideration	(0.20%)	(3.40%)	(0.00%)
Net tax benefit on corporate owned life insurance policies	0.10%	(0.60%)	(1.40%)
Other, net	0.40%	(0.00%)	0.50%
Effective tax rate	31.70%	30.10%	31.10%