Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended	10 Months Ended	12 Months Ended
	Dec. 31, 2017	Jul. 31, 2018	Oct. 31, 2018	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Income Tax [Line Items]
Earnings before income taxes of domestic operations				$ 192,643	$ 181,840	$ 156,723
U.S. federal corporate income tax rate	35.00%		21.00%	23.34%	35.00%	35.00%
Provisional tax benefit due to revaluation of tax assets and liabilities at reduced corporate tax rate				$ 49,082
Provisional tax expense to reflect the transition tax on previously deferred foreign earnings				27,618
Decrease in income tax expense				$ 21,464
Payment of transition tax in installments, period				8 years
Lapse of statute of limitations		$ 1,041		$ 1,120	$ 555	$ 523
Discrete tax expense related to nondeductible acquisition costs					1,070
Additional tax benefit relating to retroactive reinstatement of research credit						2,200
Additional tax benefit related to dividends paid from foreign earnings tax credit						6,154
Favorable adjustment to unrecognized tax benefits						2,682
Earnings before income taxes of international operations				255,877	238,451	211,771
Undistributed earnings aggregated			$ 1,088,183	1,088,183	1,026,793
Total unrecognized tax benefits			2,891	2,891	3,781	3,336	$ 6,258
Total unrecognized tax benefits impact the effective tax rate			2,411	2,411	3,273
Accrued interest expense related to unrecognized tax benefits			538	538	623
Tax credit carryforwards			6,804	6,804
Capital loss carryforward			20,149	20,149
Indefinite carryforward period			13,842	13,842
Net change in the valuation allowance				(29)	6,587
Valuation allowance relates to tax credits and loss carryforwards			14,862	14,862
2019 through 2038 [Member]
Income Tax [Line Items]
Operating loss carryforwards			89,635	89,635
Federal [Member]
Income Tax [Line Items]
Operating loss carryforwards			2,751	2,751
State [Member]
Income Tax [Line Items]
Operating loss carryforwards			64,899	64,899
Foreign [Member]
Income Tax [Line Items]
Operating loss carryforwards			$ 15,678	15,678
New Accounting Guidance Adopted [Member]
Income Tax [Line Items]
Excess tax benefit from share based compensation , operating activities				$ 9,498
Excess tax benefit from share-based compensation, reclassification from financing activities to operating activities					$ 7,079	$ 3,476