Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Feb. 28, 2013	Nov. 30, 2013	Nov. 30, 2015	Nov. 30, 2014
Income Tax Examination [Line Items]
Federal statutory income tax rate			35.00%
Unrecognized tax benefits that would impact effective tax rate in future			$ 71,900	$ 84,500
Net interest expense related to unrecognized tax benefits	$ 1,800	$ 5,800	2,200	7,700
Accrued interest on unrecognized tax benefits			32,800	30,600
Net deferred tax asset			326,935	413,069
United Kingdom and Japan loss carryforwards			74,400
Deferred tax asset related to net operating losses			14,985	17,830
Undistributed earnings of foreign subsidiaries			205,000	171,000
Deferred tax liability			59,000	$ 46,000
Unrecognized tax benefits			3,800
Leucadia [Member]
Income Tax Examination [Line Items]
Net current tax payable			109,500
Asia [Member]
Income Tax Examination [Line Items]
Deferred tax asset related to net operating losses			1,300
Europe [Member]
Income Tax Examination [Line Items]
Deferred tax asset related to net operating losses			$ 5,900