Investments - JCP Funds - Narrative (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Feb. 28, 2013	Nov. 30, 2013	Nov. 30, 2015	Nov. 30, 2014
Schedule of Equity Method Investments [Line Items]
Total committed equity capitalization			$ 1,200,000,000
Unfunded portion of equity commitment to subsidiary			102,600,000
JCP Funds [Member]
Schedule of Equity Method Investments [Line Items]
Investment			29,700,000	$ 48,900,000
Gain (loss) from investment	$ (3,900,000)	$ 2,100,000	(24,300,000)	(10,300,000)
Total committed equity capitalization			85,000,000.0	$ 85,000,000.0
Unfunded portion of equity commitment to subsidiary			$ 11,800,000
Percent of financial information presented			100.00%
Ownership percentage			35.20%